China Best Sales Drawn Cup Needle Roller Bearings Bk2516, Bk2520, Bk2526, Bk2538, Bk2816, Bk2820, Bk3012, Bk3016, Bk3020, Bk3026, Bk3038, Bk3512, Bk3516, Bk3520, Bk4012, Bk4016 bearing distributors

Product Description

Needle roller bearings contain many slender rollers with a length 3 to 10 times their diameter. Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load capacity. There are numerous types available, and many have no inner rings. The drawn-cup type has a pressed steel outer ring and the solid type has a machined outer ring. There are also cage-and-roller assemblies without rings. Most bearings have pressed steel cages, but some are without cages.
Needle roller bearings have a high load carrying capacity in addition to their low cross-section and stiffness. They are especially suitable for bearing arrangements where radial space is limited because needle roller bearings only carry pure radial load and can not limit the axial displacement of shaft relative to the housing. It is important to ensure that inner ring axis and outer ring axis must be aligned during mounting the bearings.
 

Model Number HK series, BK series, HK…RS series, HK…2RS series, BK…RS series, F series, FH series, MF series,  
HF series, CZPT series, K series, K…ZW series, KZK series, KBK series, NK series, NKS series, RNA49 series,
RNA69 series, NKI series, NKIS series, NA49 series, NA69 series, NA48 series, NAO series, RNAO series,
RNA49…RS series, RNA49… 2RS series, RNAV series, NAV series, RPNA series, PNA series, IR series,
LR series, AXK series, AXW series, RSTO series, STO series, RNA2200 series, RNA2200…2RS series,
NA2200 series, NATR series, NATV series, NUTR series, PWTR series, NNTR series, KR series, KRE series,
KRV series, NUKR series, NUKRE series, PWKR series, PWKRE series.
Type needle roller bearing.
Number of Row single row, double row, multi row.
Material supreme chrome steel 100Cr6.
Cage Material steel, brass, nylon.
Hardness HRC 60-64.
Precision Rating P0, P6, P5.
Radial Clearance C0, C2, C3, C4, C5.
Sealing Type open, 2RS.
Grease as per your requirement, such as Chevron SRI-2 ,Multemp PS2, Shell Alvania R2, Changcheng 2 and so on.
Certification ISO 9001:2015.
Mark TIK or your mark.
Package single box package, industrial rolled package or as per buyer’s requirement.
Place of Origin China (Mainland).
Features (1) high precision;
(2) high speed;
(3) high load carrying capacity;
(4) low noise;
(5) long life span.
Application transport machinery, CNC machine, sewing machinery, handcart, physical exercise apparatus, motorcycle,
automobile, electric tool, leisure toys, textile machinery, printing machinery etc.
Payment Term  30% deposit, 70% is paid by TT or L/C or Western Union.
Shipment time ready stock, immediate shipment.
Shipping Port ZheJiang , ZheJiang or HangZhou.
Samples free samples are available.

 

Bearing No. Boundary dimensions(mm) Basic load ratings(N) Limiting speeds(rpm) Mass(g)
Fw D C Cr Cor Oil  
BK0408TN 4 8 8 1540 1070 40000 1.80
BK0509 5 9 9 2200 1790 36000 2.10
BK0608 6 10 8 1830 1550 32000 2.20
BK0609 6 10 9 2650 2400 3000 2.60
BK0709 7 11 9 2800 2150 27000 2.90
BK0808 8 12 8 2550 2400 21000 3.00
BK571 8 12 10 3700 3450 21000 3.40
BK08X14X10 8 14 10 3800 3950 25000 5.80
BK 0571 9 13 8 3650 4050 25000 3.40
BK571 9 13 10 4050 4250 25000 4.30
BK571 9 13 12 5000 6000 25000 4.90
BK1571 10 14 10 3900 4800 19000 4.30
BK1012 10 14 12 5000 6300 19000 5.00
BK1015 10 14 15 6700 7800 19000 6.20
BK10X16X10 10 16 10 6800 8800 18000 6.80
BK1210 12 16 10 4150 5800 19000 5.20
BK1212 12 16 12 3800 5100 15000 6.20
BK12X18X12 12 18 12 5500 6300 17000 10.30
BK1312 13 19 12 6200 7100 17000 11.20
BK1410 14 20 10 6700 7000 16000 12.10
BK1512 15 21 12 7000 8400 14000 12.70
BK1515 15 21 15 9800 11400 14000 15.30
BK1516 15 21 16 9800 11400 14000 16.50
BK1522 15 21 22 10400 16500 14000 22.00
BK1612 16 22 12 7100 9200 14000 13.80
BK1616 16 22 16 15710 14300 14000 17.60
BK1622 16 22 22 11100 17400 14000 23.40
BK1712 17 23 12 6900 9300 136000 14.50
BK1812 18 24 12 7100 9900 12000 14.90
BK1816 18 24 16 10600 15300 12000 19.90
BK2571 20 26 10 5900 7200 10000 14.00
BK2012 20 26 12 7600 15710 10000 16.70
BK2016 20 26 16 11700 29100 10000 22.30
BK2571 20 26 20 13700 24000 10000 27.10
BK2030 20 26 30 21800 40000 15710 37.40
BK2212 22 28 12 8100 10400 1571 18.10
BK2216 22 28 16 11400 18100 1571 24.30
BK2220 22 28 20 14500 25000 1571 29.90
BK2512 25 32 12 10000 14200 9000 23.20
BK2516 25 32 16 13600 50000 9000 31.00
BK2520 25 32 20 17900 30000 9000 38.70
BK2526 25 32 26 22500 42000 9000 49.00
BK2538 25 32 38 30000 58000 9000 69.00
BK2816 28 35 16 15400 22500 8700 34.10
BK2820 28 35 20 18900 32000 8700 43.00
BK3012 30 37 12 15710 16200 8100 27.90
BK3016 30 37 16 15200 27000 8100 37.10
BK3571 30 37 20 19700 33500 8100 46.50
BK3026 30 37 26 24000 50000 8100 59.40
BK3038 30 37 38 32500 74000 8100 82.50
BK3512 35 42 12 12100 19300 7100 32.90
BK3516 35 42 16 15700 27500 7100 43.80
BK3520 35 42 20 20800 41000 7100 54.80
BK4012 40 47 12 14000 24300 6300 38.20
BK4016 40 47 16 20000 38500 6300 51.00
BK4571 40 47 20 25500 52000 6300 62.00
BK4512 45 52 12 12900 22500 5800 45.00
BK4516 45 52 16 19300 38000 5800 56.00
BK4520 45 52 20 22000 51000 5800 72.00
BK5571 50 58 20 28000 60000 5300 87.30
BK5571 50 58 25 34500 80000 5300 109.00
BK5520 55 63 20 29500 59900 4600 93.80
BK5528 55 63 28 39090 98000 4600 132.00
BK6012 60 68 12 12400 29000 4100 77.00
BK6571 60 68 20 30500 72000 4100 105.00
BK6032 60 68 32 50000 131000 4100 164.00

 

FAQ

Q1: Are you a manufacturer or a trading company?
A: We have been a professional manufacturer of bearings since 1995 with ISO9001:2015 certificate.

Q2: How is the quality level of your bearings?
A: Our bearings are made of supreme GCr15 bearing steel and are produced with the first class workmanship. The tolerance grade could be P0, P6, P5, P4. The vibration level could be Z1V1, Z2V2, Z3V3.

Q3: Can I get samples to see the quality?
A: Yes, samples are free, but the courier charge shall be borne by the buyer.

Q4: Could you offer OEM service and print my logo/mark on the products?
A: Yes, we could. Please send us your mark registration files, we shall print your logo/mark on the bearings and package.

Q5: How is the lead time?
A: For regular items that are in stock, we could make shipment immediately right after your payment. If the goods are not in stock, our production time is from 15 to 45 days according to the quantity.

Q6: What if I receive defective product for my order?
A: All our bearings are 100% inspected strictly before packing. If you receive any defective product, please provide us photos or videos to show the problem. After confirmation, we shall send you the new product as replacement free of charge.

Q7: What is your term of payment?
A: Term of payment is negotiable. Usually it is 30% deposit in advance, and the balance 70% is paid when the goods are ready for shipment.

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Samples:
US$ 0.00/Piece
1 Piece(Min.Order)

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Customization:
Available

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cup bearing

Industries and Applications of Cup Bearings

Cup bearings find widespread use across various industries and applications due to their versatility and load-bearing capabilities. Some common examples include:

  • Automotive Industry: Cup bearings are used in automotive wheel hubs, transmissions, and differentials to facilitate smooth rotation and load support.
  • Aerospace: Aircraft landing gear, engines, and flight control systems employ cup bearings for their ability to withstand high loads and minimize friction.
  • Manufacturing: Machinery used in manufacturing, such as conveyors, printing presses, and packaging equipment, rely on cup bearings for their durability and load-handling capacity.
  • Agriculture: Agricultural machinery like tractors, combines, and harvesters use cup bearings in various components, including wheels, transmissions, and steering systems.
  • Mining: The mining industry utilizes cup bearings in heavy equipment like crushers, conveyors, and excavators to cope with extreme loads and harsh conditions.
  • Construction: Construction machinery such as cranes, bulldozers, and excavators rely on cup bearings for their load-bearing and durability characteristics.
  • Railway: Cup bearings are used in railway applications for the smooth movement of wheels, axles, and couplers.
  • Marine: In marine environments, cup bearings can be found in ship propulsion systems, winches, and other components exposed to moisture and heavy loads.
  • Energy: Power generation and oil drilling equipment use cup bearings to handle high loads and ensure efficient operation.

These examples illustrate the broad range of industries and applications where cup bearings are essential components, thanks to their ability to support heavy loads and reduce friction, ultimately contributing to the efficient functioning of various machinery.

cup bearing

Innovations in Cup Bearing Technology

Recent advancements in cup bearing technology have led to improved performance, reliability, and versatility. Some notable innovations include:

1. Advanced Materials: The development of new materials, such as advanced ceramics and high-performance polymers, has increased bearing durability and resistance to extreme conditions.

2. Enhanced Seals and Shields: Modern cup bearings feature improved sealing technologies that provide better protection against contamination, moisture, and other environmental factors.

3. Lubrication Systems: Some cup bearings now incorporate advanced lubrication systems, including automatic lubrication units, to ensure consistent and optimal lubrication levels.

4. Smart Bearings: IoT (Internet of Things) and sensor technology have enabled the creation of “smart” cup bearings that can monitor their own performance, providing real-time data on conditions and wear.

5. Customization: Manufacturers offer more customization options, allowing customers to tailor cup bearings to their specific application requirements.

6. Improved Load Ratings: Advancements in design and materials have increased the load-carrying capabilities of cup bearings, expanding their utility in heavy-duty applications.

7. Sustainable Practices: Bearing manufacturers are increasingly adopting eco-friendly materials and production processes, contributing to sustainability efforts.

These innovations have expanded the range of applications for cup bearings and have made them more reliable, efficient, and environmentally friendly. As technology continues to evolve, we can expect further improvements in cup bearing performance and capabilities.

cup bearing

Components of a Cup Bearing Assembly and Their Roles

A cup bearing assembly consists of several components, each with a specific role in its operation:

1. Cup (Outer Ring): The cup, often referred to as the outer ring, is a hardened steel component with a precisely machined raceway. It serves as the outer race and provides structural support for the bearing. The cup’s role is to maintain the proper distance and alignment between the rollers.

2. Cone (Inner Ring): The cone, or inner ring, is another hardened steel component. It has a matching raceway that fits with the cup’s raceway. The cone serves as the inner race and contains the rolling elements. Its role is to maintain proper alignment and spacing of the rolling elements.

3. Tapered Rollers: Tapered rollers are the rolling elements that transmit the loads and facilitate smooth rotation. They are arranged between the cup and cone and are designed with a tapered shape to distribute loads evenly along the raceways, reducing the risk of edge loading and premature wear.

4. Cage (Retainer): In some cup bearing assemblies, a cage or retainer is used to maintain the spacing and orientation of the rollers. The cage ensures that the rollers do not come into direct contact with each other, reducing friction and wear while promoting smooth rolling.

5. Lubrication: Proper lubrication is crucial for the efficient operation of cup bearings. Lubricant, often grease or oil, reduces friction, dissipates heat, and minimizes wear. It also helps prevent corrosion and extends the bearing’s service life.

6. Seals and Shields: In many cup bearing applications, seals and shields are employed to protect the bearing’s internal components from contaminants and moisture. Seals create a barrier to prevent the entry of foreign particles, while shields provide limited protection while allowing some ventilation.

7. Bearing Housing: The bearing assembly is often mounted within a bearing housing, which secures it in place and aligns it with the rotating shaft. The housing provides support and ensures proper axial and radial alignment of the cup bearing.

All these components work together to facilitate the smooth and reliable operation of a cup bearing, handling various loads while minimizing friction and wear, thereby extending the bearing’s lifespan and contributing to the efficiency of the machinery it serves.

China Best Sales Drawn Cup Needle Roller Bearings Bk2516, Bk2520, Bk2526, Bk2538, Bk2816, Bk2820, Bk3012, Bk3016, Bk3020, Bk3026, Bk3038, Bk3512, Bk3516, Bk3520, Bk4012, Bk4016   bearing distributorsChina Best Sales Drawn Cup Needle Roller Bearings Bk2516, Bk2520, Bk2526, Bk2538, Bk2816, Bk2820, Bk3012, Bk3016, Bk3020, Bk3026, Bk3038, Bk3512, Bk3516, Bk3520, Bk4012, Bk4016   bearing distributors
editor by CX 2024-05-09