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China wholesaler China Made SKF/NSK/NTN/Timken/Koyo/NACHI Machinery/Auto/Motorcycle Parts Wheel Inch Taper/Tapered/Spherical/Cylindrical/Needle/Thrust/Linear Roller Ball Bearing bearing assembly

Product Description

 

Product Description

Product details
   
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Tapered roller bearings are bearings that can take large axial forces (i.e., they are good thrust bearings) as well as being CZPT to sustain large radial forces.
The inner and outer ring raceways are segments of cones and the rollers are also made with a taper so that the conical surfaces of the raceways and the roller axes if projected, would all meet at a common point on the main axis of the bearing.
The rollers are guided by a flange on the inner ring. This stops the rollers from sliding out at high speed due to their momentum.
The larger the half angles of these cones the larger the axial force that the bearing can sustain.
Tapered roller bearings are separable and have the following components: outer ring, inner ring, and roller assembly (containing the rollers and a cage). The non-separable inner ring and roller assembly is called the cone, and the outer ring is called the cup.

 

Basic Nominal Bearing Dimensions Preferred Shoulder Diameters Basic Effective Limiting Weight
Load Ratings Center Load Speeds
Bearing d D T B C r1 r2    
No. (Min Inner Ring) (Min Out Ring) Cr Cor a Grease Oil (Approx.)
  mm mm mm mm mm mm mm KN KN mm rpm rpm kg
35713 17 40 13.25 12 11 1 1 20.91 21.92 9.9 9900 13000 0.078
35714 20 47 15.25 14 12 1 1 28.49 30.6 11.2 8800 12000 0.124
35715 25 52 16.25 15 13 1 1 32.67 36.97 12.5 7300 10000 0.151
35716 30 62 17.25 16 14 1 1 43.58 50.48 13.8 6300 8400 0.229
35717 35 72 18.25 17 15 1.5 1.5 54.28 63.47 15.3 5500 7400 0.328
35718 40 80 19.25 18 16 1.5 1.5 62.95 73.92 16.9 4900 6600 0.419
35719 45 85 20.75 19 16 1.5 1.5 67.84 83.58 18.6 4400 6000 0.474
35710 50 90 21.75 20 17 1.5 1.5 73.26 92.1 20 4000 5300 0.529
35711 55 100 22.75 21 18 2 1.5 90.51 113.7 21 3600 5000 0.74
35712 60 110 23.75 22 19 2 1.5 102.85 130.07 22 3400 4500 0.904
35713 65 120 24.75 23 20 2 1.5 118.81 152.69 23.5 3100 4200 1.18
35714 70 125 26.5 24 21 2 1.5 131.7 173.73 25.5 2900 4000 1.26
35715 75 130 27.5 25 22 2 1.5 138.06 185.45 27 2800 3800 1.41
35716 80 140 28.25 26 22 2.5 2 159.43 212.95 27.5 2600 3400 1.72
35717 85 150 30.5 28 24 2.5 2 176.34 236.95 30 2400 3200 2.14
35718 90 160 32.5 30 26 2.5 2 198.94 269.72 32 2200 3000 2.66
35719 95 170 34.5 32 27 3 2.5 255.76 309.23 34 2200 2800 3.07
35710 100 180 37 34 29 3 2.5 258 335 36 2000 2700 3.78
35711 105 190 39 36 30 3 2.5 287 380 38.1 1900 2500 4.51
35712 110 200 41 38 32 3 2.5 325 435 40.1 1800 2400 5.28
35714 120 215 43.5 40 34 3 2.5 345 470 44.4 1700 2200 6.28
35716 130 230 43.75 40 34 4 3 375 505 45.8 1500 2000 7.25
35718 140 250 45.75 42 36 4 3 390 515 48.9 1400 1900 8.74
☆We reserve the right to change specifications and other information included in this catalogue without notice.

Nominal Bearing Dimensions Preferred Shoulder Diameters Basic Load Effective Load Limiting  
Bearing d D T B C r1 r2 Ratings Center Speeds Weight
No. (Min Inner Ring) (Min Out Ring) Cr Cor a Grease Oil Kg
  mm mm mm mm mm mm mm KN KN mm rpm rpm kg
  mm mm mm mm mm mm mm KN KN mm rpm rpm kg
30302 15 42 14.25 13 11 1 1 23.2 21.6 9.6 9900 13000 0.094
30303 17 47 15.25 14 12 1 1 28.9 27.2 10.4 9000 12000 0.129
30304 20 52 16.25 15 13 1.5 1.5 35.5 34 11.1 8000 11000 0.165
30305 25 62 18.25 17 15 1.5 1.5 48.5 48.1 13 6700 8900 0.263
30306 30 72 20.75 19 16 1.5 1.5 60 63.1 15.3 5700 7600 0.387
30307 35 80 22.75 21 18 2 1.5 75.3 82.6 16.8 5000 6700 0.515
30308 40 90 25.25 23 20 2 1.5 91.5 107.6 19.5 4400 5900 0.747
30309 45 100 27.25 25 22 2 1.5 111 129.8 21.3 4000 5300 0.984
3571 50 110 29.25 27 23 2.5 2 133 152 23 3600 4800 1.31
3571 55 120 31.5 29 25 2.5 2 155 179 24.5 3300 4400 1.66
3571 60 130 33.5 31 26 3 2.5 183 214 26.5 3000 4000 2.06
3571 65 140 36 33 28 3 2.5 203 238 28.5 2800 3700 2.55
3571 70 150 38 35 30 3 2.5 230 272 30 2600 3500 3.06
3571 75 160 40 37 30 3 2.5 255 305 32 2400 3200 3.57
3 0571 80 170 42.5 39 33 3 2.5 297 350 34 2300 3000 4.41
3 0571 85 180 44.5 41 34 4 3 305 365 35.5 2100 2900 5.2
3 0571 90 190 46.5 43 36 4 3 270 320 37.5 1940 2640 6.03
3571 95 200 49.5 45 38 4 3 296 355 40 1900 2530 6.98
30320 100 215 51.5 47 39 4 3 365 445 41.5 1800 2400 8.56
30321 105 225 53.5 49 41 4 3 455 565 43.2 1700 2300 9.52
30322 110 240 54.5 50 42 4 3 485 595 45.1 1600 2200 11

Nominal Bearing Dimensions Preferred Shoulder Diameters Basic Load Effective Load Limiting  
Bearing d D T B C r1 r2 Ratings Center Speeds Weight
No. (Min Inner Ring) (Min Out Ring) Cr Cor a Grease Oil Kg
  mm mm mm mm mm mm mm KN KN mm rpm rpm kg
32004 20 42 15 15 12 0.6 0.6 24.9 27.9 10.5 9500 13000 0.097
32005 25 47 15 15 12 0.6 0.6 27.8 33.5 12 8000 11000 0.114
32006 30 55 17 17 13 1 1 37.5 46.5 13.5 6900 9200 0.166
32007 35 62 18 18 14 1 1 41.5 52.5 15.5 6100 8100 0.224
32008 40 68 19 19 15 1 1 50 65.5 15 5300 7100 0.273
32009 45 75 20 20 16 1 1 57.5 76.5 16.5 4800 6400 0.346
32571 50 80 20 20 16 1 1 62.5 88 17.5 4400 6000 0.366
32011 55 90 23 23 18 1.5 1.5 80.5 118 20 4000 5400 0.563
32012 60 95 23 23 18 1.5 1.5 82 123 21 3700 5000 0.576
32013 65 100 23 23 18 1.5 1.5 83 128 22.5 3400 4600 0.63
32014 70 110 25 25 19 1.5 1.5 105 160 24 3200 4300 0.848
32015 75 115 25 25 19 1.5 1.5 106 167 25.5 3000 4000 0.909
32016 80 125 29 29 22 1.5 1.5 139 216 27 2800 3700 1.28
32017 85 130 29 29 22 1.5 1.5 142 224 28.5 2600 3600 1.35
32018 90 140 32 32 24 2 1.5 168 270 30 2500 3300 1.79
32019 95 145 32 32 24 2 1.5 171 280 31.5 2400 3200 1.83
32571 100 150 32 32 24 2 1.5 170 281 32.5 2200 3000 1.91
32571 105 160 35 35 26 2.5 2 204 340 34.3 2100 2800 2.48
32571 110 170 38 38 29 2.5 2 236 390 35.9 2000 2700 3.09
32571 120 180 38 38 29 2.5 2 245 420 39.7 1800 2500 3.27
32026 130 200 45 45 34 2.5 2 320 545 43.9 1700 2200 5.06

Nominal Bearing Dimensions Preferred Shoulder Diameters Basic Load Effective Load Limiting  
Bearing d D T B C r1 r2 Ratings Center Speeds Weight
No. (Min Inner Ring) (Min Out Ring) Cr Cor a Grease Oil Kg
  mm mm mm mm mm mm mm KN KN mm rpm rpm kg
32203 17 40 17.25 16 14 1 1 27.3 28.3 11.5 9900 13200 0.102
32204 20 47 19.25 18 15 1 1 36.5 39.5 12.5 8800 12000 0.16
32205 25 52 19.25 18 16 1 1 42 47 14 7300 9810 0.187
32206 30 62 21.25 20 17 1 1 54.5 64 15.5 6300 8400 0.301
32207 35 72 24.25 23 19 1.5 1.5 72.5 87 17.5 5500 7400 0.457
32208 40 80 24.75 23 19 1.5 1.5 79.5 93.5 19 4900 6600 0.558
32209 45 85 24.75 23 19 1.5 1.5 82 100 20 4400 6000 0.607
32210 50 90 24.75 23 19 1.5 1.5 87.5 109 21 4000 5300 0.648
32211 55 100 26.75 25 21 2 1.5 108 134 22.5 3600 5000 0.876
32212 60 110 29.75 28 24 2 1.5 130 164 25 3400 4500 1.18
32213 65 120 32.75 31 27 2 1.5 159 206 27 3100 4200 1.58
32214 70 125 33.25 31 27 2 1.5 166 220 28.5 2900 4000 1.68
32215 75 130 33.25 31 27 2 1.5 168 224 30 2800 3800 1.74
32216 80 140 35.25 33 28 2.5 2 199 265 31 2600 3400 2.18
32217 85 150 38.5 36 30 2.5 2 224 300 33.5 2400 3200 2.75
32218 90 160 42.5 40 34 2.5 2 262 360 36 2200 3000 3.49
32219 95 170 45.5 43 37 3 2.5 299 415 39 2200 2800 4.3
32220 100 180 49 46 39 3 2.5 330 465 41.5 2000 2700 5.12
32221 105 190 53 50 43 3 2.5 380 540 44.8 1900 2500 6.25
32222 110 200 56 53 46 3 2.5 420 605 47.2 1800 2400 7.35
32224 120 215 61.5 58 50 3 2.5 460 680 52 1700 2200 9

 

Company Profile

HangZhou JPG bearing & Equipment co ltd

Excellent Manufacturer of Bearings
*The domentic Leading numerical control production equipment ensures the accuracy consisitency and stability of the products .
*Advanced production equipment and high quality tecnician team ensure the quality of bearing products .
*Advanced automation equipment ensure the quality of products while taking into account the production efficiency .
Leading Equipment

JPG Bearingis a comprehensive manufacture and service providers with world’s leading bearing manufacture process and management technique in china. We are selling all kinds of ball and roller bearings products with international standard and technology level of low noise, high load and long life. Welcome to inquiry!
 

Main products

1.Taper roller bearing

2.Deep groove ball bearing

3.cylindrical roller bearing

3.spherical roller bearing

4.linear bearing

5.pillow block bearing

6 OEM all knid of famous brand

7. Non-standard bearing

 

Quality Testing

Rigorous Testing

Perfect precision testing equipment ,fullly meet the requirements of bearing R&D and manufacturing .Strict and rigourour quality inspectors strictly abide by product quality standards and strictly control the whole process of products from test to prodution.

High -ending tessing equipment ,professional operation technicians and rigorous procrssing procedures an the guarantee of quality

with the unremitting purcuit of perfec products ,the company has established the industry’s top testing laboratory ,sound quality control rules,and a well -trained professional testing team.Every process from raw materials of finished products is sticklty tested to ensure high quality products. Delivere to the customer .
 

Packaging & Shipping

Packaging:
1. Neutral Package: Plastic Bag + Carton + Pallet;
2. Commercial Package: Plastic Bag + Box + Carton + Pallet;
3. As the clients’ requirement.

Delivery:
1. Less than 1000 pcs , we will send by express. ( Door to Door, Convenient ),
or by air transport. ( Fastest and safest, but expensive )
2. More than 1000pcs , we will send by sea. ( Cheapest, safe )

FAQ

FAQ
1. Can I get some samples?
A: Yes, sample is available for quality check and market test.

2. Can we do our logo or brand on the package?
A: Yes, we can do OEM.

3. What’s the delivery time?
A: It usually takes about 10-25 working days for production based on specifications for your order and quantity.

4. What’s your payment terms?
A: We usually accept T/T or L/C at sight as the main payment
terms, an d other payment can also be negotiated.

5. What’s your warranty terms?A: We offer different warranty time for different components,
please contact us for details
Payment:

1. Less than 1000 pcs , 100% T/T, Western Union in advance.
2. Between 1000-10000pcs, TT, Western Union, MoneyGram.
3. More than 10000pcs , TT, L/C ,Western Union, MoneyGram.
Dealing Process:

Send us inqry———Quotation———–Confirmation for all information———-Proforma Invoice————-Payment———–Shipping goods and documents.

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Item: 30200, 30300, 32000, 32200, 33200
Noise Level: Z1, Z2, Z3, Z4
Cage: Steel, Brass, Nylon
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|

Order Sample
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.





about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

linear bearing

Challenges and Solutions for Addressing Friction and Wear in Linear Bearings

Friction and wear are common challenges in linear bearings that can impact their performance and lifespan. Here are the challenges and some solutions to address them:

  • 1. Challenge: Friction:

Friction between the bearing components can lead to increased energy consumption, heat generation, and reduced efficiency.

  • Solution: Lubrication:

Proper lubrication is essential to minimize friction. Lubricants reduce the contact between moving parts, allowing smoother motion and reducing wear. Choosing the right lubricant and applying it correctly can significantly mitigate friction-related issues.

  • 2. Challenge: Wear:

Continuous movement can lead to wear on the bearing surfaces, affecting precision and performance over time.

  • Solution: Regular Maintenance:

Implementing a regular maintenance schedule can help monitor wear and replace worn components before they compromise performance. This includes cleaning, re-lubrication, and periodic inspection of the bearing’s condition.

  • 3. Challenge: Contaminants:

Dust, debris, and foreign particles can enter the bearing system, leading to increased friction and accelerated wear.

  • Solution: Sealing and Protection:

Using seals, covers, or protective enclosures can help prevent contaminants from entering the bearing system. These protective measures maintain the integrity of the lubricant and extend the bearing’s lifespan.

  • 4. Challenge: Improper Installation:

If linear bearings are not installed correctly, misalignment and uneven load distribution can contribute to friction and wear.

  • Solution: Precise Installation:

Follow manufacturer guidelines for proper installation, ensuring accurate alignment and even load distribution. This reduces the risk of premature wear and ensures optimal performance.

  • 5. Challenge: Inadequate Lubrication:

If the linear bearings are under-lubricated or over-lubricated, it can lead to increased friction and wear.

  • Solution: Lubrication Management:

Monitor and manage lubrication levels to ensure they are within the recommended range. Regularly assess the lubricant’s condition and replenish as needed to maintain optimal performance.

  • 6. Challenge: High Loads and Speeds:

High loads and speeds can increase friction and wear on linear bearings.

  • Solution: Proper Selection:

Select linear bearings that are designed to handle the specific loads and speeds of the application. This ensures that the bearings can operate effectively under the given conditions.

Addressing friction and wear challenges in linear bearings requires a combination of proper maintenance practices, appropriate lubrication, protective measures, and careful selection of bearings. By implementing these solutions, the performance and longevity of linear bearings can be optimized.

linear bearing

Recent Advancements in Linear Bearing Technology

Recent years have seen significant advancements in linear bearing technology, leading to improved performance, reliability, and versatility. Some notable developments include:

  • Nanotechnology: The integration of nanotechnology has allowed for the development of ultra-precision linear bearings with nanometer-scale accuracy. These bearings are ideal for applications requiring extremely fine movement and positioning.
  • Smart Bearings: Advances in sensor technology have enabled the creation of smart linear bearings that can monitor parameters like temperature, load, and vibration in real time. This data helps in predictive maintenance and optimizing operational efficiency.
  • Materials Innovation: New materials with enhanced properties, such as self-lubricating and corrosion-resistant coatings, have extended the lifespan of linear bearings and reduced the need for frequent lubrication and maintenance.
  • Compact Designs: Manufacturers are designing more compact linear bearings to suit space-constrained applications while maintaining high load capacity and precision.
  • Environmental Sustainability: There’s a growing emphasis on developing linear bearings with reduced environmental impact, including using eco-friendly materials and designs that require less energy to operate.
  • Integration of IoT: Linear bearings are being integrated into the Internet of Things (IoT) networks, allowing them to communicate with other equipment and systems for seamless automation and optimization.
  • Magnetic Levitation Bearings: Magnetic levitation (maglev) technology is being applied to linear bearings to create frictionless movement, reducing wear and enabling smoother and more precise motion.
  • Advanced Coatings: Coatings with enhanced wear resistance, low friction, and improved thermal properties are being applied to linear bearings, extending their service life in challenging environments.

These advancements have contributed to the expanding range of applications where linear bearings can be used, from aerospace and automotive industries to medical devices and consumer electronics. As technology continues to evolve, linear bearings will play a crucial role in enabling more efficient and precise motion control across various sectors.

linear bearing

Factors to Consider When Selecting a Linear Bearing

Choosing the right linear bearing for a specific application involves considering several critical factors to ensure optimal performance and longevity:

  • Load Requirements:

Determine the magnitude and direction of the loads the linear bearing will experience. Consider both static and dynamic loads to select a bearing with an appropriate load capacity.

  • Precision and Accuracy:

For applications requiring precise positioning, choose linear bearings with high precision and low backlash. Factors like repeatability and positional accuracy are crucial.

  • Speed and Acceleration:

Consider the speed and acceleration at which the linear bearing will operate. Higher speeds may require bearings with lower friction and better heat dissipation.

  • Environmental Conditions:

Assess the environmental factors such as temperature, humidity, and exposure to contaminants. Choose linear bearings with suitable materials and seals to withstand the conditions.

  • Space Constraints:

Take into account the available space for mounting the linear bearing. Some applications may have limited space, necessitating compact and lightweight bearing options.

  • Maintenance Requirements:

Consider the maintenance needs of the bearing. Bearings with self-lubricating properties or easy access for lubrication can reduce maintenance frequency.

  • Mounting and Configuration:

Choose a linear bearing that can be easily mounted and integrated into your system’s design. Consider factors like mounting orientation and available mounting surfaces.

  • Life Expectancy:

Estimate the expected lifespan of the linear bearing based on the application’s requirements. Select a bearing with a suitable design life to prevent premature failures.

  • Cost and Budget:

Balance the desired performance with the available budget. Opt for linear bearings that provide the necessary features without exceeding cost limitations.

  • Accessories and Add-ons:

Consider any additional accessories or add-ons, such as seals, lubrication systems, or end caps, that can enhance the bearing’s performance and protection.

  • Manufacturer and Supplier:

Choose reputable manufacturers and suppliers that offer reliable products and good customer support. Quality assurance and technical assistance are essential.

Overall, a comprehensive assessment of these factors will help you select the most suitable linear bearing for your specific application, ensuring optimal performance, longevity, and cost-effectiveness.

China wholesaler China Made SKF/NSK/NTN/Timken/Koyo/NACHI Machinery/Auto/Motorcycle Parts Wheel Inch Taper/Tapered/Spherical/Cylindrical/Needle/Thrust/Linear Roller Ball Bearing bearing assemblyChina wholesaler China Made SKF/NSK/NTN/Timken/Koyo/NACHI Machinery/Auto/Motorcycle Parts Wheel Inch Taper/Tapered/Spherical/Cylindrical/Needle/Thrust/Linear Roller Ball Bearing bearing assembly
editor by CX 2024-04-13