Tag Archives: used bearings

China supplier 7020c/AC/B High-Speed Angular Contact Ball Bearings 17*30*7mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72series bearing assembly

Product Description

Angular Contact Bearing

This type of bearing is used to bear heavier radial-axial combined loads with limit rotational speeds higher. The bearings are mainly applied to the construction parts that limit axial displacement of the axis or housing in double directions.
The bearing is used with 4 row cylindrical roller bearings limiting the axial motion of roll in rolling mill the axial load capactiy is heavier than four-point contact ball ebearings incomparison with paiy mounted in back-to-back, face-to-face arvangements single row angular contact ball bearings units, the axial clearance of the bearing doesn’t need adjustment, these bearings can be mounted with ease and there can be 2 types: 2 half-outer-rings and 2 half-inner-rings according to the installation need of customers.

Product description
Model: Angular contact ball bearings (7571AC)

Brand: AUTO
Series: Angular contact ball bearings, single row, no seals
Shape size

d:  100

D:  150

B:  24
 


Company

HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.

Packing

A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs

Delivery

A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.

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Contact Angle: 15°/25°/40°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Axial Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

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

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

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 7020c/AC/B High-Speed Angular Contact Ball Bearings 17*30*7mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72series   bearing assemblyChina supplier 7020c/AC/B High-Speed Angular Contact Ball Bearings 17*30*7mm P6/P5/P4/P2 Used in Machine Tool Spindles High Frequency Motors, Gas Turbines 718/719/70/72series   bearing assembly
editor by CX 2024-05-17

China Factory UC309 Bearing Insert Pillow Block Bearings Used for Agricultural/Industry Machinery UCFL309/UCP309/Ucf309/UCT309/Ucfa309 Ball/Roller/Cage Needle Bearing double row ball bearing

Product Description

Most of the outer spherical bearings are made of a spherical outer diameter, and are installed together with an imported bearing seat with a spherical inner hole. The structure is diverse, and the versatility and interchangeability are good.At the same time, this type of bearing also has a certain degree of alignment in design, is easy to install, and has a dual-structure sealing device that can work in harsh environments. The bearing seat is generally formed by casting.

Bearing unit  Shaft Dia. Dimension(in)or(mm) Bolt used Bearing  Weight
No. D(mm) a e i g l s b z Bi n (mm) No. (kg)
UCFL305 25 150 113 16 13 29 19 80 39 38 15 M16 UC305 1.1
UCFL306 30 180 134 18 15 32 23 90 44 43 17 M20 UC306 1.5
UCFL307 35 185 141 20 16 36 23 100 49 48 19 M20 UC307 1.8
UCFL308 40 200 158 23 17 40 23 112 56 52 19 M20 UC308 2.4
UCFL309 45 230 177 25 18 44 25 125 60 57 22 M22 UC309 3.4
UCFL310 50 240 187 28 19 48 25 140 67 61 22 M22 UC310 4.3
UCFL311 55 250 198 30 20 52 25 150 71 66 25 M22 UC311 5.2
UCFL312 60 270 212 33 22 56 31 160 78 71 26 M27 UC312 6.3
UCFL313 65 295 240 33 25 58 31 175 78 75 30 M27 UC313 7.9
UCFL314 70 315 250 36 28 61 35 185 81 78 33 M30 UC314 9.3
UCFL315 75 320 260 39 30 66 35 195 89 82 32 M30 UC315 10.6
UCFL316 80 355 285 38 32 68 38 210 90 86 34 M33 UC316 13.5
UCFL317 85 370 300 44 32 74 38 220 100 96 40 M33 UC317 15.2
UCFL318 90 385 315 44 36 76 38 235 100 96 40 M33 UC318 18
UCFL319 95 405 330 59 40 94 41 250 121 103 41 M36 UC319 22.7

ASAHI model:    UCFL 309
New model:         UCFLU309
Old model:           L 90609
Inner diameter:    45
Outer diameter:   57
Thickness:          125
Type Spherical ball bearing with seat
Detailed description Outer spherical ball bearing with CZPT seat top wire:
(UCFLU type)
Remarks S=22, Hmax=230, Amax=44, J=177, A2=2
ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings. 
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.
FAQ

1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.
 

Aligning: Non-Aligning Bearing
Separated: Unseparated
Feature: High Temperature, High Speed
Rows Number: Single
Raceway: Deep Groove Raceway
Material: Bearing Steel

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Samples:
US$ 2/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Bearing unit  Shaft Dia. Dimension(in)or(mm) Bolt used Bearing  Weight
No. D(mm) a e i g l s b z Bi n (mm) No. (kg)
UCFL305 25 150 113 16 13 29 19 80 39 38 15 M16 UC305 1.1
UCFL306 30 180 134 18 15 32 23 90 44 43 17 M20 UC306 1.5
UCFL307 35 185 141 20 16 36 23 100 49 48 19 M20 UC307 1.8
UCFL308 40 200 158 23 17 40 23 112 56 52 19 M20 UC308 2.4
UCFL309 45 230 177 25 18 44 25 125 60 57 22 M22 UC309 3.4
UCFL310 50 240 187 28 19 48 25 140 67 61 22 M22 UC310 4.3
UCFL311 55 250 198 30 20 52 25 150 71 66 25 M22 UC311 5.2
UCFL312 60 270 212 33 22 56 31 160 78 71 26 M27 UC312 6.3
UCFL313 65 295 240 33 25 58 31 175 78 75 30 M27 UC313 7.9
UCFL314 70 315 250 36 28 61 35 185 81 78 33 M30 UC314 9.3
UCFL315 75 320 260 39 30 66 35 195 89 82 32 M30 UC315 10.6
UCFL316 80 355 285 38 32 68 38 210 90 86 34 M33 UC316 13.5
UCFL317 85 370 300 44 32 74 38 220 100 96 40 M33 UC317 15.2
UCFL318 90 385 315 44 36 76 38 235 100 96 40 M33 UC318 18
UCFL319 95 405 330 59 40 94 41 250 121 103 41 M36 UC319 22.7
Aligning: Non-Aligning Bearing
Separated: Unseparated
Feature: High Temperature, High Speed
Rows Number: Single
Raceway: Deep Groove Raceway
Material: Bearing Steel

###

Samples:
US$ 2/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Bearing unit  Shaft Dia. Dimension(in)or(mm) Bolt used Bearing  Weight
No. D(mm) a e i g l s b z Bi n (mm) No. (kg)
UCFL305 25 150 113 16 13 29 19 80 39 38 15 M16 UC305 1.1
UCFL306 30 180 134 18 15 32 23 90 44 43 17 M20 UC306 1.5
UCFL307 35 185 141 20 16 36 23 100 49 48 19 M20 UC307 1.8
UCFL308 40 200 158 23 17 40 23 112 56 52 19 M20 UC308 2.4
UCFL309 45 230 177 25 18 44 25 125 60 57 22 M22 UC309 3.4
UCFL310 50 240 187 28 19 48 25 140 67 61 22 M22 UC310 4.3
UCFL311 55 250 198 30 20 52 25 150 71 66 25 M22 UC311 5.2
UCFL312 60 270 212 33 22 56 31 160 78 71 26 M27 UC312 6.3
UCFL313 65 295 240 33 25 58 31 175 78 75 30 M27 UC313 7.9
UCFL314 70 315 250 36 28 61 35 185 81 78 33 M30 UC314 9.3
UCFL315 75 320 260 39 30 66 35 195 89 82 32 M30 UC315 10.6
UCFL316 80 355 285 38 32 68 38 210 90 86 34 M33 UC316 13.5
UCFL317 85 370 300 44 32 74 38 220 100 96 40 M33 UC317 15.2
UCFL318 90 385 315 44 36 76 38 235 100 96 40 M33 UC318 18
UCFL319 95 405 330 59 40 94 41 250 121 103 41 M36 UC319 22.7

Industrial applications of casing

For rotating and sliding parts, bushings are an important part of the machine. Due to their anti-friction properties and load-carrying capacity, they are an important part of many different industrial processes. Bushings play a vital role in industries such as construction, mining, hydropower, agriculture, transportation, food processing and material handling. To learn more about the benefits of bushings, read on. You’ll be amazed how much they can help your business!
bushing

type

When comparing enclosure types, consider the material and how it will be used. Oilite bushings are made of porous material that draws lubricant into the liner and releases it when pressure is applied. These are manufactured using a sintered or powered metal process. Copper and tin are the most commonly used materials for making copper bushings, but there are other types of metal bushings as well.
Another popular type is the plain bearing. This type reduces friction between the rotating shaft and the stationary support element. This type provides support and load bearing while relying on soft metal or plastic for lubrication. Journal bearings are used to support the linear motion of the engine crankshaft in large turbines. They are usually babbitt or hydrodynamic with a liquid film lubricant between the two halves.
The oil-impregnated paper sleeve is made of high-quality kraft insulating paper. These bushings contain two layers of capacitor grading, with the innermost layer electrically connected to the mounting flange. These are mature processes and are widely used in different voltage levels. CZPT Electric (Group) Co., Ltd. provides UHV DC and AC oil-impregnated paper wall bushings for environmental control rooms.
Electrical bushings are used to transmit electricity. These can be transformers, circuit breakers, shunt reactors and power capacitors. The bushing can be built into the bushing or through the bushing. The conductors must be able to carry the rated current without overheating the adjacent insulation. A typical bushing design has a conductor made of copper or aluminum with insulation on all other sides. If the bushing is used in a circuit, the insulation needs to be high enough to prevent any leakage paths.
Voltage and current ratings of electrical bushings. Solid type electrical bushings typically have a center conductor and a porcelain or epoxy insulator. These bushings are used in small distribution transformers and large generator step-up transformers. Their test voltage is typically around 70 kV. Subsequent applications of this bushing may require a lower halfway release limit. However, this is a common type for many other applications.
bushing

application

Various industrial applications involve the use of casing. It is an excellent mechanical and chemical material with a wide range of properties. These compounds are also packaged according to national and international standards. Therefore, bushings are used in many different types of machines and equipment. This article will focus on the main industrial applications of casing. This article will also explain what a casing is and what it can do. For more information, click here. Casing application
Among other uses, bushing assemblies are used in aircraft and machinery. For example, a fuel tank of an aircraft may include baffle isolator 40 . The bushing assembly 16 serves as an interface to the fuel tank, allowing electrical current to flow. It can also be used to isolate one component from another. In some cases, bushing assemblies are used to provide a tight fit and reduce electrical resistance, which is important in circuits.
The benefits of casing go beyond reducing energy transmission. They reduce lubrication costs. If two metal parts are in direct contact, lubrication is required. Thus, the bushing reduces the need for lubrication. They also allow parts of the car to move freely. For example, rubber bushings may begin to deteriorate due to high internal temperatures or cold weather. Also, oil can affect their performance.
For example, bushing CTs in oil and gas circuit breakers are used as window current transformers. It consists of a toroidal core and secondary windings. The center conductor of the bushing acts as the single-turn primary of the BCT. By tapping the secondary winding, the ratio between primary and secondary can be changed. This information can be found on the asset nameplate.
Among other uses, bushings are used in diagnostic equipment. These components require precise positioning. Fortunately, air sleeves are perfect for this purpose. Their frictionless operation eliminates the possibility of misalignment. In addition, products based on porous media help minimize noise. A casing manufacturer can advise you on the best product for your equipment. Therefore, if you are looking for replacement bushings for your existing equipment, please feel free to contact Daikin.

Material

Dry ferrule cores were selected for study and examined under an Olympus polarizing microscope (BX51-P). Core slices showing layers of aluminum foil with a distance of approximately 2 cm between adjacent capacitor screens. The aluminum foil surface has a multi-layered structure with undulations due to shrinkage and crepe. Differences between the two types of foils are also revealed.
A typical metal bushing material consists of a high-strength metal backing and a solid lubricant. These materials have higher load-carrying capacity and low friction during operation. Additionally, they are precision machined to tight tolerances. They also offer better thermal conductivity and better fatigue resistance. The accuracy of the metal bushing is improved due to the re-machining process that takes place after the bearing is assembled. Additionally, metal bushing materials are more resistant to wear than plastic bushing materials.
Plastic bushings are relatively inexpensive and readily available off the shelf. Also, the price of custom plastic bushings is relatively low. However, they are not recommended for heavy duty applications. Plastics degrade under high loads and can damage mating parts. Also, if the plastic bushings are not manufactured accurately, they can become misaligned. These are just some of the reasons for choosing metal bushings over plastic.
A mechanically bonded bushing 40 is placed over the stabilizer bar and compressed into the outer sleeve/bracket assembly. The outer metal member includes slotted holes that compensate for the tolerance stacking between the first and second bushing assemblies. Pre-assembly allows the assembly plant to receive a complete assembly ready for vehicle assembly, rather than sub-assembly at the vehicle manufacturing plant.
bushing

cost

Control arm bushings are a major component of modern vehicle suspension systems. Damaged bushings can negatively affect the handling and performance of your car. Replacing bushings on a car can cost $200 to $500. While that’s pretty cheap for a handful of control bushings, replacing the entire suspension system could set you back over $1,200. Thankfully, if you want to repair or replace the bushing yourself, you can do it yourself for a fraction of the cost.
If you decide to replace the control arm bushing yourself, it’s best to shop around for the best price. Many auto parts stores offer cheaper bushings that you don’t have to spend a fortune on. Even if you don’t drive for years, rubber can degrade and create cracks in the material. These cracks can be as deep as three-eighths of an inch. This makes it dangerous to drive a car with damaged control arm bushings.
Hiring a mechanic might be a good idea if you don’t like doing the work yourself. You can save money and time by repairing the control arm yourself, but you may have to hire a mechanic to do the job. Replacing the front sway bar bushing alone can cost between $450 and $900. While these components are relatively inexpensive, you can replace them for a better-handling car.
In some cases, sizing the bushings is a more economical option, but if you want to replace your entire suspension system, it’s better to buy a brand new lower limit. You can even save labor by buying a replacement part fork with a good lower portion. In addition to improving your car’s handling and ride, new bushings will add to your car’s overall value. If you are not sure which parts you need, ask your mechanic for a quote.
While the cost of replacing control arm bushings is relatively low, it’s a good idea to compare quotes from multiple mechanics. By getting multiple quotes for the same repair, you can save as much as $50 to $100 on the total cost of your car. In addition to labor costs, parts and labor can vary, so shop around to find the mechanic best suited for your car. There’s no reason to settle for sub-par service when you can save $50 or more!

China Factory UC309 Bearing Insert Pillow Block Bearings Used for Agricultural/Industry Machinery UCFL309/UCP309/Ucf309/UCT309/Ucfa309 Ball/Roller/Cage Needle Bearing     double row ball bearingChina Factory UC309 Bearing Insert Pillow Block Bearings Used for Agricultural/Industry Machinery UCFL309/UCP309/Ucf309/UCT309/Ucfa309 Ball/Roller/Cage Needle Bearing     double row ball bearing
editor by czh 2022-11-28