China supplier Bk1512 Drawn Cup Needle Roller Bearing for Textile Machinery carrier bearing

Product Description

 BK1512 Drawn Cup Needle Roller Bearing For Textile Machinery

                                                                                       

Product Name 

 BK1512 Drawn Cup Needle Roller Bearing For Textile Machinery

Brand

TFN / OEM

Model Number

BK1512

Dimension

15x21x12mm

Ring Material

Gcr15/ Carbon Steel/ Stainless Steel9

Cage Material 

Steel

Precision

P0, P6, P5, P4,P2 or as requested

Vibration

ZV1, ZV2, ZV3, or as requested

Clearance 

C0,C2,C3, or as requested 

Application

Widely used in various mechanical equipment such as machine tools, metallurgical machinery, textile machinery and printing machinery etc.

Features 

Long life, high temperature resistance, corrosion resistance, ultra high speed.

Quality standard

ISO9001:2000/ SGS

Quality Control Process 

1.Assembly

2.Windage test

3.Cleaning

4.Rotary test

5.Greasing and gland

6.Noise inspection

7.Appearance inspection

8.Rust prevention

9.Product packaging

Needle bearing

Needle roller bearings are roller bearings with cylindrical rollers that are thin and long relative to their diameter. This type of roller is called a needle roller. Despite the small cross-section, the bearing still has a high load bearing capacity, and the needle bearing is equipped with a thin and long roller (roller diameter D≤5mm, L/D≥2.5, L is the roller length), so The radial structure is compact, its inner diameter size and load capacity are the same as other types of bearings, the outer diameter is the smallest, and it is especially suitable for support structures with limited radial mounting dimensions.

Other Needle roller bearing models : 

Bearing Number Boundary dimensions(mm) Moment(Nm) Basic load ratings(N) Mass(g)
  Fw D C Md Cr Cor (Approx.)
HF3530 35 42 30 121 3900 3900 58
HF2520 25 32 20 66 5500 5500 30.9
HF3571 30 37 20 90 4500 4500 36
HF3520 35 42 20 121 3900 3900 40
HF1616 16 22 16 20.5 8500 7500 14
HF1816 18 24 16 24.1 7500 7500 15.5
HF2016 20 26 16 28.5 7000 6500 17
HF1012 10 14 12 5.3 14000 11000 4
HF1216 12 18 16 12.2 10000 7000 10.5
HF1416 14 20 16 17.3 9500 8000 13
HF0409 4 8 6 0.34 34000 14000 1
HF0612 6 10 12 1.76 23000 13000 3
Bearing Number Boundary dimensions(mm) Basic load ratings(N) Limiting speeds(rpm) Mass(g)
  Fw Ew Bc Cr Cor Oil (Approx.)
K5X8X10TN 5 8 10 2800 2450 37000 0.9
K5X8X8TN 5 8 8 2300 1880 37000 0.7
K6X10X13TN 6 10 13 3500 2800 33000 1.3
K6X9X10TN 6 9 10 3300 3100 35000 1
K6X9X8TN 6 9 8 25600 2240 35000 0.8
K7X10X10TN 7 10 10 3350 3400 32000 1.1
K7X10X8TN 7 10 8 2750 2550 32000 0.9
K8X11X10TN 8 11 10 3830 3950 30000 1.7
K8X11X13TN 8 11 13 5000 5700 30000 1.8
K8X11X8TN 8 11 8 3000 2900 30000 1.1
K8X12X10TN 8 12 10 4900 4600 30000 1.3
K9X12X10TN 9 12 10 4200 4700 30000 1.5
K9X12X13TN 9 12 13 5500 6700 30000 1.9
K10X13X10TN 10 13 10 4500 5250 27000 1.6
Bearing Number Boundary dimensions(mm) Basic load ratings(N) Limiting speeds(rpm) Mass(g)
  Fw D C Cr Cor Oil (Approx.)
NK5/10TN 5 10 10 2100 1400 36780 2.9
NK8/12TN 8 15 12 3050 3650 29112 8.3
NK10/12TN 10 17 12 4750 5350 23500 10
NK12/12 12 19 12 6050 6400 21640 11.8
NK12/16 12 19 16 8200 9800 21640 16.8
NK14/16 14 22 16 8260 9600 18322 20.8
NK15/12 15 23 12 8600 10070 21004 18.5
NK16/20 16 24 20 10400 16800 15522 23.9
NK16/16 16 24 16 9030 11900 15522 20.8
NK17/16 17 25 16 9000 13500 14163 21.5
NK18/20 18 26 20 10500 13800 13628 30.5
NK202620 20 26 20 10500 11900 9125 17.2
NK203312SX 20 33 12 13000 17500 11124 29.1
NK20/16 20 28 16 11500 13400 12716 25.7
NK20/20 20 28 20 12400 21800 12716 29.3
Bearing Number Boundary dimensions(mm) Basic load ratings(N) Limiting speeds(rpm) Mass(g)
  Fw D C Cr Cor Oil (Approx.)
RNAV4002 21.87 32 17 10800 29800 4500 45
RNAV4003 24.3 35 18 17900 37900 4300 62
RNAV4004 28.7 42 22 28150 60900 3900 114
RNAV4005 33.5 47 22 33800 70800 3700 129
RNAV4006 40.1 55 25 49900 96500 3500 193
RNAV4007 45.9 62 27 47600 122800 3100 259
RNAV4008 51.6 68 28 49900 137900 2700 304
RNAV4009 57.4 75 30 52500 153500 2600 390
RNAV4571 62.1 80 30 55700 166000 2500 426
RNAV4011 69.8 90 35 68500 225800 2300 645
RNAV4012 74.6 95 35 75400 239000 2100 677
RNAV4013 80.3 100 35 79500 256900 1900 692
RNAV4014 88 110 40 98800 354900 1700 950
RNAV4015 92.7 115 45 101800 372900 1600 1000
RNAV4016 100.3 125 45 157100 373500 1500 1400
RNAV4017 104.8 130 45 103800 374800 1400 1540
Bearing Number Boundary dimensions(mm) Basic load ratings(N) Limiting speeds(rpm) Mass(g)
  Dc1 Dc Dw Cr Cor Oil (Approx.)
AXK571TN  4 14 2 4380 7500 18000 0.7
AXK571TN 5 15 2 4680 9100 17000 0.8
AXK0821TN 8 21 2 7750 19000 15000 2
AXK1571 10 24 2 9150 24500 14000 3
AXK1226 12 26 2 9860 28600 13000 3
AXK1528 15 28 2 11200 35500 11000 4
AXK1730 17 30 2 11800 38600 10000 4
AXK2035 20 35 2 12900 45600 8500 5
AXK2542 25 42 2 13800 57800 7000 7
AXK3047 30 47 2 15600 69500 6000 8
AXK3552 35 52 2 16900 85710 5500 10
AXK4060 40 60 3 27500 113500 4700 16
AXK4565 45 65 3 29050 127600 4200 18

                                                                                   

Certificate

Packing

FAQ

Q:Why choose us?                                                        

A:1. We are professional,have factory in ZheJiang for many years.

   2. We are experienced for 10 years.

   3. We can offer a various kind of bearing with high quality:Z1V1,Z2V2,Z3V3 and best price

 

Q:How is the quality of your products?                             

A:The same quality, we have lower price.The same price,we have better quality.

 

Q:Except Needle roller bearing,what other main bearing do you have?

A:Self-alaigning ball bearing,Cylindrical roller bearing,Taper Roller Bearing,Thrust roller bearing,Spherical roller bearing,Deep groove ball bearing,Angular contact ball bearing etc.

 

Q:Can I get Needle roller bearing free samples?                                                 

A:We will charge a little sample fee for our regular designs or customized ones, These charges will be refunded to you when your mass production order is confirmed.

 

Q:Can you make the products as our requirement?     

A:We have more than 10years’ OEM experience. We supply products fo more than 300 automobile parts factories.

 

 

 

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Product Name: Bk1512 Needle Roller Bearing with Closed
Width: 12mm
Bore Diameter: 15mm
Outside Diameter: 21mm
Limiting Speed: 14000rpm
Service: OEM Service
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

cup bearing

Contribution of Cup Bearings to Smooth Operation and Reduced Friction

Cup bearings play a crucial role in ensuring the smooth operation of machinery while minimizing friction. Their design and functions contribute to this in several ways:

  • Reduced Friction: Cup bearings are designed to minimize friction between moving parts. Their rolling elements, such as balls or rollers, reduce contact surfaces and enable smooth, low-friction movement. This reduces energy consumption and heat generation in the machinery.
  • Load Distribution: Cup bearings distribute loads evenly across their rolling elements. This even load distribution prevents excessive stress on specific points and ensures that the machinery operates smoothly without experiencing undue wear or damage.
  • Alignment Tolerance: Cup bearings can accommodate misalignment to some degree. This ability to handle minor misalignments ensures that even in less-than-ideal conditions, the machinery can continue to operate smoothly and efficiently.
  • Minimized Wear: The rolling elements and races of cup bearings are often made from materials with excellent wear resistance. This minimizes wear and extends the service life of the bearing and the machinery in which it is used.
  • Reduced Heat Generation: The low friction and efficient load distribution of cup bearings result in reduced heat generation during operation. This is particularly important in high-speed machinery where excessive heat can lead to premature wear and reduced efficiency.

Overall, cup bearings contribute to the efficient and smooth operation of machinery by reducing friction, ensuring even load distribution, and providing tolerance for misalignment. These factors are essential for minimizing wear, extending the lifespan of the machinery, and maintaining high performance.

cup bearing

Challenges and Limitations of Cup Bearings in Different Environments

Cup bearings, while versatile and reliable, have specific challenges and limitations based on the environments in which they are used:

1. Contaminants: In environments with high levels of contaminants, such as dust, dirt, or moisture, cup bearings may require enhanced sealing to prevent particle ingress, which can lead to premature wear and failure.

2. Temperature Extremes: Cup bearings may not perform optimally in extreme temperature conditions. High temperatures can affect lubrication properties and reduce bearing life, while low temperatures can cause stiffness and reduced flexibility.

3. Corrosive Environments: Exposure to corrosive substances, like chemicals or saltwater, can lead to bearing corrosion. In such cases, selecting materials with high corrosion resistance is crucial.

4. Shock and Vibration: Machinery subjected to high levels of shock and vibration may experience accelerated wear in cup bearings. Proper mounting and maintenance are essential in these situations.

5. Heavy Loads: While cup bearings can handle substantial loads, there are limitations to the magnitude and type of loads they can support. In applications with extremely heavy loads, larger or specialized bearings may be required.

6. Misalignment: Excessive misalignment can cause uneven load distribution, leading to wear and reduced bearing life. Proper alignment and choice of bearing type can mitigate this challenge.

7. Speed: Extremely high-speed applications may require specialized bearing designs to prevent issues like heat buildup and premature wear.

8. Lubrication: In applications where lubrication is crucial, cup bearings should receive regular maintenance to ensure proper lubrication levels and prevent dry running.

Understanding these challenges and limitations is essential in selecting the right cup bearings and implementing appropriate maintenance practices to maximize their performance and longevity in various environments.

cup bearing

Cup Bearings: Functions and Operation

Cup bearings, also known as tapered roller bearings, are critical components in various machinery and automotive systems. They serve the crucial function of enabling the smooth and efficient rotation of a shaft or assembly. Here’s how cup bearings function in machinery:

1. Tapered Design: Cup bearings have a unique tapered design, which includes an outer ring (the cup) and an inner ring (the cone). This design allows for efficient distribution of radial and axial loads, making them suitable for a wide range of applications.

2. Reduction of Friction: Cup bearings reduce friction between moving parts, enabling the assembly to rotate with minimal resistance. This reduction in friction helps improve the efficiency of the machinery and reduces heat generation.

3. Radial and Axial Load Handling: Cup bearings are capable of handling both radial (perpendicular to the shaft) and axial (parallel to the shaft) loads. This versatility makes them suitable for applications where loads may vary in direction.

4. High Precision: Cup bearings are manufactured to high-precision standards, ensuring that they provide accurate and stable rotation. This precision is essential in applications where exact positioning and smooth motion are critical.

5. Rolling Elements: Cup bearings contain rolling elements (usually tapered rollers) positioned between the inner and outer rings. These rolling elements transmit the load from one ring to the other with very little friction, enhancing the bearing’s load-carrying capacity.

6. Lubrication: Proper lubrication is crucial for the smooth operation of cup bearings. Lubricant reduces friction and wear, prolonging the bearing’s service life. Lubrication also helps dissipate heat generated during operation.

7. Applications: Cup bearings are commonly used in automotive applications, including wheel hubs and transmissions, as well as industrial machinery such as conveyors, gearboxes, and agriculture equipment.

8. Adjustability: In many cup bearing designs, the axial position of the inner ring (cone) can be adjusted, allowing for precise control over the assembly’s clearance and preload. This adjustability is valuable for fine-tuning the bearing’s performance.

9. Longevity: Cup bearings are designed for durability and can provide a long service life when properly maintained. Regular maintenance, including lubrication and monitoring for wear, is essential to maximize their longevity.

Overall, cup bearings play a fundamental role in machinery by reducing friction, enabling efficient load transmission, and ensuring precision in rotation. Their versatility and reliability make them indispensable in various mechanical and automotive systems.

China supplier Bk1512 Drawn Cup Needle Roller Bearing for Textile Machinery   carrier bearingChina supplier Bk1512 Drawn Cup Needle Roller Bearing for Textile Machinery   carrier bearing
editor by CX 2024-04-23

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