China high quality Double Row Bearing Supplier 3056319 Angular Contact Ball Bearing 3319m 3319atn 3318m 3317m Precision Bearing Nskntnskfkoyotimkenina wheel bearing

Product Description

 

Product Description

3319 Angular Contact Ball Bearing Specifications
Bearing Type    25 deg contact angle    
Bore Dia (d)   90.000    mm
Outer Dia (D)   200.000    mm
Radius (min) (rs)    0.60    mm
Dynamic Load Rating (Cr)    6,300    N
Static Load Rating (Cor)    3,700    N
Max Speed (Grease)    53,000    rpm
Max Speed (Oil)    80,000    rpm
Width (B)   77.8.000    mm
Radius (min) (rs1)    0.15    mm
Shaft (Fw)    0.15    mm
Material    52100 Chrome steel (or equivalent)    

 

Angular contact ball bearings are nonseparable bearings with a defined contact angle in the radial direction relative to the straight line that runs through the point where each ball makes contact with the inner and outer rings. In addition to radial loads, angular contact ball bearings can accommodate single direction axial loads. Since an axial load is generated from a radial force, these bearings are generally used in pairs. Typically ideal for machine tools, feed screw mechanisms, ball screw support units, etc.

 

 

 

Applications
 

Because they can bear heavy loads, angular contact bearings are used for heavy machinery and agricultural equipment. These bearings help run pumps, electric motors, gearboxes, steel mills, windmills, conveyors, and other high-speed applications.

Single Row Angular Contact Ball Bearing

Bearing type Boundary Dimensions(mm) Load Rating
(kn)
Speed Rating(ipm) Weight
New Model Old Model    d D B Dymamic Cr Static Cor Grease
lubrication
Oil
lubrication
Weight
(kg)
7000AC 46100 10 26 8 5 2.35 34000 42000 0.571
7001AC 46101 12 28 8 5.4 2.75 29000 37000 0.571
7002AC 46102 15 32 9 6.1 3.45 26000 32000 0.035
7003AC 46103 17 35 10 6.75 4.15 23000 28000 0.045
7004AC 46104 20 42 12 10.3 6.1 19000 24000 0.079
7005AC 46105 25 47 12 11.3 7.4 17000 21000 0.091
7006AC 46106 30 55 13 14.5 10.1 14000 18000 0.133
7007AC 46107 35 62 14 17.5 12.6 12000 15000 0.17
7008AC 46108 40 68 15 18.7 14.6 11000 14000 0.21
7009AC 46109 45 75 16 22.2 17.7 10000 12000 0.26
7571AC 46110 50 80 16 23.6 20.1 9200 11000 0.29
7011AC 46111 55 90 18 31.1 26.3 8300 10000 0.42
7012AC 46112 60 95 18 31.9 28.1 7700 9700 0.45
7013AC 46113 65 100 18 33.7 31.4 7200 9000 0.47
7014AC 46114 70 110 20 42.7 39.4   8300 0.66
7015AC 46115 75 115 20 43.6 41.7 6300 7800 0.69
7016AC 46116 80 125 22 53.4 50.6 5800 7200 0.93
7017AC 46117 85 130 22 54.6 53.7 5500 6800 0.97
7018AC 46118 90 140 24 65.2 63.3 5100 6400 1.26
7019AC 46119 95 145 24 66.6 67.1 4800 6000 1.32
7571AC 46120 100 150 24 68.4 70.6 4700 5900 1.37
7571AC 46121 105 160 26 79.8 81.9 4400 5500 1.73
7571AC 46122 110 170 28 91.9 92.8 4200 5200 2.14
7571AC 46124 120 180 28 96.6 103 3900 4900 2.27
7026AC 46126 130 200 33 117 125 3500 4400 3.43
7571AC 46128 140 210 33 120 133 3300 4100 3.64
7030AC 46130 150 225 35 137 154 3000 3800 4.43
7032AC 46132 160 240 38         5.02
7034AC 46134 170 260 42 186 214 2600 3200 7.56
7038AC 46138 190 290 46 217 268 2300 2800 10.8
7040AC 46140 200 310 51 244 309 2100 2600 12.7

 

Bearing type Boundary Dimensions(mm) Load Rating
(kn)
Speed Rating(ipm) Weight
New Model Old Model    d D B Dymamic Cr Static Cor Grease
lubrication
Oil
lubrication
Weight
(kg)
7200AC 46200 10 30 9 4.65 2.2 29000 37000 0.031
7201AC 46201 12 32 10 7.45 3.65 27000 34000 0.038
7202AC 46202 15 35 11 8.1 4.25 24000 29000 0.048
7203AC 46203 17 40 12 10.2 5.5 21000 26000 0.07
7204AC 46204 20 47 14 14.5 8.4 17000 22000 0.112
7205AC 46205 25 52 15 15.3 9.5 15000 19000 0.135
7206AC 46206 30 62 16 21.3 13.7 13000 16000 0.208
7207AC 46207 35 72 17 28.1 18.6 11000 14000 0.295
7208AC 46208 40 80 18 33.6 23.3 10000 12000 0.382
7209AC 46209 45 85 19 37.7 26.6 9400 12000 0.43
7210AC 46210 50 90 20 39.4 41.3 8500 11000 0.485
7211AC 46211 55 700 21 48.7 37.1 7600 9500 0.635
7212AC 46212 60 110 22 58.9 45.7 6900 8600 0.82
7213AC 46213 65 120 23 67.3 54.2 6400 8000 1.02
7214AC 46214 70 125 24 69.8 55.6 6100 7600 1.12
7215AC 46215 75 130 25 79.2 65.2 5800 7200 1.23
7216AC 46216 80 140 26 85.3 71.5 5400 6700 1.5
7217AC 46217 85 150 28 98.6 83.6 5000 6300 1.87
7218AC 46218 90 760 30 113 96.7 4700 5900 2.3
7219AC 46219 95 770 32 122 103 4400 5500 2.78
7220AC 46220 100 180 34 137 117 4100 5200 3.32
7221AC 46221 105 190 36 149 132 3900 4900 3.95
7222AC 46222 110 200 38 162 148 3700 4600 4.65
7224AC 46224 130 215 40 174 166 3400 4300 5.49
7226AC 46226 130 230 40 196 198 3200 4000 6.21
7228AC 46228 140 250 42 218 234 2900 3600 7.76
7232AC 46232 160 290 48 230 263 2500 3100 12.1
7234AC 46234 170 370 52 272 331 2300 2800 15.1
7236AC 46236 180 320 52 293 362 2200 2700 15.7
7240AC 46240 200 360 58 324 432 1900 2400 22.4
7244AC 46244 220 400 65 358 482 1100 1600 38.5

 

Bearing type Boundary Dimensions(mm) Load Rating Speed Rating(ipm) Weight
(kn)
New Model Old Model    d D B Dymamic Cr Static Cor Grease Oil Weight
lubrication lubrication (kg)
7300AC 46300 10 35 11 8.5 3.75 27000 33000 0.054
7301AC 46301 12 37 12 10.2 4.6 24000 31000 0.065
7302AC 46302 15 42 13 12.5 6.45 20000 25000 0.088
7303AC 46303 17 47 14 14.9 7.9 18000 23000 0.12
7304AC 46304 20 52 15 17.4 9.4 17000 21000 0.15
7305AC 46305 25 62 17 24.8 14.4 14000 17000 0.243
7306AC 46306 30 72 19 30.1 18.9 12000 14000 0.362
7307AC 46307 35 80 21 35.4 22 10000 13000 0.475
7308AC 46308 40 90 23 43.2 27.4 9200 12000 0.657
7309AC 46309 45 100 25 55.1 37.1 8200 10000 0.875
7310AC 46310 50 170 27 70.1 48.7 7300 9100 1.14
7311AC 46311 55 120 29 80.9 56.5 6700 8400 1.45
7312AC 46312 60 130 31 92.5 65.6 6200 7700 1.81
7313AC 46313 65 140 33 105 75.3 5800 7200 2.22
7314AC 46314 70 150 35 118 85.8 5400 6700 2.7
7315AC 46315 75 160 37 128 97 5000 6300 3.15
7316AC 46316 80 170 39 139 109 4700 5900 3.85
7317AC 46317 85 180 41 150 122 4400 5500 4.53
7318AC 46318 90 190 43 161 135 4200 5200 5
7319AC 46319 95 200 45 172 149 4000 4900 6.12
7320AC 46320 100 215 47 184 161 3600 4600 7.53
7321AC 46321 105 225 49 208 193 3500 4400 8.62
7322AC 46322 110 240 50 232 226 3200 4000 10.7
7324AC 46324 120 260 55 246 252 3000 3700 12.6
7326AC 46326 130 280 58 301 329 2700 3400 15.4
7328AC 46328 140 300 62 329 374 2500 3200 18.8
7330AC 46330 150 320 65 348 414 2300 2900 22.4
7332AC 46332 160 340 68 365 455 2200 2700 26.4
7334AC 46334 170 360 72 389 485 2000 2500 31.2
7336AC 46336 180 380 75 409 534 1900 2400 40
7338AC 46338 190 400 78 450 598 1800 2200 45.5
7340AC 46340 200 420 80 474 658 1700 2100 52
 
7406AC 46406 30 90 23   0.960
7407AC 46407 35 100 25   1.140
7408AC 46408 40 110 27   1.400
7409AC 46409 45 120 29   1.800
7410AC 46410 50 130 31   2.250
7411AC 46411 55 140 33   2.750
7412AC 46412 60 150 35   3.400
7413AC 46413 65 160 37   4.200
7414AC 46414 70 180 42   5.800
7415AC 46415 75 190 45   7.000
7416AC 46416 80 200 48   8.000

 

Bearing type Boundary Dimensions(mm) Load Rating
(kn)
Speed Rating(ipm) Weight
New Model Old Model    d D B Dymamic Cr Static Cor Grease
lubrication
Oil
lubrication
Weight
(kg)
7204BTN 66204 20 47 14 14.5 8.4 17000 22000 0.112
7205BTN 66205 25 52 15 15.3 9.5 15000 19000 0.135
7206BTN 66206 30 62 16 21.3 13.7 13000 16000 0.208
7207BTN 66207 35 72 17 28.1 18.9 11000 14000 0.295
7208BTN 66208 40 80 18 33.6 23.3 10000 12000 0.382
7209BTN 66209 45 85 19 37.7 27 9400 12000 0.43
7210BTN 66210 50 90 20 39.4 41.3 8500 11000 0.485
7211BTN 66211 55 100 21 48.7 37.1 7600 9500 0.635
7212BTN 66212 60 110 22 58.9 45.7 6900 8600 0.82
7213BTN 66213 65 120 23 67.3 54.2 6400 8000 1.02
7214BTN 66214 70 125 24 69.8 55.6 6100 7600 1.12
7215BTN 66215 75 130 25 79.2 65.2 5800 7200 1.23
7216BTN 66216 80 140 36 85.3 71.5 5400 6700 1.5
7217BTN 66217 85 150 28 98.6 83.6 5000 6300 1.87
7218BTN 66218 90 160 30 113 96.7 4700 5900 2.3
7219BTN 66219 95 170 32 122 103 4400 5500 2.78
7220BTN 66220 100 180 34 137 117 4700 5200 3.32
7221BTN 66221 105 190 36 149 132 3900 4900 3.95
7222BTN 66222 110 200 38 162 148 3700 4600 4.65
7224BTN 66224 120 215 40 174 166 3400 4300 5.49
7226BTN 66226 130 230 40 196 198 3200 4000 6.21
7228BTN 66228 140 250 42 218 234 2900 3600 7.76

 

Bearing type Boundary Dimensions(mm) Load Rating Speed Rating(ipm) Weight
(kn)
New Model Old Model    d D B Dymamic Cr Static Cor Grease Oil Weight
lubrication lubrication (kg)
7303BTN 66303 17 47 14 14.9 7.9 18000 23000 0.12
7304BTN 66304 20 52 15 17.4 9.4 17000 21000 0.15
7305BTN 66305 25 62 17 24.8 14.4 14000 77000 0.243
7306BTN 66306 30 72 19 30.1 19 12000 14000 0.362
7307BTN 66307 35 80 21 35.4 22 10000 13000 0.475
7308BTN 66308 40 90 23 43.2 27.4 9200 12000 0.657
7309BTN 66309 45 100 25 55.1 37.1 8200 10000 0.875
7310BTN 66310 50 110 27 70.1 48.1 7300 9100 1.14
7311BTN 66311 55 120 29 80.9 56.5 6700 8400 1.45
7312BTN 66312 60 130 31 92.5 65.6 6200 7700 1.81
7313BTN 66313 65 140 33 105 75.3 5800 7200 2.22
7314BTN 66314 70 150 35 118 85.8 5400 6700 2.7
7315BTN 66315 75 160 37 128 97 5000 6300 3.15
7316BTN 66316 80 170 39 139 109 4700 5900 3.85
7317BTN 66317 85 180 41 150 122 4400 5500 4.53
7318BTN 66318 90 190 43 161 135 4200 5200 5.3
7319BTN 66319 95 200 45 172 149 4000 4900 6.12
7320BTN 66320 100 215 47 184 161 3600 4600 7.53
7321BTN 66321 105 225 49 208 193 3500 4400 8.62
7322BTN 66322 110 240 50 232 226 3200 4000 10.1
7324BTN 66324 120 260 55 246 252 3000 3700 12.6

 

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. 

FAQ

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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Contact Angle: 25°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

tapered roller bearing

What Advantages do Tapered Roller Bearings Offer Compared to Other Bearing Types?

Tapered roller bearings offer several advantages that make them a preferred choice in various applications compared to other bearing types. These advantages stem from their unique design and capabilities. Here’s a look at the benefits of tapered roller bearings:

  • High Load-Carrying Capacity:

Tapered roller bearings can handle both radial and axial loads simultaneously, making them suitable for applications with combined loads. Their conical geometry allows for effective load distribution, enabling them to support heavy loads without premature wear.

  • Efficient Axial Load Handling:

Tapered roller bearings excel at managing axial (thrust) loads in one direction. This capability is crucial in applications where axial loads are present, such as automotive transmissions or industrial machinery.

  • Reduced Friction and Heat Generation:

The conical shape of the rollers and the matching raceways result in point contact, reducing friction and minimizing heat generation. This efficiency contributes to improved overall performance and energy savings.

  • Adjustable Clearance and Preload:

Tapered roller bearings often allow for adjustable internal clearance or preload. This feature enables fine-tuning of the bearing’s play, optimizing performance and extending the bearing’s lifespan.

  • High Precision:

Tapered roller bearings are available in various precision classes to meet different application requirements. Their precision makes them suitable for applications demanding accurate motion control and positioning.

  • Versatility:

Tapered roller bearings are used in a wide range of industries and applications, from automotive and heavy machinery to aerospace and industrial equipment. Their ability to handle diverse loads and conditions contributes to their versatility.

  • Durability:

Tapered roller bearings are designed to withstand shocks and impacts, making them suitable for applications with dynamic loads or vibrations. Their robust construction contributes to their overall durability.

  • High-Speed Capability:

Tapered roller bearings can operate at high speeds due to their efficient contact geometry and reduced friction. This makes them suitable for applications requiring rapid rotation.

  • Cost-Effectiveness:

While the initial cost may vary, tapered roller bearings are often cost-effective due to their long service life and ability to handle heavy loads. Their durability can lead to reduced maintenance and replacement costs over time.

  • Compatibility with Combined Loads:

Tapered roller bearings are well-suited for applications where radial and axial loads occur simultaneously, eliminating the need for multiple bearing types and simplifying design and installation.

In summary, tapered roller bearings offer a combination of load-carrying capacity, efficiency, adjustability, precision, and versatility that sets them apart from other bearing types. Their ability to handle a variety of loads and conditions makes them an advantageous choice in numerous industrial applications.

tapered roller bearing

How does Proper Lubrication Impact the Performance and Longevity of Tapered Roller Bearings?

Proper lubrication is essential for ensuring optimal performance and longevity of tapered roller bearings. Lubrication plays a critical role in reducing friction, preventing wear, and managing heat generated during operation. Here’s how proper lubrication impacts tapered roller bearings:

  • Reduced Friction:

Lubrication forms a thin film between the rolling elements and raceways, reducing direct metal-to-metal contact. This minimizes friction and the associated heat generation, allowing the bearing to operate smoothly and efficiently.

  • Wear Prevention:

Lubrication forms a protective barrier that prevents wear and surface damage. Without proper lubrication, friction can lead to accelerated wear, pitting, and even surface scoring, shortening the bearing’s lifespan.

  • Heat Dissipation:

Effective lubrication helps dissipate heat generated during operation. This is especially crucial in high-speed applications where excessive heat can lead to premature bearing failure or degradation of lubricant properties.

  • Corrosion Protection:

Lubrication helps create a barrier that protects bearing surfaces from environmental factors that could lead to corrosion. This is particularly important in applications exposed to moisture, chemicals, or other corrosive agents.

  • Noise and Vibration Reduction:

Proper lubrication can dampen vibrations and reduce noise by providing a cushioning effect between the rolling elements and raceways. This contributes to smoother and quieter operation.

  • Longevity:

Well-lubricated bearings experience less wear and stress, leading to extended service life. Bearings that are inadequately lubricated or run dry are prone to premature failure due to excessive wear, heat buildup, and damage to bearing surfaces.

  • Efficiency:

Adequate lubrication maintains the bearing’s efficiency by minimizing energy losses due to friction. Bearings that lack proper lubrication require more energy to overcome higher friction levels, resulting in reduced efficiency.

  • Lubrication Methods:

Various lubrication methods are available, including grease lubrication and oil lubrication. The choice depends on factors such as speed, load, temperature, and application requirements.

To ensure proper lubrication:

  • Follow Manufacturer Recommendations:

Consult the bearing manufacturer’s recommendations for lubricant type, viscosity, and replenishment intervals.

  • Monitor and Maintain:

Regularly monitor the condition of the lubricant and the bearing’s performance. Implement a maintenance schedule for lubricant replacement or replenishment.

  • Environmental Considerations:

Consider the operating environment’s temperature, contamination levels, and exposure to external elements. Some applications may require special lubricants for extreme conditions.

In summary, proper lubrication is crucial for maintaining tapered roller bearings’ performance, preventing wear, reducing friction and heat, and extending their lifespan. A well-lubricated bearing contributes to smoother operation, lower maintenance costs, and improved efficiency.

tapered roller bearing

What are the Common Signs of Wear or Damage in Tapered Roller Bearings?

Identifying signs of wear or damage in tapered roller bearings is crucial for maintaining optimal performance and preventing costly failures. Here are the common signs to look for:

  • Abnormal Noise:

Unusual noises, such as grinding, clicking, or rumbling sounds, may indicate damage within the bearing. These noises could result from worn rollers, raceways, or insufficient lubrication.

  • Vibration:

Excessive vibration or unusual vibrations not typically present during operation may indicate an issue with the bearing. Vibration can result from misalignment, worn components, or uneven loading.

  • Increased Operating Temperature:

If the bearing becomes excessively hot during operation, it could indicate inadequate lubrication, excessive friction, or other issues. Monitoring temperature changes can help identify potential problems.

  • Irregular Rotation:

If the bearing experiences irregular rotation, such as sticking or rough movement, it could be due to damaged rollers, misalignment, or improper preload.

  • Visible Wear:

Inspect the bearing for visible signs of wear or damage, such as pitting, scoring, discoloration, or deformation of the bearing components.

  • Increased Noise or Vibration Under Load:

If the bearing makes more noise or vibrates noticeably when subjected to load, it could indicate that the bearing is unable to handle the applied load properly.

  • Uneven Wear:

Uneven wear patterns on the rollers or raceways can suggest misalignment or inadequate lubrication, causing the bearing to experience uneven loading.

  • Loss of Performance:

If the bearing’s performance decreases, such as reduced efficiency or increased friction, it may indicate wear, contamination, or other issues affecting the bearing’s operation.

  • Looseness or Play:

If there’s excessive play or looseness in the bearing assembly, it could be a sign of worn components or inadequate preload, impacting the bearing’s stability and performance.

  • Leaks or Contaminants:

Inspect for leaks of lubricant or the presence of contaminants around the bearing. Leaks can indicate seal damage, and contaminants can accelerate wear.

  • Observable Damage to Components:

If any bearing components, such as rollers, cages, or raceways, appear visibly damaged or deformed, immediate attention is necessary to prevent further issues.

Regular inspection and maintenance are essential to catch these signs early and prevent further damage. Addressing wear or damage promptly can extend the bearing’s lifespan and avoid costly downtime.

China high quality Double Row Bearing Supplier 3056319 Angular Contact Ball Bearing 3319m 3319atn 3318m 3317m Precision Bearing Nskntnskfkoyotimkenina   wheel bearingChina high quality Double Row Bearing Supplier 3056319 Angular Contact Ball Bearing 3319m 3319atn 3318m 3317m Precision Bearing Nskntnskfkoyotimkenina   wheel bearing
editor by CX 2024-05-16

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