China high quality Good Quality Motor / Motorcycle / Automobile / Instrument Bearing 1307 Self-Aligning Ball Bearing 35X80X21mm with Best Sales

Product Description

Product Description

Self-aligning ball bearings are double row, self-retaining units comprising solid outer rings with a concave raceway, inner rings with a cylindrical or tapered bore and ball and cage assemblies. The bearings are available in open and sealed versions.

 

Constructed with the inner ring and ball assembly contained within an outer ring which has a spherical raceway for self aligning this type of bearing is particularly suitable for applications where misalignment occurs from errors in mounting or from shaft deflection.

Dimensions(mm) Basic Load Rating(N) Weight  
Bearing Number d D B Dyn.C Stat.C0 kg
1200 10 30 9 5480 1200 0.034
1201 12 32 10 5550 1250 0.04
1202 15 35 11 7480 1750 0.049
1203 17 40 12 7900 2571 0.073
1204 20 47 14 9950 2650 0.116
1205 25 52 15 12000 3300 0.14
1206 30 62 16 15800 4700 0.22
1207 35 72 17 15800 5080 0.32
1208 40 80 18 19200 6400 0.415
1209 45 85 19 21800 7320 0.465
1210 50 90 20 22800 8080 0.531
1211 55 100 21 26800 10000 0.705
1212 60 110 22 35710 11500 0.9
1213 65 120 23 31000 12500 1.15
1214 70 125 24 34500 13500 1.24
1215 75 130 25 38800 15200 1.39
1216 80 140 26 39500 16800 1.7
1217 85 150 28 48800 20500 2.06
1218 90 160 30 56500 23200 2.59
1219 95 170 32 63500 27000 3.1
1220 100 180 34 67400 28400 3.7
1224 120 215 42 117000 51000 6.77
1300 10 35 11 7220 1620 0.058
1301 12 37 12 9420 2120 0.067
1302 15 42 13 9500 2280 0.094
1303 17 47 14 12500 3180 0.13
1304 20 52 15 12500 3380 0.165
1305 25 62 17 17800 5050 0.255
1306 30 72 19 21500 6280 0.385
1307 35 80 21 25000 7950 0.51
1308 40 90 23 29500 9500 0.715
1309 45 100 25 38000 12800 0.955
1310 50 110 27 43200 14200 1.2
1311 55 120 29 51500 18200 1.6
1312 60 130 31 57200 21200 1.95
1313 65 140 33 61800 22800 2.42
1314 70 150 35 74500 27500 3
1315 75 160 37 79000 29800 3.55
1316 80 170 39 86700 31400 4.17
1317 85 180 41 97800 37800 5
1318 90 190 43 115000 42000 5.8
1318 90 190 43 115000 42000 5.8
1319 95 200 45 132000 50800 6.7
1320 100 215 47 141000 55000 8.3
1322 110 240 50 161000 70000 12
2200 10 30 14 8000 1800 0.048
2201 12 32 14 8400 1900 0.052
2202 15 35 14 8600 2000 0.056
2203 17 40 16 10400 2500 0.087
2204 20 47 18 16400 4100 0.13
2205 25 52 18 15200 3900 0.16
2206 30 62 20 15200 4600 0.26
2207 35 72 23 21800 6650 0.405
2208 40 80 23 22500 7380 0.505
2209 45 85 23 23200 8000 0.54
2210 50 90 23 23200 8450 0.58
2211 55 100 25 26800 9950 0.8
2212 60 110 28 34000 12500 1.09
2213 65 120 31 43500 16200 1.45
2214 70 125 31 44000 17000 1.5
2215 75 130 31 44200 18000 1.6
2216 80 140 33 48800 25710 2.15
2217 85 150 36 58200 23500 2.67
2218 90 160 40 70000 28500 3.37
2220 100 180 46 97200 40500 4.94
2300 10 35 17 10000 2100 0.08
2301 12 37 17 11400 2600 0.091
2302 15 42 17 11800 2800 0.108
2303 17 47 19 14300 3500 0.168
2304 20 52 21 17800 4750 0.21
2305 25 62 24 24500 6480 0.335
2306 30 72 27 31500 8680 0.5
2307 35 80 31 39200 11000 0.675
2308 40 90 33 44800 13200 0.925
2309 45 100 36 55000 16200 1.23
2310 50 110 40 64500 19800 1.63
2311 55 120 43 75200 23500 2.09
2312 60 130 46 86800 27500 2.6
2313 65 140 48 96000 32500 3.2
2314 70 150 51 110000 37500 3.92
2315 75 160 55 122000 42800 4.78
2316 80 170 58 128000 45500 5.65

 

Features of self-aligning ball bearings:

APPLICATION

Applied in heavy loading and impact loading, such as precision instruments, low noise machine, automobile, motorcycle, metallurgy, rolling mill, mine, petroleum, paper making, cement, the sugar industry and etc. Self-Aligning Ball Bearings are used for commercial ground shafting applications.

 

Packaging & Shipping

Please contact us for more pictures of different packing.

Universal Packing

Without any logo on bearings or packing.

JDZ Packing

With our brand JDZ on bearings and packing.

Customized Packing

Depends on buyer’s requirements.

Original Brand Packing

Bearing and packing are both original. Please contact us for pictures.

 

 

QUALITY ASSURANCE

100% Quality inspection to ensure the bearings are with good quality before shipping. 

Company Profile

 

 

ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China. 
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments. 

We can provide all types bearings and OEM service according to customers’ requirements. 

Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.

We are a trusted and reliable bearing supplier, choose us to be your good partner!

 

Our Advantages:
 

1.  Professional production team with advanced production equipment and testing instruments. 
2.  Many years of export experience can provide customers with better service and problem-solving capabilities.
3.  Customers all over the world enable us to better understand the market and provide customers with suitable bearings.
4.  Sincerity, cooperation, mutual and provide good quality bearings for clients are the development idea of our company.
5.  Quick delivery, shipping goods on time. Save more time and cost for all customers. 

 

More choices

 

RFQ:

1. Q: Are you trading company or manufacturer ?
   A: We have our own factory , our type is factory + trade.

2. Q: Could you accept OEM and customize?
    A: Yes, we can customize products according to your sample or drawing.

3. Q: How long is your delivery time? 
    A: If stock, within 7 days to ship or based on your order quantity.

4. Q: Could you supply sample for free? 
    A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?

More details, please contact with us. Thanks for your time!

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Bearing Type: Self-Aligning Ball Bearing
Number of Row: Double Row
Hardness: 58-62 HRC
Chamfer: Light Chamfer or Black Chamfer
Precision Rating: P0 P6 P5 P4 P2
Bearing Cage: Nylon / Steel / Brass Cage
Samples:
US$ 1/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

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 Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China high quality Good Quality Motor / Motorcycle / Automobile / Instrument Bearing 1307 Self-Aligning Ball Bearing 35X80X21mm   with Best SalesChina high quality Good Quality Motor / Motorcycle / Automobile / Instrument Bearing 1307 Self-Aligning Ball Bearing 35X80X21mm   with Best Sales
editor by CX 2024-05-10

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