Tag Archives: roller ball bearing

China Good quality Bearing Ball Roller Bearings Real MB China High Quality Spherical Roller Bearing 23034MB bearing assembly

Product Description

Bearing Ball roller bearings China high quality spherical roller bearing 23034MB

Spherical roller bearing parameters:
 

Model NO. 23034MB
Inside Ø (mm): 50
Outside Ø (mm): 90
Width (mm): 23
Tolerance for inside-Ø (mm): 0/-0,012
Tolerance for outside-Ø (mm): 0/-0,015
Tolerance for width (mm): 0/-0,12
Ring Material: Chrome Steel
Rolling Element Material: Chrome Steel
Cage Material: Sheet Steel
Magnetic: yes

Specification:
 

Bearing No. Dimensions(mm) Weight
  d D T kg
22208CA/C3W33 40 80 23 0.54
22209CA/C3W33 45 85 23 0.58
22210CA/C3W33 50 90 23 0.62
22211CA/C3W33 55 100 25 0.84
22212CA/C3W33 60 110 28 1.2
22213CA/C3W33 65 120 31 1.6
22214CA/C3W33 70 125 31 1.7
22215CA/C3W33 75 130 31 1.8
22216CA/C3W33 80 140 33 2.2
22217CA/C3W33 85 150 36 2.7
22218CA/C3W33 90 160 40 3.28
22219CA/C3W33 95 170 43 4.1
22220CA/C3W33 100 180 46 5
22222CA/C3W33 110 200 53 7.2
22224CA/C3W33 120 215 58 8.9
22226CA/C3W33 130 230 64 11.2
22228CA/C3W33 140 250 68 14.5
22230CA/C3W33 150 270 73 18.6
22308CA/C3W33 40 90 33 1
22309CA/C3W33 45 100 36 1.38
22310CA/C3W33 50 110 40 1.85
22311CA/C3W33 55 120 43 2.35
22312CA/C3W33 60 130 46 2.95
22313CA/C3W33 65 140 48 3.55
22314CA/C3W33 70 150 51 4.4
22315CA/C3W33 75 160 55 5.25
22316CA/C3W33 80 170 58 6.39
22317CA/C3W33 85 180 60 7.25
22318CA/C3W33 90 190 64 8.6
22319CA/C3W33 95 200 67 10.1
22320CA/C3W33 100 215 73 13.4
22322CA/C3W33 110 240 80 18
22324CA/C3W33 120 260 86 22
22326CA/C3W33 130 280 93 28.5

 

Bearing No. Dimensions(mm) Weight
  d D T KG
21306CA/C3W33 30 72 19 0.412
21307CA/C3W33 35 80 21 0.542
21308CA/C3W33 40 90 23 0.743
21309CA/C3W33 45 100 25 1
21310CA/C3W33 50 110 27 1.3
21311CA/C3W33 55 120 29 1.65
21312CA/C3W33 60 130 31 2.08
21313CA/C3W33 65 140 33 2.57
21314CA/C3W33 70 150 35 3.11
21315CA/C3W33 75 160 37 3.76
21316CA/C3W33 80 170 39 4.47
21322CA/C3W33 110 240 50 11.8
23571CA/C3W33 120 180 46 3.98
23026CA/C3W33 130 200 52 5.85
23571CA/C3W33 140 210 53 6.31
23030CA/C3W33 150 225 56 7.74
23032CA/C3W33 160 240 60 9.43
23034CA/C3W33 170 260 67 12.8
23036CA/C3W33 180 280 74 16.9
23038CA/C3W33 190 290 75 17.7
23040CA/C3W33 200 310 82 22.7
23044CA/C3W33 220 340 90 29.7
23048CA/C3W33 240 360 92 32.4
24571CA/C3W33 120 180 60 5.05
24026CA/C3W33 130 200 69 7.55
24571CA/C3W33 140 210 69 8.01
24030CA/C3W33 150 225 75 10.1
24032CA/C3W33 160 240 80 12.2
24034CA/C3W33 170 260 90 16.7
24036CA/C3W33 180 280 100 22.1
24038CA/C3W33 190 290 100 23
24040CA/C3W33 200 310 109 29.3
24044CA/C3W33 220 340 118 38.1
24048CA/C3W33 240 360 118 40.8

Roller bearing testing

Spherical roller bearings have 2 rows of symmetrical rollers, a common sphered outer ring raceway and 2 inner ring raceways inclined at an angle to the bearing axis. The centre point of the sphere in the outer ring raceway is at the bearing axis.

1. Accommodate misalignment
Spherical roller bearings are self-aligning like self-aligning ball bearings or CARB bearings.
2. High load carrying capacity
Spherical roller bearings are designed to accommodate both heavy radial loads and axial loads in both directions.
3. Long service life
4. Low friction
Self-guiding rollers keep friction and frictional heat at low levels. A floating CZPT ring guides unloaded rollers so that they enter the load zone in the optimal position.
Robust.

Application fields: The main application fields are CZPT machinery, textile machinery, washing machinery, construction machinery, industrial deceleration machinery, woodworking machinery, paper making machinery, mining machinery, coal mining machinery, lifting machinery, engineering machinery, large transport equipment, chemical machinery, petroleum machinery, metallurgy industry, large steel mills, cement plants, energy industry, etc

Our packing:
* Industrial pakage+outer carton+pallets
* sigle box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirments

More information, PLS contact us directly~

 

Rolling Element Material: Chrome Steel
Sample: Available
Stock: Rich
Lubrication: Greasable
Precision: P0, P5, P6, P4
Load Port: Qingdao China
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?

Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:

  • Material Composition:

Ceramic Ball Bearings:

Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.

Traditional Steel Ball Bearings:

Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.

  • Friction and Heat:

Ceramic Ball Bearings:

Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.

Traditional Steel Ball Bearings:

Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.

  • Weight:

Ceramic Ball Bearings:

Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.

Traditional Steel Ball Bearings:

Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.

  • Corrosion Resistance:

Ceramic Ball Bearings:

Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.

Traditional Steel Ball Bearings:

Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.

  • Speed and Precision:

Ceramic Ball Bearings:

Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.

Traditional Steel Ball Bearings:

Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.

  • Cost:

Ceramic Ball Bearings:

Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.

Traditional Steel Ball Bearings:

Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.

In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China Good quality Bearing Ball Roller Bearings Real MB China High Quality Spherical Roller Bearing 23034MB   bearing assemblyChina Good quality Bearing Ball Roller Bearings Real MB China High Quality Spherical Roller Bearing 23034MB   bearing assembly
editor by CX 2023-11-18

China Good quality High Quality Cylindrical Roller Bearings Hot Sale Size double row ball bearing

Product Description

 

Product Description

 

 

 

Product application

 

Certifications

 

Packaging & Shipping

FAQ

 

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibility when defective product is found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.
Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we are CZPT to customize housings in different styles, and sizes in different brands, we also customize circuit board & packaging box as per your requirements.
Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
Q:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers

 

 

 

Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Rotations: Smoothy
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bearing

Choosing the Right Ball Bearing for Your Application

When choosing a Ball Bearing, there are several things to consider. These factors include: the size, lubricant type, presence of corrosive agents, stray electrical currents, and more. It can be challenging to choose the right type, size, and type of ball bearing for your application. You should also carefully calculate the loads to determine the right size. Here are some tips for choosing the right Ball Bearing for your application.

Single-row

The single-row ball bearing is one of the most popular types of bearings. The inner and outer ring are designed with raceway grooves that are shaped slightly larger than the balls. This type of bearing has a low torque and can handle high-speed applications with minimal power loss. The radial dimensions of single-row ball bearings also vary, so it is possible to find one that fits your specific application. Besides the above-mentioned advantages, single-row ball bearings are also available with varying grease levels and are widely applicable to applications where the space is limited.
Single-row ball bearings are also called angular-contact ball bearings. Because of their single-row design, they are not separable and can accommodate a high-speed, heavy-duty application. Single-row angular-contact ball bearings can only handle axial load in one direction, and they must be installed in pairs for pure radial loads. Single-row ball bearings are a popular type of rolling bearings and can be used for a wide range of applications.

Self-aligning

The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile company in Sweden. While he was responsible for making production as efficient as possible, he soon realized that the machinery he had in place wasn’t working as efficiently as it could. Although ball bearings are great for reducing friction, they were not flexible enough to compensate for misalignments in the machine.
Self-aligning ball bearings have two rows of balls and a common sphered raceway. The inner ring is curved and combines the two rows of balls into one cage. These bearings can tolerate shaft misalignment and compensate for static angular defects. They can be used in simple woodworking machinery, ventilators, and conveying equipment. They are often the preferred choice for applications where shaft alignment is an issue.

Ceramic

A Ceramic ball bearing is a type of high-performance bearing that is available in both full-ceramic and hybrid forms. The main differences between ceramic and steel ball bearings are their construction, lubrication, and mobility. High-quality ceramic ball bearings are durable, and they are ideal for corrosive and high-temperature applications. The material used to create these bearings helps prevent electrolytic corrosion. They are also ideal for reducing the friction and lubrication requirements.
Ceramic balls are harder and less brittle than steel balls, which gives them a higher degree of rigidity. Ceramics also have a higher hardness, with a hardness of Rc75-80 compared to Rc58-64 for steel balls. Their high compressive strength is approximately 5 to 7 times greater than steel. In addition, they have a very low coefficient of friction, which allows them to spin at higher speeds and with less friction. This increases their lifespan and durability, and decreases the energy needed to turn cranks.

Steel

Unlike traditional bearings, steel balls have a relatively uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. According to the American Iron and Steel Institute, copper content must be no more than 0.40% and manganese content should not be more than 1.65 g/cm3. After carbonizing, steel balls undergo a process called sizing, which improves their roundness geometry and hardness.
The main differences between steel ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are made from zirconium dioxide or silicon nitride. Silicon nitride is harder than steel and resists shocks. The result is increased speed and longer service life. Polyoxymethylene acetal (PMMA) bearing balls are known for their stiffness, strength, and tolerance, but are not as common as steel ball bearings.

Plastic

The most popular types of plastic ball bearings are made of polypropylene or PTFE. These bearings are used in applications requiring higher chemical resistance. Polypropylene is a structural polymer that offers excellent physical and chemical properties, including excellent resistance to organic solvents and degreasing agents. Its lightweight, low moisture absorption rate, and good heat resistance make it an excellent choice for high-temperature applications. However, plastic bearings are not without their drawbacks, especially when operating at very high temperatures or under heavy loads.
Compared to metal bearings, plastic ball-bearings do not require lubrication. They also are highly corrosion-resistant, making them an excellent choice for wash-down applications. They are also post-, autoclave-, and gamma sterilizable. Many conventional steel ball-bearings cannot handle the high temperatures of food processing or swimming pools. In addition to high temperature applications, plastic ball bearings are resistant to chemicals, including chlorine.
bearing

Glass

Plastic sliding bearings are molded bearings made of engineering plastic. With self-lubricating modification technology, these bearings can be produced by injection molding of plastic beads. They are widely used in various industries such as office equipment, fitness and automotive equipment. In addition to plastic bearings, glass balls are used in a variety of other applications, including medical equipment. Glass ball bearings have excellent corrosion resistance, excellent mechanical properties, and are electrically insulators.
Plastic ball bearings are made of all-plastic races and cages. These bearings are suitable for applications that are exposed to acids and alkalis. Because they are cheaper than glass balls, plastic ball bearings are popular in chemical-exposed environments. Stainless steel balls are also resistant to heat and corrosion. But the main disadvantage of plastic ball bearings is that they are not as strong as glass balls. So, if weight and noise is your main concern, consider using plastic balls instead.

Miniature

The global miniature ball bearing market is expected to reach US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the region is attributed to technological advancement and government initiatives. Countries such as India and China are attracting FDIs and emphasizing the establishment of a global manufacturing hub. This is boosting the market for miniature ball bearings. The miniscule ball bearings are manufactured in small quantities and are very small.
Some manufacturers produce miniature ball bearings in different materials and designs. Chrome steel is the most popular material for miniature ball bearings because of its high load capacity, low noise properties, and lower cost. But the cost of stainless steel miniature bearings is low, since the amount of steel used is minimal. Stainless steel miniature bearings are the smallest in size. Therefore, you can choose stainless steel mini ball bearings for high-speed applications.

Angular-contact

Angular-contact ball bearings have three components: a cage, inner ring, and balls. Angular-contact ball bearings can support high axial and radial loads. Various design and manufacturing attributes make angular-contact ball bearings suitable for a variety of applications. Some features of this bearing type include a special lubricant, different cage materials, and different coatings.
The size of an angular-contact ball bearing is determined by the design units: outer ring width, axial load, and radial load. Depending on the type of application, an angular-contact ball bearing may be manufactured in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be classified according to their design units, which range from metric to imperial. A higher ABEC number means tighter tolerances. To determine the tolerance equivalent of a particular bearing, consult a standard Angular-contact ball bearing table.
Angular-contact ball bearings feature high and low-shoulder configurations. They have two-dimensional races that accommodate axial and radial loads. They are available in self-retaining units with solid inner and outer rings, and ball and cage assemblies. Cages made of cast and wrought brass are the most popular, but lightweight phenolic cages are also available. The latter is a better choice because it doesn’t absorb oil and has lower rolling friction.
bearing

Materials

When it comes to the construction of a ball bearing, high-quality raw materials are a crucial component. These materials not only affect the overall quality of a ball bearing, but also influence the cost. That’s why you should pay close attention to raw material quality. In addition to that, raw materials should be tested several times before the manufacturing process to ensure quality. Read on for some information about the different types of materials used to make ball bearings.
Steel is the most common material for ball bearings. Most ball bearings contain stainless steel balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. However, stainless steel balls are heavier than plastic ones, and they are also magnetic, which may be a drawback in some applications. If you’re looking for a metal-free option, glass balls are the way to go. They’re sturdy, lightweight, and resistant to a wide range of chemicals.

China Good quality High Quality Cylindrical Roller Bearings Hot Sale Size   double row ball bearingChina Good quality High Quality Cylindrical Roller Bearings Hot Sale Size   double row ball bearing
editor by CX 2023-11-15

China Hot selling Motorcycles Parts Thrust Ball and Roller Bearing 51204 5120551207 51208 5120951210 51108 51109 51110 (81210 81209 81207 81205 81207 81217 51119) carrier bearing

Product Description

Product Description

China thrust bearing manufacturer CZPT 51100 51110 51115 51119 thrust ball bearing
81100 81102 29344 29334E W33 spherical thrust roller bearing 

 

A Wide Range Applications Of Bearing:

• agriculture and forestry equipment
• automotive and industrial gearboxes
• automotive and truck electric components, such as alternators
• electric motors
• fluid machinery
• material handling
• power tools and household appliances
• textile machinery
• two Wheeler.

 

Our Bearing Advantage:

1.Free Sample bearing

2.ISO Standard

3.Bearing Small order accepted

4.In Stock bearing

5.OEM bearing service

6.Professional:16 years manufacture bearing

7.Customized bearing, Customer’s bearing drawing or samples accepted

8.Competitive price bearing

9.TT Payment or Western Union or Trade Assurance Order

Products detail

 

 

Thrust ball bearing modles

51 series
51100
  51102  51103  51104  51105  51106  51107  51108  51109  51110  51111  51112  51113  51114  51115  51116 
51117  51118  51120  51122  51124  51126  51128  51130  51132  51134  51136  51138  51140  51144  51148  51152 
51156  51160  51164  51168  51172  51176  51180  51184  51188  51200  51201  51202  51203  51204  51205  51206 
51207  51208  51209  51210  51211  51212  51213  51214  51215  51216  51217  51218  51220  51222  51224  51226 
51228  51230  51232  51234  51236  51238  51240  51244  51248  51252  51256  51260  51264  51268  51272  51276  
51280  51292  51304  51305  51306  51307  51308  51309  51310  51311  51312  51313  51314  51315  51316  51317 
51318  51320  51322  51324  51326  51328  51330  51332  51334  51336  51338  51340  51348  51405  51406  51407 
51408  51409  51410  51411  51412  51413   51414  51415  51416  51417  51418  51420  51422  51424  51426  51428 
51430  51432  51434  51436

52 series
52202  52203  52204  52205  52206  52207  52208  52209  52210  52211  52212  52213  52214  52215  52216  52217  
52218  52220  52222  52224  52226  52228  52230  52232  52234  52236  52238  52240  52305  52306  52307  52308
52309  52310  52311  52312  52313  52314  52315  52316  52317  52318  52320  52322  52324  52326  52328  52330  
52332  52334  52336  52338  52340  52405  52406  52407  52408  52409  52410  52411  52412  52413  52414  52415
52416  52417  52418  52420

53 series
53201  53202  53203  53204  53205  53206  53207  53208  53209  53210  53211 53212  53213  53214  53215  53216  
53217  53218  53220  53222  53224  53226 53228  53230  53232  53234  53236  53238  53240  53305  53306  53307  53308  53309  53310  53311  53312  53313  53314  53315  53316  53317  53318  53320  53322  53324  53326  53328  
53330  53332  53405  53406  53407  53408  53409  53410  53411  53412  53413  53414  53415  53416  53417  53418
53420  53422  53424  53426  53428 

54 series
54202  54204  54205  54206  54207  54208  54209  54210  54211  54212  54213  54214  54215  54216  54217  54218
54220  54222  54224  54226  54228  54230  54232  54234  54236  54238  54240  54244  54305  54306  54307  54308
54309  54310  54311  54312  54313  54314  54315  54316  54317  54318  54320  54322  54324  54405  54406  54407
54408  54409  54410  54411  54412  54413  54414  54415  54416  54417  54418  54420

Thrust roller bearing modles

81102 81103 81104 81105 81106 81107 81108 81109 81110 81111 81112 81113 81114 81115 81116 81117 81118 81120 81122 
81124 81126 81128 81130 81132 81134 81136M 81138M 81140M 81144M 81148M 81152M 81156M 81160M 81164M 81168M 
81172M 81176M 81180M 81184M 81188M 81192M 81196M 811/500M 811/530M 811/560M 811/600M 811/630M
81206 81207 81208 81209 81210 81211 81212 81213 81214 81215 81216 81217 81218 81220 81222 81224 81226 81228M 
81230M 81232M 81234M 81236M 81238M 81240M 81244M 81248M 81252M 81256M 81260M 81264M 81268M 81272M 
81276M 81280M 81284M 81288M 81292M 81296M 812/500M 812/530M 812/560M 812/600M 812/630M 812/670M
812/710M 812/750M 812/800M 812/850M 812/900M 812/950M 812/1000M

Certificate

ISO: 9001
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Thrust Bearing
Material: Bearing Steel
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

  • Reduced Friction:

One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

  • Efficient Load Support:

Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

  • Smooth Rotation:

Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

  • High-Speed Capability:

Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

  • Reduced Wear and Maintenance:

The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

  • Energy Efficiency:

By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

  • Versatility:

Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

  • Reliability and Longevity:

Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

  • Quiet Operation:

Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

China Hot selling Motorcycles Parts Thrust Ball and Roller Bearing 51204 5120551207 51208 5120951210 51108 51109 51110 (81210 81209 81207 81205 81207 81217 51119)   carrier bearingChina Hot selling Motorcycles Parts Thrust Ball and Roller Bearing 51204 5120551207 51208 5120951210 51108 51109 51110 (81210 81209 81207 81205 81207 81217 51119)   carrier bearing
editor by CX 2023-11-13

China supplier Crossed Roller Guide Rail Cage Ball Bar Roller Needle Row Ball Row Bearing Strip V6 Series Spark Machine Wire Drawingvr6-7zvr6-10zvr6-13zvr6-17zvr6-20 bearing and race

Product Description

 Our factory specializes in the production of tapered roller bearings, deep groove ball bearings, spherical roller bearings, slewing bearing bearings with high quality and low price, factory direct sales delivery, eliminating the middleman to earn the difference, the lowest price, the best quality, the best service!

 

More details of CZPT tapered roller bearings

 

 

Hyundai Excavator Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
R110-7   81N3-57122 BG R250/260  81EN- R320LC-7    81n9-57122 BG
R210W-9S 81Q5-57120 R320LC-7    81N9-00571
R210W-9S 81Q5-57121 R360/380 81NA-57120
R220LC-9S 81Q6-0571 R360LC-7A 81NA-57121BG
R220LC-9S 81Q6-57120 R450/500 81NB-57121
R220LC-9S 81Q6-57121 R450-7A    81NB-57122BG
R220LC-9S 81Q6-00571 R520LC-9S   81QB-57120
R225-7   81qb-57121 ZX850-3  HH2036267

 

 

Packing&Delivery

jieerThe production of YRT rotary table bearings, YRT standard series, YRTS high-speed series and ZKLDF thrust angle contact ball series all have high rotational accuracy, can withstand radial loads, bi-directional axial loads and overturning moments, suitable for high-precision and combined load occasions such as rotary tables, flower discs, milling heads and reversible clamps. Bearing rings have mounting holes for easy installation. Axial and radial preload after installation ensure high precision and rigidity. The size series is complete, which is used for rational use of different sizes of rotary tables; the shape and installation size of different series of rotary table bearings are the same, which is suitable for selecting suitable series according to different environmental requirements. Commonly used types such as YRT50 turntable bearings, YRT80 rotary table bearings, YRT100 rotary table bearings, YRT120 rotary table bearings, YRT150 rotary table bearings, YRT180 rotary table bearings, YRT200 rotary table bearings, YRT260 rotary table bearings, YRT325 rotary table bearings, YRT395 rotary table bearings, YRT460 rotary table bearings, YRT580 rotary table bearings, YRT650 rotary table bearings, YRT950 rotary table bearings, YRT1030 rotary table bearings, YRT1200 rotary table bearings, etcPacking

AOur workshop. plastic box+outer carton+pallets

Packing

A. plastic box+outer carton+pallets
B. plastic bag+box+carton+pallet
C. tube package+middle box+carton+pallet
D. Of course we will also be based on your needs

Delivery

1.Most orders will be shipped within 3-5 days of payment being received.
2.Samples will be shipped by courier as FedEx,UPS,DHL,etc.
3.More than 3000 set bearings, it is recommended to be shipped by sea (sea transportation).

 

apply
Motors, household appliances, agricultural machinery, construction machinery, construction machinery, skates, paper machinery, reduction gears, railway vehicles, crushers, printing machinery, woodworking machinery, automobiles, metallurgy, rolling mills, mines, automation equipment, robot rocker arms, fully automatic mechanical equipment

One. Our main products
Our products cover deep groove ball bearings, tapered roller bearings, cylindrical roller bearings,spherical roller bearing, pillow block bearing, angular contact ball bearing, self-aligning ball bearing, thrust ball bearing, thrust roller bearing, needle roller bearing, spherical plain bearing and so on, large, super large and non-standard bearings. In addition to the above, we offer customized high-tech bearings for free design according to drawings and samples from the clients’ side.

Two. Our team
Teamwork helps the company prosper. Combining the knowledge of all colleagues,Two. Our team
Teamwork helps the company prosper. Combining the knowledge of all colleagues,the companies possess high work efficiency and an ability to deal with whatever problems. As a result, the companies can make more profits and develop more quickly.
In sum, teamwork is very important, no 1 could live individually, they must rely on others in some way. Hence, work together could make life easier.

Three.FAQ
Frequently Asked Questions
Q: Are you a trading company or a manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

Four.ApplicationsApplications
1. machine tools,metallurgical machinery,
2. textile machinery,printing machinery,
3.other machinery,equipment,Can make the mechanical 
4. system design very compact and nimble

Five. Contact Information.
We are professionally doing bearings,
China Bearing, you see what kind of model you need can contact me,

Features and Applications: Compact Structure, Reliable Guidance, Simple Insta
Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Large (200-430mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings

ball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

ball bearing

How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

  • Lubrication:

Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

  • Material Properties:

Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

  • Clearance Changes:

Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

  • Corrosion and Contamination:

Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

  • Thermal Stress:

Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

  • Noise and Vibration:

Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

  • Lubricant Degradation:

Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

  • Seal Effectiveness:

Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

  • Choosing Appropriate Bearings:

When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China supplier Crossed Roller Guide Rail Cage Ball Bar Roller Needle Row Ball Row Bearing Strip V6 Series Spark Machine Wire Drawingvr6-7zvr6-10zvr6-13zvr6-17zvr6-20   bearing and raceChina supplier Crossed Roller Guide Rail Cage Ball Bar Roller Needle Row Ball Row Bearing Strip V6 Series Spark Machine Wire Drawingvr6-7zvr6-10zvr6-13zvr6-17zvr6-20   bearing and race
editor by CX 2023-11-09

China Best Sales 6212 Deep Groove Ball Bearings Factory Price Tapered Roller Bearing bearing distributors

Product Description

Product Description

 Original Brand Bearing Tapered Roller Bearing Deep Groove Ball Bearing Wheel Hub Bearing Cylindrical Roller Bearing for Auto Parts

I. PRODUCT INFO.

HQA BEARING offers the most extensive line of tapered roller bearings in the world. Tapered roller bearings consist of 4 interdependent components: the cone (inner ring), the cup (outer ring), the tapered rollers (rolling elements) and the cage (roller retainer). Tapered roller bearings are uniquely designed to manage both thrust and radial loads between a rotating and non-rotating member. The steeper the cup angle, the greater the ability of the bearing to handle thrust loads.

Size:          5-600 mm
Material:      Grc15 Chrome Steel
Lubrication:   Grease Oil
Cage:          Steel,Brass, Nylon
Roller Type:   Ball, roller 
Used machinery,automotive, rolling mill, mining, metallurgical, plastic machinery, Industry

Detailed Photos

 


6571 deep groove ball bearings applications :


Industries:

Aerospace, agriculture, automotive, heavy truck, cement, aggregate, coal, oil and gas, construction, gear drives, machine tools, mining, paper, metals, rail and wind.

Benefits:
Enhanced performance in demanding applications.
 

II. We also produce and supply 

Company Profile

 

Product Parameters

 

TECHNICAL PARAMETERS

 

Trade Terms: 

FOB

 

Service:

OEM

CIF

ODM

 

Precision Grade:

P0(ABEC-1),

P6(ABEC3),

P5(ABEC5),

P4(ABEC-7)

P2(ABEC-9)

 

Payment Terms:

Paypal, T/T,L/C, Western Union,alipay, Trade Assurance,and ect.

Taper Roller Bearings Use:

Taper roller bearings are widely used in automotive, mill, mining, metallurgy, plastics machinery and other industries.

Shipping:

By sea, by air, by express delivery

Structure:

Single row/ Double row / Four row

Website:

chikbearing

60  Series  Deep  Groove  Ball  bearings   Technical   Paramrter
Bearing NO. d/mm D/mm B/mm   Bearing NO.
d D B rsmin
604 4 12 4 0.2 604
605 5 14 5 0.2 605
606 6 17 6 0.3 606
607 7 19 6 0.3 607
608 8 22 7 0.3 608
609 9 24 7 0.3 609
6000 10 26 8 0.3 6000
6001 12 28 8 0.3 6001
6002 15 32 9 0.3 6002
6003 17 35 10 0.3 6003
6004 20 42 12 0.6 6004
60/22 22 44 12 0.6 60/22
6005 25 47 12 0.6 6005
60/28 28 52 12 0.6 60/28
6006 30 55 13 1 6006
60/32 32 58 13 1 60/32
6007 35 62 14 1 6007
6008 40 68 15 1 6008
6009 45 75 16 1 6009
6571 50 80 16 1 6571
6011 55 90 18 1.1 6011
6012 60 95 18 1.1 6012
6013 65 100 18 1.1 6013
6014 70 110 20 1.1 6014
6015 75 115 20 1.1 6015
6016 80 125 22 1.1 6016
6017 85 130 22 1.1 6017
6018 90 140 24 1.5 6018
6019 95 145 24 1.5 6019
6571 100 150 24 1.5 6571
6571 105 160 26 2 6571
6571 110 170 28 2 6571
6571 120 180 28 2 6571
6026 130 200 33 2 6026
6571 140 210 33 2 6571
6030 150 225 35 2.1 6030
6032 160 240 38 2.1 6032
6034 170 260 42 2.1 6034
6036 180 280 46 2.1 6036
6038 190 290 46 2.1 6038
6040 200 310 51 2.1 6040
6044 220 340 56 3 6044
6048 240 360 56 3 6048
6052 260 400 65 4 6052
6056 280 420 65 4 6056
6060 300 460 74 4 6060
6064 320 480 74 4 6064
6068 340 520 82 5 6068
6072 360 540 82 5 6072
6076 380 560 82 5 6076
6080 400 600 90 5 6080
6084 420 620 90 5 6084
6088 440 650 94 6 6088
6092 460 680 100 6 6092
6096 480 700 100 6 6096
60/500 500 720 100 6 60/500
           
 
62  Series  Deep  Groove  Ball  bearings   Technical   Paramrter
Bearing NO.         Bearing NO.
d D B rsmin
623 3 10 4 0.15 623
624 4 13 5 0.2 624
625 5 16 5 0.3 625
626 6 19 6 0.3 626
627 7 22 7 0.3 627
628 8 24 8 0.3 628
629 9 26 8 0.3 629
6200 10 30 9 0.6 6200
6201 12 32 10 0.6 6201
6202 15 35 11 0.6 6202
6203 17 40 12 0.6 6203
6204 20 47 14 1 6204
62/22 22 50 14 1 62/22
6205 25 52 15 1 6205
62/28 28 58 16 1 62/28
6206 30 62 16 1 6206
62/32 32 65 17 1 62/32
6207 35 72 17 1.1 6207
6208 40 80 18 1.1 6208
6209 45 85 19 1.1 6209
6210 50 90 20 1.1 6210
6211 55 100 21 1.5 6211
6212 60 110 22 1.5 6212
6213 65 120 23 1.5 6213
6214 70 125 24 1.5 6214
6215 75 130 25 1.5 6215
6216 80 140 26 2 6216
6217 85 150 28 2 6217
6218 90 160 30 2 6218
6219 95 170 32 2.1 6219
6220 100 180 34 2.1 6220
6221 105 190 36 2.1 6221
6222 110 200 38 2.1 6222
6224 120 215 40 2.1 6224
6226 130 230 40 3 6226
6228 140 250 42 3 6228
6230 150 270 45 3 6230
6232 160 290 48 3 6232
6234 170 310 52 4 6234
6236 180 320 52 4 6236
6238 190 340 55 4 6238
6240 200 360 58 4 6240
6244 220 400 65 4 6244
6248 240 440 72 4 6248
6252 260 480 80 5 6252
           
 
63  Series  Deep  Groove  Ball  bearings   Technical   Paramrter
Bearing NO.         Bearing NO.
d D B rsmin
633 3 13 5 0.2 633
634 4 16 5 0.3 634
635 5 19 6 0.3 635
6300 10 35 11 0.6 6300
6301 12 37 12 1 6301
6302 15 42 13 1 6302
6303 17 47 14 1 6303
6304 20 52 15 1.1 6304
63/22 22 56 16 1.1 63/22
6305 25 62 17 1.1 6305
63/28 28 68 18 1.1 63/28
6306 30 72 19 1.1 6306
63/32 32 75 20 1.1 63/32
6307 35 80 21 1.5 6307
6308 40 90 23 1.5 6308
6309 45 100 25 1.5 6309
6310 50 110 27 2 6310
6311 55 120 29 2 6311
6312 60 130 31 2.1 6312
6313 65 140 33 2.1 6313
6314 70 150 35 2.1 6314
6315 75 160 37 2.1 6315
6316 80 170 39 2.1 6316
6317 85 180 41 3 6317
6318 90 190 43 3 6318
6319 95 200 45 3 6319
6320 100 215 47 3 6320
6321 105 225 49 3 6321
6322 110 240 50 3 6322
6324 120 260 55 3 6324
6326 130 280 58 4 6326
6328 140 300 62 4 6328
6330 150 320 65 4 6330
6332 160 340 68 4 6332
6334 170 360 72 4 6334

 

Packaging & Shipping

 

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: 24 Hours Service Online
Warranty: 12 Month
Type: Deep Groove Ball Bearing
Samples:
US$ 0.01/Set
1 Set(Min.Order)

|

Order Sample

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature ball bearing

    How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

    Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

    • Lubrication:

    Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

    • Material Properties:

    Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

    • Clearance Changes:

    Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

    • Corrosion and Contamination:

    Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

    • Thermal Stress:

    Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

    • Noise and Vibration:

    Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

    • Lubricant Degradation:

    Environmental factors like humidity, dust, and contaminants can lead to premature lubricantball bearing

    What are the Challenges Associated with Noise Reduction in Ball Bearings?

    Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

    • Vibration:

    Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

    • Bearing Type and Design:

    The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

    • Lubrication:

    Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

    • Bearing Clearance and Preload:

    Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

    • Material and Manufacturing Quality:

    The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

    • Surface Finish:

    The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

    • Sealing and Shielding:

    Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

    • Operating Conditions:

    External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

    • Wear and Deterioration:

    As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

    To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

    degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

    • Seal Effectiveness:

    Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

    • Choosing Appropriate Bearings:

    When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

    Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

    and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Best Sales 6212 Deep Groove Ball Bearings Factory Price Tapered Roller Bearing   bearing distributorsChina Best Sales 6212 Deep Groove Ball Bearings Factory Price Tapered Roller Bearing   bearing distributors
editor by CX 2023-08-29

China manufacturer CZPT CZPT CZPT CZPT CZPT CZPT Bearings Roller Bearing Ball Bearing 6205 RS Zz bearing example

Product Description

SKF CZPT CZPT CZPT Fyh Bearings Roller bearing Ball Bearing 6205 RS ZZ

NO 1. our adwantages:

1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, angular contact bearings, needle roller bearings, thrust ball bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available

NO 2. Description: Ball bearing

Race: we use the most advanced technology-cold extrusion process. Besides, the race will make 2 or 3 times temper to guarantee its high precision.

Rolling element: we use the rolling technology to process the roller and the steel ball of high precision bearing, the most advantage of our technology is to promote productive and productive efficiency. At the same time, our technology can prolong the bearing working life. The hardness and the diamention stability will also promote.

Steel cage: in order to avoid avoid cracks and guarantee the hardness, we use pattern “high temperature+long time”, our cage of high precision bearing have reached advanced level in china at surface abrasion resistance and fatigue strength.

NO 3. Types of Ball bearing

– Single row deep groove ball bearings
– Single row deep groove ball bearings with filling slots
– Stainless steel deep groove ball bearings
– Double row deep groove ball bearings
– Hybrid deep groove ball bearings
– Deep groove ball bearings for high temperature applications

NO 4. OEM all brand bearing

NO 5. Ball Bearing Specification:

Seals Types ZZ,Z,2RS,rs,RZ,2RZ,OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-10 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;Single box+outer carton+pallets;
Tube pavkge+middle box+outer carton+pallets;According to your requirement

NO 6. Deep Groove Ball Bearing Models and Parameters:

6000 series deep groove ball bearings                                                            

N0. Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
604 4 12 4 0.2 0.97 0.36 36000 44000 0.0571
605 5 14 5 0.2 1.33 0.505 32000 40000 0.0035
606 6 17 6 0.3 2.19 0.865 30000 38000 0.006
607 7 19 6 0.3 2.24 0.91 28000 36000 0.008
608 8 22 7 0.3 3.35 1.4 26000 34000 0.012
609 9 24 7 0.3 3.4 1.45 24000 32000 0.014
6000 10 26 8 0.3 4.55 1.96 22000 30000 0.019
6001 12 28 8 0.3 5.1 2.39 19000 26000 0.571
6002 15 32 9 0.3 5.6 2.83 18000 24000 0.03
6003 17 35 10 0.3 6.8 3.35 17000 22000 0.039
6004 20 42 12 0.6 9.4 5.05 15000 19000 0.069
6005 25 47 12 0.6 10.1 5.85 14000 18000 0.08
6006 30 55 13 0.6 13.2 8.3 12000 15000 0.116
6007 35 62 14 1.0 16 10.3 10000 14000 0.115
6008 40 68 15 1.0 16.8 11.5 8000 11000 0.19

6200 Series Miniature Deep Groove Ball Bearing             

N0. Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
624 4 13 5 0.2 1.15 0.4 36000 45000 0.0032
625 5 16 5 0.3 1.76 0.680 32000 40000 0.0050
626 6 19 6 0.3 2.34 0.885 28000 36000 0.0080
627 7 22 7 0.3 3.35 1.400 26000 34000 0.0130
628 8 24 8 0.3 4.00 1.590 24000 32000 0.0170
629 9 26 8 0.3 4.55 1.960 22000 30000 0.0190
6200 10 30 9 0.6 5.10 2.390 19000 26000 0.0300
6201 12 32 10 0.6 6.10 2.750 18000 24000 0.0360
6202 15 35 11 0.6 7.75 3.600 17000 22000 0.0460
6203 17 40 12 0.6 9.60 4.600 16000 20000 0.0650
6204 20 47 14 1.0 12.80 6.650 14000 18000 0.1070
6205 25 52 15 1.0 14.00 7.850 12000 16000 0.1250
6206 30 62 16 1.0 19.50 11.300 10000 13000 0.2571

6300 Series Miniature Deep Groove Ball Bearing                     

N0. Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
6300 10 35 11 0.6 8.2 3.5 18000 24000 0.053
6301 12 37 12 1.0 9.7 4.2 17000 22000 0.06
6302 15 42 13 1.0 11.4 5.45 16000 20000 0.082
6303 17 47 14 1.0 13.5 6.55 15000 19000 0.115
6304 20 52 15 1.1 15.9 7.9 14000 17000 0.144

6800 Series Miniature Deep Groove Ball Bearing                     

N0.
 
Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
685 5 11 3 0.15 0.715 0.282 35000 45000 0.0011
686 6 13 3.5 0.15 1.08 0.44 33000 42000 0.0019
687 7 14 3.5 0.15 1.17 0.505 31000 40000 0.0571
688 8 16 4 0.2 1.61 0.715 29000 38000 0.0031
689 9 17 4 0.2 1.72 0.82 28000 36000 0.0032
6800 10 19 5 0.3 1.83 0.925 26000 34000 0.005
6801 12 21 5 0.3 1.92 1.04 22000 30000 0.006
6802 15 24 5 0.3 2.08 1.26 20000 28000 0.007
6803 17 26 5 0.3 2.23 1.46 19000 26000 0.008
6804 20 32 7 0.3 4 2.47 17000 22000 0.019
6805 25 37 7 0.3 4.3 2.95 15000 19000 0.571
6806 30 42 7 0.3 4.7 3.65 13000 17000 0.026
6807 35 47 7 0.3 4.9 4.05 11000 15000 0.571

6900 Series Deep Groove Ball Bearing                              

N0.
 
Bore O.D Width Chamfer Load Rating Maximuum Seed Weight
mm mm mm mm Dynamic
Cr
Static
Cor
Grease
r/min
Oil
r/min
Kg/pcs
693 3 8 3 0.15 0.56 0.18 44000 52000 0.0006
694 4 11 4 0.15 0.715 0.276 38000 47000 0.0018
695 5 13 4 0.2 1.08 0.43 34000 43000 0.0571
696 6 15 5 0.2 1.35 0.53 32000 40000 0.0038
697 7 17 5 0.3 1.61 0.715 30000 38000 0.0052
698 8 19 6 0.3 1.99 0.865 28000 36000 0.0073
690 9 20 6 0.3 2.48 1.09 27000 34000 0.0082
6900 10 22 6 0.3 2.7 1.27 25000 32000 0.009
6901 12 24 6 0.3 2.89 1.46 20000 28000 0.011
6902 15 28 7 0.3 3.65 2 19000 26000 0.016
6903 17 30 7 0.3 4.65 2.58 18000 24000 0.018
6904 20 37 9 0.3 6.4 3.7 17000 22000 0.036
6905 25 42 9 0.3 7.05 4.55 14000 18000 0.042
6906 30 47 9 0.3 7.25 5 12000 16000 0.048
6907 35 55 10 0.3 9.55 6.85 10000 14000 0.074
 

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Why Choose Us:

SFNB bearing company has 14 years manufacture experience and is 1 of the biggest adjustment center in north of China.
We have large stock of original brand and our own brand bearing.
Sample is available.
We can accept OEM service.
SFNB Bearing Co., Ltd. Was founded in March 2008. We were principally engaged in the research, development and manufacture of bearings in the early stage. Now we are mainly engaged in the sales of internationally-famous brand bearings. Our products are sold in Britain, America, Japan, Italy and Southeast Asia, well appreciated by their purchasers.
 

Shipping Cost:

Estimated freight per unit.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.



To be negotiated
Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Customization:
Available

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ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to prball bearing

What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

  • High-Carbon Chrome Steel (AISI 52100):

This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

  • Stainless Steel (AISI 440C, AISI 304, AISI 316):

Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

  • Ceramic:

Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

  • Plastic (Polyamide, PEEK):

Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

  • Bronze:

Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

  • Hybrid Bearings:

Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

  • Specialty Alloys:

For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

  • Coated Bearings:

Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

otect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China manufacturer CZPT CZPT CZPT CZPT CZPT CZPT Bearings Roller Bearing Ball Bearing 6205 RS Zz   bearing exampleChina manufacturer CZPT CZPT CZPT CZPT CZPT CZPT Bearings Roller Bearing Ball Bearing 6205 RS Zz   bearing example
editor by CX 2023-08-23

China Good quality Spherical Ball Bearings/Tapered Roller Bearings/Spherical Roller Bearings/Deep Groove Ball Bearings/Cylinder Roller Bearings/Linear HK1712 Wheel Bearing bearing driver kit

Product Description

Needle bearing is a roller bearing with a cylindrical roller, which is thin and long relative to its diameter.This roller is called a needle roller.Although has a small cross-section, bearing still has high load capacity, needle bearing with fine and long roller (roller diameter D 5 mm or less, acuity 2.5 L/D, L) for the roller length, so the radial structure is compact, its diameter and load capacity at the same time, with other types of bearing outside diameter to a minimum, especially suitable for the limited size of the radial installation supporting structure.                               

  trademark           HCRD

Material

Chrome steel/Stainless steel

Lubrication

Oil/ Grease

Package

Plastic tube

Precision

P0, P6, P5, P4

Application

Home appliances, low noise and high speed electric motors, automotive components, pumps, machinery.
Feature

Feature

High precision, low noise, high speed, long life, high reliability, heavy load and high temperature resistance.
Strong Products

Main products

Taper roller bearings; Deep groove ball bearing; Ball bearing

papermaking machinery, reduction gears, railway vehicle axles, rolling mill gearbox seats, rolling mill rollers, crushers, vibrating screens, printing machinery, woodworking machinery, various industrial reducers, vertical Self-aligning bearing with seat.
The needle bearing  is made of chrome steel material. 
Needle roller bearings here is only for display.  
Please contact us, we will send you the right picture and prce that you required. 

Detailed Photos

  

 

 

 

 

Packaging & Shipping

                           Bearing packing                                                     Bearing box support                                 Bearing wooden box support
 

                     Shipping signature                                             Small bearing order by air                                         Shipping for large orders                                  

Q1. What is the advantage about your company?
A1. Our company has professional team and professional production line.
Q2. Why should I choose your products?
A2. Our products are high quality and low price.
Q3. The logo and the color can be customized?
A3. Yes, we welcome you to sample custom.
Q4. Any other good service your company can provide?
A4. Yes,we can provide good after-sale and fast delivery.
Q5: Do you provide samples? Is it free or extra?
A5: Yes, we can provide samples for free, but do not pay for shipping.

 

Cage: Roller Bearing
Rows Number: Single
Load Direction: Radial Bearing
Style: Stamped Needle Roller Bearings
Material: Bearing Steel
Type: Open
Samples:
US$ 0.1/Roll
1 Roll(Min.Order)

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Customization:
Available

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bearing

Types of Ball Bearings

There are many types of Ball Bearings available on the market, but which one is best for your application? Here, we will discuss the differences between Angular contact, Single-row, High-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the center of each. These races are important in keeping the balls contained within the cylinder. They also provide a groove-baed pathway.

Ceramic

The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits longer fatigue life. All of these factors make the ceramic ball a good choice for many applications. But, how do you know if a ceramic ball bearing is right for your application? Read on to discover why ceramic ball bearings are a better choice than steel or stainless steel ones.
The ceramic balls are 40% more dense than steel. This means less centrifugal force is generated on the bearing, which suppresses heat generation. Because of this reduced friction, ceramic bearings are more efficient at transferring energy. Compared to steel bearings, ceramic balls have longer life spans. Nonetheless, these ceramic balls aren’t as strong as steel. Therefore, it is important to understand the limitations of the ceramic ball bearing before buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Eventually, this results in a brittle ball that reduces the life of a bearing. Unlike metals, ceramic materials have a stable behavior at high temperatures and exhibit less thermal expansion. This means that they can be used for applications where lubrication isn’t an option.
While steel balls can easily absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and doesn’t require lubrication. This means they’re not susceptible to corrosion and other common problems. These are just a few reasons why ceramics are a better choice. This technology has a wide range of uses. It’s easy to see why it is so popular. If you’re looking for a new bearing for your application, be sure to contact an AST Applications Engineer. They can analyze your operating conditions and potential failure modes.

Angular contact

An Angular Contact Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Finished Raceways to reduce noise and improve lubricant distribution. Angular contact ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular contact bearing has a radial contact angle that is equal to the angular distance between the two rings. Double-row angular bearings are designed for two-way thrust capability. These types of bearings can be purchased at Grainger and other online retailers. A typical angular contact bearing will last up to a million revolutions. They are often used in industrial angular contact bearings.
Single-row angular contact ball bearings feature a set contact angle. These bearings can support radial and axial loads, but they can’t withstand high speeds. Single-row angular contact ball bearings may also have one or two shoulders relieved. Thrust load is a pressure placed on the bearing when it is installed in an assembly, and it is used to create an angle between the races.
Angular contact ball bearings come in single and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular contact ball bearings are ideal for high-speed applications and can accommodate both radial and axial loads. The type of contact and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.
bearing

High-carbon steel

Carbon steel is a low-alloy and high-carbon steel used in bearings. This material provides superior strength and fatigue properties for ball and roller bearings. Its mechanical properties are ideal for applications where the temperature is less than 400 degrees Fahrenheit. High-carbon steel is also used to make bearing components for chrome steel bearings. These types of steels are softer than chrome steel but provide superior durability in applications where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a variety of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be purchased in a variety of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for decorative purposes.
In order to determine whether a ball bearing is made of high-carbon steel, the material must be tested for its hardness. An ordinary pocket magnet will work well, but an ordinary rare earth magnet isn’t powerful enough to measure the hardness. If it attracts the magnet strongly, the metal is steel, while a weak magnet indicates a non-ferrous material. A hardness test requires a special microhardness test.
A lower-carbon steel is another option. Some miniature bearing manufacturers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. After being heat-treated, it develops smaller carbides, resulting in superior low-noise characteristics and the same corrosion-resistance as 440C. These materials are a less expensive alternative than chrome steel, but they are often less durable than chrome alloy steel.

Single-row

Single-row angular contact ball bearings accommodate axial loads in one direction. These are normally adjusted against a second bearing. Unlike other ball bearings, they are non-separable and contain an upper and lower shoulder. Single-row ball bearings are made of Chromium Steel (GCr15) which is heat-treated to achieve high uniform hardness and excellent wear resistance. They are the most commonly used type of bearings in the world.
Because of the angular contact between the radial plane and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A higher a, the greater the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are ideal for high axial loads. However, they have limited preload capabilities and must be installed in pairs. Hence, they are best used for applications where axial forces must be distributed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are available with various retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for applications where space is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand tools, and optical encoders.
Single-row angular contact ball bearings are widely used for axial loads. The outer and inner rings have slightly larger radii than the balls. These bearings can accommodate high speeds and low torque. They can also be supplied with different grease levels. If grease is needed, you can choose a lubricant that has different characteristics depending on the application. They are easy to install and maintain. However, they are not recommended for adjacent mounting.
bearing

Plastic

A plastic ball bearing is a highly versatile component that can be mounted in a variety of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The integrated design of a plastic ball bearing helps to reduce assembly time and cost. Here are some of the benefits of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic properties than steel balls, making them the best option for applications requiring low weight and noise. Glass balls are also lighter than stainless steel balls, making them the ideal metal-free choice. They are also very corrosion-resistant, which makes them a great choice for some applications. In addition to being lightweight, polymer ball bearings are also quiet. And because of their low weight, plastic ball bearings are ideal for applications that require fast speed.
Another advantage of plastic bearings is their ability to withstand high temperatures. This material is also abrasion and corrosion-resistant. It meets FDA and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being extremely durable and flexible, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and ultra high molecular weight polyethylene. Nonetheless, plastics have limitations, and these materials may be damaged by extreme temperatures or cold flow under heavy loads.
Other advantages of plastic ball bearings include their low density, high hardness and low friction coefficient, and ability to withstand heat and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market for a plastic ball bearing, it’s important to choose the right type of material. And if you’re looking for a high-quality bearing, look no further.

China Good quality Spherical Ball Bearings/Tapered Roller Bearings/Spherical Roller Bearings/Deep Groove Ball Bearings/Cylinder Roller Bearings/Linear HK1712 Wheel Bearing   bearing driver kitChina Good quality Spherical Ball Bearings/Tapered Roller Bearings/Spherical Roller Bearings/Deep Groove Ball Bearings/Cylinder Roller Bearings/Linear HK1712 Wheel Bearing   bearing driver kit
editor by CX 2023-04-19

China 607 607z 607RS Bearing Deep Groove Ball Miniature Bearing for Roller Skates or Skateboard bearing engineering

Product Description

 

Factory immediate supply of substantial speed prolonged life deep groove ball bearing 608zz home enthusiast motor bearing

 

Spot of Origin:China

Certification:ISO9001:2008

Drawing Format:stl obj stage stp igs

Shipping and delivery Time:3-5daysODM High

Packing:Carton

Key phrase:Customized Fabrication Services

Size:Customized Size

MOQ:1 Piece

Item # 608 Rubber cover Bearing type ball bearing
Structure single column   seaing variety Metallic dust cover/rubber go over/open 
Shaft diameter 8mm steel dust go over Dust protect material Chilly rolled sheet/rubber/304 stainless steel 
Inner diameterr 8mm   Outer diameter 22mm
Internal diameter tolerance:    -.008mm ~   Open up Outer diameter tolerance:    -.008mm ~ 0 
height: (B):    7mm   Ferrule materials GCr15 bearing steel 
height tolerance:   -.571mm ~     Metal ball materials GCr15 bearing steel 
Retainer substance:    SPCC/PA66     Load course:    radial
Dynamic load (Newton):   2799   Static load (Cor) (Newton):    1103
Restrict velocity (grease) (X1000 RPM):    34   Lubricant:    included
Installation strategy:    push-in   Temperature variety:    -30° ~ a hundred and ten ºC 
Clearance level:      Clearance assortment:    .002mm ~ .013mm 
RoHS:    Compliance with specifications     Variety of balls:    7
Ball diameter:    3.969mm     Excess weight (g):    twelve.nine

Packaging & Shipping and delivery
Packaging Particulars
1. plastic luggage, foam, box and common carton
two. As for each customers’ necessity
Port    HangZhou

Q: Do you accept customization?
A: Sure, we can customise it for you in accordance to samples or drawings. The minimal buy amount is dependent on the solution product you require.
Q: Are you a buying and selling firm or a producer?

A: Sure, we are a actual producer and trading business with ten years of experience in generating bearings, and we also give supporting services for the bearing business.

Q: Can you provide samples for free of charge?
A: Indeed, we can give samples for free. To

Q: How do you send out goods to buyers?
A: For modest orders: We deliver the merchandise in the adhering to methods: DHL, TNT, FEDEX, UPS, ARAMEX, AIR or land supply
For large orders: We ship by sea. Or as your request
Q: How long is your shipping and delivery time?
A: If it is in inventory, it generally takes 5-ten days. Or, if there is no inventory, it is fifteen-20 times, depending on the quantity.
Q: What is your minimum get amount?
A: For ordinary bearing models, our bare minimum order amount is 1.
Q: Can you explain to me that your company’s payment terms are suitable?
A: T / T. Western Union, PayPal

Firm Profile

 

Packaging & Shipping

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Contact Angle: 15°
Aligning: Aligning Bearing
Separated: Separated

###

Samples:
US$ 1.99/Piece
1 Piece(Min.Order)

|

Order Sample

Support Custom

###

Customization:

###

Item # 608 Rubber cover Bearing type ball bearing
Structure single column   sea;ing type Metal dust cover/rubber cover/open 
Shaft diameter 8mm metal dust cover Dust cover material Cold rolled sheet/rubber/304 stainless steel 
Inner diameterr 8mm   Outer diameter 22mm
Inner diameter tolerance:    -0.008mm ~ 0   Open Outer diameter tolerance:    -0.008mm ~ 0 
height: (B):    7mm   Ferrule material GCr15 bearing steel 
height tolerance:   -0.010mm ~ 0     Steel ball material GCr15 bearing steel 
Retainer material:    SPCC/PA66     Load direction:    radial
Dynamic load (Newton):   2799   Static load (Cor) (Newton):    1103
Limit speed (grease) (X1000 RPM):    34   Lubricant:    added
Installation method:    press-in   Temperature range:    -30° ~ 110 ºC 
Clearance level:    0   Clearance range:    0.002mm ~ 0.013mm 
RoHS:    Compliance with standards     Number of balls:    7
Ball diameter:    3.969mm     Weight (g):    12.9
Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Contact Angle: 15°
Aligning: Aligning Bearing
Separated: Separated

###

Samples:
US$ 1.99/Piece
1 Piece(Min.Order)

|

Order Sample

Support Custom

###

Customization:

###

Item # 608 Rubber cover Bearing type ball bearing
Structure single column   sea;ing type Metal dust cover/rubber cover/open 
Shaft diameter 8mm metal dust cover Dust cover material Cold rolled sheet/rubber/304 stainless steel 
Inner diameterr 8mm   Outer diameter 22mm
Inner diameter tolerance:    -0.008mm ~ 0   Open Outer diameter tolerance:    -0.008mm ~ 0 
height: (B):    7mm   Ferrule material GCr15 bearing steel 
height tolerance:   -0.010mm ~ 0     Steel ball material GCr15 bearing steel 
Retainer material:    SPCC/PA66     Load direction:    radial
Dynamic load (Newton):   2799   Static load (Cor) (Newton):    1103
Limit speed (grease) (X1000 RPM):    34   Lubricant:    added
Installation method:    press-in   Temperature range:    -30° ~ 110 ºC 
Clearance level:    0   Clearance range:    0.002mm ~ 0.013mm 
RoHS:    Compliance with standards     Number of balls:    7
Ball diameter:    3.969mm     Weight (g):    12.9

Types of Ball Bearings

There are many types of Ball Bearings available on the market, but which one is best for your application? Here, we will discuss the differences between Angular contact, Single-row, High-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the center of each. These races are important in keeping the balls contained within the cylinder. They also provide a groove-baed pathway.
bearing

Ceramic

The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits longer fatigue life. All of these factors make the ceramic ball a good choice for many applications. But, how do you know if a ceramic ball bearing is right for your application? Read on to discover why ceramic ball bearings are a better choice than steel or stainless steel ones.
The ceramic balls are 40% more dense than steel. This means less centrifugal force is generated on the bearing, which suppresses heat generation. Because of this reduced friction, ceramic bearings are more efficient at transferring energy. Compared to steel bearings, ceramic balls have longer life spans. Nonetheless, these ceramic balls aren’t as strong as steel. Therefore, it is important to understand the limitations of the ceramic ball bearing before buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Eventually, this results in a brittle ball that reduces the life of a bearing. Unlike metals, ceramic materials have a stable behavior at high temperatures and exhibit less thermal expansion. This means that they can be used for applications where lubrication isn’t an option.
While steel balls can easily absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and doesn’t require lubrication. This means they’re not susceptible to corrosion and other common problems. These are just a few reasons why ceramics are a better choice. This technology has a wide range of uses. It’s easy to see why it is so popular. If you’re looking for a new bearing for your application, be sure to contact an AST Applications Engineer. They can analyze your operating conditions and potential failure modes.

Angular contact

An Angular Contact Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Finished Raceways to reduce noise and improve lubricant distribution. Angular contact ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular contact bearing has a radial contact angle that is equal to the angular distance between the two rings. Double-row angular bearings are designed for two-way thrust capability. These types of bearings can be purchased at Grainger and other online retailers. A typical angular contact bearing will last up to a million revolutions. They are often used in industrial angular contact bearings.
Single-row angular contact ball bearings feature a set contact angle. These bearings can support radial and axial loads, but they can’t withstand high speeds. Single-row angular contact ball bearings may also have one or two shoulders relieved. Thrust load is a pressure placed on the bearing when it is installed in an assembly, and it is used to create an angle between the races.
Angular contact ball bearings come in single and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular contact ball bearings are ideal for high-speed applications and can accommodate both radial and axial loads. The type of contact and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.
bearing

High-carbon steel

Carbon steel is a low-alloy and high-carbon steel used in bearings. This material provides superior strength and fatigue properties for ball and roller bearings. Its mechanical properties are ideal for applications where the temperature is less than 400 degrees Fahrenheit. High-carbon steel is also used to make bearing components for chrome steel bearings. These types of steels are softer than chrome steel but provide superior durability in applications where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a variety of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be purchased in a variety of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for decorative purposes.
In order to determine whether a ball bearing is made of high-carbon steel, the material must be tested for its hardness. An ordinary pocket magnet will work well, but an ordinary rare earth magnet isn’t powerful enough to measure the hardness. If it attracts the magnet strongly, the metal is steel, while a weak magnet indicates a non-ferrous material. A hardness test requires a special microhardness test.
A lower-carbon steel is another option. Some miniature bearing manufacturers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. After being heat-treated, it develops smaller carbides, resulting in superior low-noise characteristics and the same corrosion-resistance as 440C. These materials are a less expensive alternative than chrome steel, but they are often less durable than chrome alloy steel.

Single-row

Single-row angular contact ball bearings accommodate axial loads in one direction. These are normally adjusted against a second bearing. Unlike other ball bearings, they are non-separable and contain an upper and lower shoulder. Single-row ball bearings are made of Chromium Steel (GCr15) which is heat-treated to achieve high uniform hardness and excellent wear resistance. They are the most commonly used type of bearings in the world.
Because of the angular contact between the radial plane and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A higher a, the greater the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are ideal for high axial loads. However, they have limited preload capabilities and must be installed in pairs. Hence, they are best used for applications where axial forces must be distributed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are available with various retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for applications where space is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand tools, and optical encoders.
Single-row angular contact ball bearings are widely used for axial loads. The outer and inner rings have slightly larger radii than the balls. These bearings can accommodate high speeds and low torque. They can also be supplied with different grease levels. If grease is needed, you can choose a lubricant that has different characteristics depending on the application. They are easy to install and maintain. However, they are not recommended for adjacent mounting.
bearing

Plastic

A plastic ball bearing is a highly versatile component that can be mounted in a variety of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The integrated design of a plastic ball bearing helps to reduce assembly time and cost. Here are some of the benefits of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic properties than steel balls, making them the best option for applications requiring low weight and noise. Glass balls are also lighter than stainless steel balls, making them the ideal metal-free choice. They are also very corrosion-resistant, which makes them a great choice for some applications. In addition to being lightweight, polymer ball bearings are also quiet. And because of their low weight, plastic ball bearings are ideal for applications that require fast speed.
Another advantage of plastic bearings is their ability to withstand high temperatures. This material is also abrasion and corrosion-resistant. It meets FDA and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being extremely durable and flexible, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and ultra high molecular weight polyethylene. Nonetheless, plastics have limitations, and these materials may be damaged by extreme temperatures or cold flow under heavy loads.
Other advantages of plastic ball bearings include their low density, high hardness and low friction coefficient, and ability to withstand heat and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market for a plastic ball bearing, it’s important to choose the right type of material. And if you’re looking for a high-quality bearing, look no further.

China 607 607z 607RS Bearing Deep Groove Ball Miniature Bearing for Roller Skates or Skateboard     bearing engineeringChina 607 607z 607RS Bearing Deep Groove Ball Miniature Bearing for Roller Skates or Skateboard     bearing engineering
editor by czh 2023-01-02

China Sliding Upper Roller 624/625/608 Bearing for Sliding Wardrobe Hardware double row ball bearing

Solution Description

Solution Description

 

Item No. Ball Bearing POM Pulley with Threaded Shaft
Dimensions OEM
Content Bearing -Chrome metal, carbon metal, stainless steel
Plastic portion- POM/ Nylon6 /Nylon66 +GF
Screw- Reduced carbon metal with zinc plated / Stainless Steel
Stamping areas- SPCC with zinc plated/ electrophoresis
Coloration Original/black/white/Red/ Environmentally friendly/ Orange, or for every customers’ requirement
Area Therapy Zinc plated/Nickle Plated/Black therapy/ Portray/Electrophoretic treatment method
Attributes large-responsibility,adjustable,low noise,straightforward installation,sliding effortlessly,prolonged lifestyle,normal,tailored,and so on.
Software Sliding window and door, Sliding components, furniture equipment etc.
Packaing Foil bag+Neutral Carton+Pallet, or for every customers’ necessity
MOQ a thousand pcs
Direct Time In accordance to the get q’ty
OEM& ODM Technical drawing or sample is necessary

 

OEM Answers

 

 

 

Business Profile

 

 

Our Rewards

A door wheel is put in on a sliding doorway that allows the sliding doorway to open up and shut efficiently. They are utilized in platform rails, equipment, gates, partitions, and so forth. These wheels are constructed from various shapes: V-shaped, L-shaped and flat. In addition, they are used in sash door wheels, adjustable doorway wheels and monitor door wheels. About the Supplies including stainless steel, Chrome steel, Minimal carbon metal, nylon, die casting, aluminium profile etc. per your requirement.

Doorway wheels as a little portion in the complete technique, but it plays a extremely crucial role in usability and security. The variation of materials in tensile energy, abrasion resistance, chemical solvent resistance, and many others., and decide on relying on the running surroundings this sort of as outdoors or indoors. When replacing a doorway wheel, examine cautiously the door wheel diameter, the door or body condition, wheel components and frame resources.

We are the Maker of door and window hardware goods. Our company materials merchandise these kinds of as automatic hardware, closet doorway hardware, business components, glass door techniques (sliding and pivoting items), glass and mirror sliding merchandise, handrail techniques/add-ons, shower door components, sliding patio door hardware and storm doorway hardware equipment.

 

Buy Discover

1.Pls send us an inquiry or depart us a concept, there will be a dedicated staff to provide you within 1 several hours.
two.You can request us to just take real photographs of the merchandise for you, and cost-free samples would be provided.
three. Welcome to visit our manufacturing unit to negotiate orders, we will do our best to defend the security of your enterprise journey.
four. Particular Supplies accessible
five. Packaging can be tailored in accordance to customer specifications
Ultimately, You should be certain to click on “Get in touch with provider” to get in touch with us, or “Contact us” with any questions that you may possibly have.

 

US $0.2
/ Piece
|
1,000 Pieces

(Min. Order)

###

Certification: TUV, CE, ISO
Splittable: Unsplittable
Surface Treatment: Zinc Plated
Material: POM
Testing: Sst + DIN Standard
Features: Durable, Longlife, Heavy Duty, Smooth

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Item No. Ball Bearing POM Pulley with Threaded Shaft
Dimensions OEM
Material Bearing -Chrome steel, carbon steel, stainless steel
Plastic part- POM/ Nylon6 /Nylon66 +GF
Screw- Low carbon steel with zinc plated / Stainless Steel
Stamping parts- SPCC with zinc plated/ electrophoresis
Color Original/black/white/Red/ Green/ Orange, or per customers’ requirement
Surface Treatment Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment
Features heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc.
Application Sliding window and door, Sliding accessories, furniture accessories etc.
Packaing Foil bag+Neutral Carton+Pallet, or per customers’ requirement
MOQ 1000 pcs
Lead Time According to the order q’ty
OEM& ODM Technical drawing or sample is needed
US $0.2
/ Piece
|
1,000 Pieces

(Min. Order)

###

Certification: TUV, CE, ISO
Splittable: Unsplittable
Surface Treatment: Zinc Plated
Material: POM
Testing: Sst + DIN Standard
Features: Durable, Longlife, Heavy Duty, Smooth

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Item No. Ball Bearing POM Pulley with Threaded Shaft
Dimensions OEM
Material Bearing -Chrome steel, carbon steel, stainless steel
Plastic part- POM/ Nylon6 /Nylon66 +GF
Screw- Low carbon steel with zinc plated / Stainless Steel
Stamping parts- SPCC with zinc plated/ electrophoresis
Color Original/black/white/Red/ Green/ Orange, or per customers’ requirement
Surface Treatment Zinc plated/Nickle Plated/Black treatment/ Painting/Electrophoretic treatment
Features heavy-duty,adjustable,low noise,easy installation,sliding smoothly,long life,standard,customized,etc.
Application Sliding window and door, Sliding accessories, furniture accessories etc.
Packaing Foil bag+Neutral Carton+Pallet, or per customers’ requirement
MOQ 1000 pcs
Lead Time According to the order q’ty
OEM& ODM Technical drawing or sample is needed

Types of Ball Bearings

There are many types of Ball Bearings available on the market, but which one is best for your application? Here, we will discuss the differences between Angular contact, Single-row, High-carbon steel, and Ceramic ball bearings. These types of bearings also feature races, or a groove in the center of each. These races are important in keeping the balls contained within the cylinder. They also provide a groove-baed pathway.
bearing

Ceramic

The ceramic ball used in ball bearings has many advantages. It is lightweight, operates at lower temperatures, has reduced skidding, and is resistant to electrolysis. The ball also exhibits longer fatigue life. All of these factors make the ceramic ball a good choice for many applications. But, how do you know if a ceramic ball bearing is right for your application? Read on to discover why ceramic ball bearings are a better choice than steel or stainless steel ones.
The ceramic balls are 40% more dense than steel. This means less centrifugal force is generated on the bearing, which suppresses heat generation. Because of this reduced friction, ceramic bearings are more efficient at transferring energy. Compared to steel bearings, ceramic balls have longer life spans. Nonetheless, these ceramic balls aren’t as strong as steel. Therefore, it is important to understand the limitations of the ceramic ball bearing before buying one.
The ceramic materials used for ball bearings are resistant to micro-welding. Metals undergo this process when imperfections in the surfaces interact. Eventually, this results in a brittle ball that reduces the life of a bearing. Unlike metals, ceramic materials have a stable behavior at high temperatures and exhibit less thermal expansion. This means that they can be used for applications where lubrication isn’t an option.
While steel balls can easily absorb contaminants and foreign particles, the ceramic ball is insensitive to this, and doesn’t require lubrication. This means they’re not susceptible to corrosion and other common problems. These are just a few reasons why ceramics are a better choice. This technology has a wide range of uses. It’s easy to see why it is so popular. If you’re looking for a new bearing for your application, be sure to contact an AST Applications Engineer. They can analyze your operating conditions and potential failure modes.

Angular contact

An Angular Contact Ball Bearing (also known as an angular-contact bearing) has an axial component that is generated when radial loads are applied. They are generally used in pairs, triplex sets, or quadruplex sets. These bearings are also available with Super Finished Raceways to reduce noise and improve lubricant distribution. Angular contact ball bearings have various design units, such as bore size, outer diameter, and outer ring width.
A single-row angular contact bearing has a radial contact angle that is equal to the angular distance between the two rings. Double-row angular bearings are designed for two-way thrust capability. These types of bearings can be purchased at Grainger and other online retailers. A typical angular contact bearing will last up to a million revolutions. They are often used in industrial angular contact bearings.
Single-row angular contact ball bearings feature a set contact angle. These bearings can support radial and axial loads, but they can’t withstand high speeds. Single-row angular contact ball bearings may also have one or two shoulders relieved. Thrust load is a pressure placed on the bearing when it is installed in an assembly, and it is used to create an angle between the races.
Angular contact ball bearings come in single and double-row configurations. They differ in the axial load they can carry and the type of lubrication they use. Angular contact ball bearings are ideal for high-speed applications and can accommodate both radial and axial loads. The type of contact and lubrication used in angular-contact ball bearings depends on the intended use for the bearing.
bearing

High-carbon steel

Carbon steel is a low-alloy and high-carbon steel used in bearings. This material provides superior strength and fatigue properties for ball and roller bearings. Its mechanical properties are ideal for applications where the temperature is less than 400 degrees Fahrenheit. High-carbon steel is also used to make bearing components for chrome steel bearings. These types of steels are softer than chrome steel but provide superior durability in applications where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are used in a variety of automotive, commercial, and semi-precision applications. In addition to automotive applications, they are also used in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are used in bearings. They can be purchased in a variety of weights and diameters. Carbon steel balls can also be purchased in nickel-plated or uncoated varieties for decorative purposes.
In order to determine whether a ball bearing is made of high-carbon steel, the material must be tested for its hardness. An ordinary pocket magnet will work well, but an ordinary rare earth magnet isn’t powerful enough to measure the hardness. If it attracts the magnet strongly, the metal is steel, while a weak magnet indicates a non-ferrous material. A hardness test requires a special microhardness test.
A lower-carbon steel is another option. Some miniature bearing manufacturers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. After being heat-treated, it develops smaller carbides, resulting in superior low-noise characteristics and the same corrosion-resistance as 440C. These materials are a less expensive alternative than chrome steel, but they are often less durable than chrome alloy steel.

Single-row

Single-row angular contact ball bearings accommodate axial loads in one direction. These are normally adjusted against a second bearing. Unlike other ball bearings, they are non-separable and contain an upper and lower shoulder. Single-row ball bearings are made of Chromium Steel (GCr15) which is heat-treated to achieve high uniform hardness and excellent wear resistance. They are the most commonly used type of bearings in the world.
Because of the angular contact between the radial plane and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A higher a, the greater the axial load carrying capacity of the bearing. Single-row angular contact ball bearings are ideal for high axial loads. However, they have limited preload capabilities and must be installed in pairs. Hence, they are best used for applications where axial forces must be distributed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also available with rubber seals or snap rings on the outside edge. They are available with various retainers, including pressed steel cages, plastic shields, and rubber seals. A tapered bore is also available upon request. They are ideal for applications where space is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand tools, and optical encoders.
Single-row angular contact ball bearings are widely used for axial loads. The outer and inner rings have slightly larger radii than the balls. These bearings can accommodate high speeds and low torque. They can also be supplied with different grease levels. If grease is needed, you can choose a lubricant that has different characteristics depending on the application. They are easy to install and maintain. However, they are not recommended for adjacent mounting.
bearing

Plastic

A plastic ball bearing is a highly versatile component that can be mounted in a variety of components, including wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The inner ring can be made of a shaft or polymer. The integrated design of a plastic ball bearing helps to reduce assembly time and cost. Here are some of the benefits of this type of bearing:
First and foremost, plastic balls are lighter than metal balls. They also have less magnetic properties than steel balls, making them the best option for applications requiring low weight and noise. Glass balls are also lighter than stainless steel balls, making them the ideal metal-free choice. They are also very corrosion-resistant, which makes them a great choice for some applications. In addition to being lightweight, polymer ball bearings are also quiet. And because of their low weight, plastic ball bearings are ideal for applications that require fast speed.
Another advantage of plastic bearings is their ability to withstand high temperatures. This material is also abrasion and corrosion-resistant. It meets FDA and USDA acceptance requirements. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer heat. Aside from being extremely durable and flexible, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and ultra high molecular weight polyethylene. Nonetheless, plastics have limitations, and these materials may be damaged by extreme temperatures or cold flow under heavy loads.
Other advantages of plastic ball bearings include their low density, high hardness and low friction coefficient, and ability to withstand heat and corrosion. Ceramics are also lightweight, non-conductive, and have superior resistance to friction. These products can withstand temperatures up to 1,800 degrees Fahrenheit. If you’re in the market for a plastic ball bearing, it’s important to choose the right type of material. And if you’re looking for a high-quality bearing, look no further.

China Sliding Upper Roller 624/625/608 Bearing for Sliding Wardrobe Hardware     double row ball bearingChina Sliding Upper Roller 624/625/608 Bearing for Sliding Wardrobe Hardware     double row ball bearing
editor by czh 2022-12-17

China Abec 9 Miniature Ceramic Bearing Roller Skateboard 608 2 Rs Zz Deep Groove Ball Bearing for Trolley Skate connecting rod bearing

Type: BALL
Structure: Deep Groove
Applicable Industries: Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company, Other
Bore Size: 7.996 – 8 mm
Model Number: 608-2RS ABEC-9
Precision Rating: P0,P6,P5,P2,P4
Seals Type: ZZ RS 2RS OPEN
Number of Row: Single row
Lubrication: Oil Grease
Noise level: Z1,Z2,Z3
Vibration: V1 V2 V3 V4
certificate: ISO9001
clearance: C2 C0 C3 C4 C5
Packaging Details: 1.The quantity is small:Plastic pipe + white box + carton2.large in amount:Plastic pipe + white box + carton + tray3.According to customer requirements
Port: HangZhou,HangZhou,ZheJiang ,HK

Our Services
Classification
Contact Us

itemvalue
TypeDeep Groove Ball Bearing
StructureDeep Groove
Applicable IndustriesHotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company
Bore Size8*22*7mm
Model Number608-2RS ABEC-9
Precision RatingP0 P6 P5 P4 P2
Seals TypeZZ 2RS OPEN
Number of RowSingle row
Place of OriginChina

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We are based in ZheJiang , China, start from 2002,sell to North America(30.00%),South America(20.00%),Southeast Asia(20.00%),Eastern Europe(10.00%),Africa(10.00%),Mid East(5.00%),Central America(5.00%). There are total about 11-50 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Ball Bearing,Roller Bearing,Auto Bearing4. why should you buy from us not from other suppliers?HangZhou Duohui Bearing CO.,LTD is specialized in supplying import bearing. 5. what services can we provide?Accepted Delivery Terms: FOB,CIF;Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;Accepted Payment Type: T/T,L/C,PayPal,Western Union,Escrow;Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

Types of Ball Bearings

In their most basic form, Ball Bearings have one common feature – they are made of steel. The majority of these bearings are made of 52100 steel, which has one percent chromium and one percent carbon. The steel can be hardened by heat trea
tment. 440C stainless steel is used for rusting problems. A cage around the ball balls is traditionally made from thin steel. However, some bearings use molded plastic cages to save money and friction.
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Single-row designs

Steel linear translation stages often use single-row designs for ball bearings. These types of bearings provide smooth linear travel and can withstand high loads. The material steel has a high modulus of elasticity and a high stiffness, as well as a lower thermal expansion than aluminum. For these reasons, steel is the material of choice for a ball bearing in a typical user environment. Single-row designs for ball bearings are also suitable for applications in humid or corrosive environments.
Single-row designs for ball bearings are available in a variety of sizes and are axially adjustable. They have a high radial capacity, but require relatively little space. Single-row deep groove ball bearings with snap rings are STN 02 4605 or R47, respectively. Bearings with snap rings are identified by a suffix such as NR. They may not have seals or shields installed.
These single-row angular contact ball bearings are capable of supporting axial and radial loads. In a two-raceway arrangement, the radial load on bearing A causes a radial load to act on bearing B. Both axial and radial forces are transmitted between single-row angular contact ball bearings, and the resulting internal force must be taken into account to calculate equivalent dynamic bearing loads P.
Single-row deep groove ball bearings are the most common type of ball bearings. These bearings are designed with only one row of rolling elements. The single-row design is simple and durable, which makes it ideal for high-speed applications. Single-row designs for ball bearings are also available in various bore sizes. They can also come in a variety of shapes and are non-separable. If you need a high-speed bearing, you may want to opt for a double-row design.
In addition to single-row designs for ball bearings, you can choose ceramic or steel ball bearings. Ceramic balls are considerably harder than steel balls, but they are not as hard as steel. Hence, ceramic bearings are stiffer than steel ball bearings, resulting in increased stress on the outer race groove and lower load capacity. This is a great benefit for those who need the bearings to be lightweight and strong.
The difference between single-row and double-row designs is in the way that the inner and outer ring are installed. A single-row design places the inner ring in an eccentric position relative to the outer ring. The two rings are in contact at one point, which causes a large gap in the bearing. The balls are then inserted through the gap. As a result, the balls are evenly distributed throughout the bearing, which forces the inner and outer rings to become concentric.
Deep-groove ball bearings are one of the most popular types of ball bearings. They are available in different designs, including snap-ring, seal and shield arrangements. The race diameter of a deep-groove ball bearing is close to the ball’s diameter. These types of bearings are suited for heavy loads, and their axial and radial support are excellent. Their main drawback is that the contact angle cannot be adjusted to accommodate a wide range of relative loads.
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Ceramic hybrid ball bearings

Hybrid ball bearings with ceramic balls have numerous advantages. They feature improved kinematic behavior and require less lubrication. Consequently, they can reduce operating costs. Additionally, their low thermal expansion coefficient allows for smaller changes in contact angle and preload variations, and they can retain tolerances. Furthermore, ceramic hybrid ball bearings have significantly increased life spans compared to conventional steel-steel ball bearings, with up to 10 times the lifespan.
Although ceramic bearings can be used in automotive applications, many people believe that they’re a poor choice for bicycle hubs. They don’t reduce weight and only work well in high-rpm environments. As a result, many cyclists don’t even bother with ceramic-based bearings. However, both Paul Lew and Alan are of the opinion that ceramic bearings are best suited for industrial or medical equipment applications. Furthermore, Paul and Alan believe that they are ideal for high-altitude drone motors.
Another advantage of ceramic hybrid ball bearings is that they use less friction than conventional steel-based balls. They are also more durable, requiring less lubrication than steel-based bearings. Furthermore, the lower friction and rolling resistance associated with ceramic-based ball bearings means that they can last ten times longer than steel-based bearings. A ceramic-based hybrid ball bearing can be used for applications where speed and lubrication are critical.
Ceramic hybrid ball bearings feature both steel and silicon nitride balls. Silicon nitride balls have 50% more modulus of elasticity than steel balls and can improve accuracy and precision. Ceramic balls also have a smoother surface finish than steel balls, which reduces vibration and spindle deflection. These benefits result in increased speed and improved production quality. In addition to this, ceramic balls can also reduce the operating temperature, enhancing the work environment.
Hybrid bearings are a popular alternative to steel bearings. They have some benefits over traditional steel bearings, and are becoming a popular choice for engineered applications. Hybrid bearings are ideal for high speed machines. The material used to manufacture ceramic balls is a high-quality alloy, and is comparatively inexpensive. But you must understand that lubrication is still necessary for hybrid bearings. If you are not careful, you may end up wasting money.
These ball bearings can be used in many industries and applications, and they are widely compatible with most metals. The main advantage of hybrid ball bearings is that they are very durable. While steel balls tend to corrode and wear out, ceramic ball bearings can withstand these conditions while minimizing maintenance and replacement costs. The benefits of hybrid ball bearings are clear. So, consider switching to these newer types of ball bearings.
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Self-aligning ball bearings

Self-aligning ball bearings are a good choice for many applications. They are a great alternative to traditional ball bearings, and they are ideal for rotating applications in which the shaft must move in several directions. They are also ideal for use in rotating parts where a tight tolerance is necessary. You can choose between two types: plain and flex shaft. Read on to find out which one will suit your needs.
Self-aligning ball bearings are designed with a higher axial load carrying capacity than single-row radial deep groove ball bearings. The amount of axial load carrying capacity is dependent upon the pressure angle. These bearings have a hollow raceway in the outer ring that allows the inner ring to pivot without friction. They are often used for high-speed applications. Because of their design, they are highly accurate.
Self-aligning ball bearings are radial bearings that feature two rows of balls in a spherical outer ring. They also feature two deep uninterrupted raceway grooves in the inner ring. Their unique features make them an excellent choice for applications where shaft deflection is a significant factor. Despite their small size, they have a high level of precision and can withstand heavy loads.
Self-aligning ball bearings can compensate for misalignment in shaft applications. The inner ring and ball assembly are positioned inside an outer ring containing a curved raceway. This spherical design allows the balls and cage to deflect and re-align around the bearing center. These bearings are also ideal for applications where shaft deflection is significant, such as in simple woodworking machinery.
Another type of self-aligning ball bearing uses a common concave outer race. Both balls and outer races automatically compensate for angular misalignment caused by machining, assembly, and deflections. Compared to spherical rollers, they have lower frictional losses than their spherical counterparts. Self-alignment ball bearings also have lower vibration levels compared to other types of bearings.
Self-aligning ball bearings operate in misaligned applications because their spherical outer raceway can accommodate misalignment. This design allows them to work in applications where shaft deflection or housing deformation is common. They are therefore more suitable for low to medium-sized loads. The only real drawback to self-aligning ball bearings is their price. If you need to purchase a self-aligning ball bearing for your next project, you can expect to pay around $1500.

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