China OEM Drawn Cup Needle Roller Bearings HK2016 2RS, HK2020 2RS, HK2216 2RS, HK2220 2RS, HK2516 2RS, HK2520 2RS, HK2524 2RS, HK2530 2RS, HK2820 2RS, HK3016 2RS double row ball bearing

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  
HK571-2RS 8 12 12 2250 2100 19000 3.50
HK1014-2RS 10 14 14 4100 5000 15000 5.20
HK1216-2RS 12 18 16 6100 7000 12000 11.50
HK1416-2RS 14 20 16 6100 7500 11000 14.00
HK1516-2RS 15 21 16 6800 8800 10000 14.30
HK1520-2RS 15 21 20 9500 11400 10000 18.00
HK1616-2RS 16 22 16 7200 9200 10000 15.10
HK1620-2RS 16 22 20 9900 12300 10000 16.80
HK1625-2RS 16 22 25 9900 12300 10000 17.00
HK1816-2RS 18 24 16 7800 9900 9200 17.00
HK2016-2RS 20 26 16 8000 15710 9000 18.80
HK2571-2RS 20 26 20 12700 25710 7800 23.50
HK2216-2RS 22 28 16 9000 12400 7800 20.30
HK2220-2RS 22 28 20 10400 25710 7800 25.50
HK2516-2RS 25 32 16 9800 13200 6900 27.30
HK2520-2RS 25 32 20 13600 20000 6900 33.10
HK2524-2RS 25 32 24 17900 30000 6900 39.70
HK2530-2RS 25 32 30 24500 43000 6900 47.30
HK2820-2RS 28 35 20 11400 22500 5300 36.90
HK3016-2RS 30 37 16 15710 16200 5300 28.50
HK3571-2RS 30 37 20 16200 26000 5300 39.10
HK3571-2RS 30 37 24 21000 38500 5300 49.70
HK3516-2RS 35 42 16 15710 20300 4900 36.40
HK3520-2RS 35 42 20 16700 30500 4900 41.10
HK4016-2RS 40 47 16 11000 21300 4200 41.20
HK4571-2RS 40 47 20 19000 30500 4200 50.20
HK4520-2RS 45 52 20 20300 41000 3800 57.40
HK5571-2RS 50 58 24 30000 61000 3200 84.00



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: Radial Bearing
US$ 0.00/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

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

Eco-Friendly Aspects of Cup Bearing Materials

Cup bearing materials can have eco-friendly or sustainable aspects depending on the material chosen and its recyclability or environmental impact:

1. Stainless Steel: Stainless steel is known for its corrosion resistance, which can extend the lifespan of cup bearings and reduce the need for replacements. This longevity can contribute to sustainability by minimizing the disposal of worn-out bearings.

2. Recyclability: Many cup bearing materials, such as steel and bronze, are highly recyclable. At the end of their useful life, these materials can be melted down and reused, reducing the demand for new raw materials and energy consumption.

3. Reduced Lubrication: Some cup bearings are designed for extended periods of maintenance-free operation due to self-lubrication or special coatings. This can reduce the consumption of lubricants and the disposal of used oils, promoting eco-friendliness.

4. Non-Toxic Materials: Materials used in cup bearings are typically non-toxic and do not pose environmental or health hazards. This ensures that their manufacture and disposal do not harm ecosystems or human health.

5. Sustainable Sourcing: Manufacturers often focus on responsibly sourcing materials, ensuring they come from suppliers who adhere to sustainable practices, including reforestation, waste reduction, and energy efficiency.

When selecting cup bearings for a specific application, considering the eco-friendliness of the chosen material is essential. Manufacturers and suppliers may also provide information on the sustainability practices associated with their bearing materials.

cup bearing

Load-Carrying Capacity and Load Ratings of Cup Bearings

Cup bearings are designed to carry both radial and axial loads, and their load-carrying capacity is a critical factor in their performance. Load ratings for cup bearings are specified to help users understand their capabilities:

1. Radial Load Capacity: The radial load capacity of a cup bearing refers to its ability to support loads that are perpendicular to the shaft’s axis. This capacity is determined by factors such as the type of bearing, size, material, and design. Manufacturers provide radial load ratings in pounds or newtons to indicate the maximum radial load that a cup bearing can handle under ideal conditions.

2. Axial Load Capacity: The axial load capacity pertains to the cup bearing’s ability to support loads parallel to the shaft’s axis. Like radial load capacity, axial load capacity is specified by manufacturers and given in pounds or newtons. The design and construction of the bearing determine its axial load rating.

3. Combined Load Capacity: Cup bearings can handle combined radial and axial loads. Manufacturers specify the combined load rating to inform users about the maximum combined load, both radial and axial, that the bearing can support without premature failure. This rating is essential when the application involves varying loads or moments acting on the bearing.

It’s crucial to select cup bearings with load ratings that exceed the expected loads in the application. Factors like operating speed, temperature, lubrication, and misalignment can influence the effective load-carrying capacity of the bearing. Properly matching the bearing’s load ratings to the application’s requirements ensures reliable and long-lasting performance.

China OEM Drawn Cup Needle Roller Bearings HK2016 2RS, HK2020 2RS, HK2216 2RS, HK2220 2RS, HK2516 2RS, HK2520 2RS, HK2524 2RS, HK2530 2RS, HK2820 2RS, HK3016 2RS   double row ball bearingChina OEM Drawn Cup Needle Roller Bearings HK2016 2RS, HK2020 2RS, HK2216 2RS, HK2220 2RS, HK2516 2RS, HK2520 2RS, HK2524 2RS, HK2530 2RS, HK2820 2RS, HK3016 2RS   double row ball bearing
editor by CX 2024-05-16

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