China manufacturer Drawn Cup Needle Roller Bearings HK0812 2RS, HK1014 2RS, HK1216 2RS, HK1416 2RS, HK1516 2RS, HK1520 2RS, HK1616 2RS, HK1620 2RS, HK1625 2RS, HK1816 2RS bearing driver kit

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)

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cup bearing

Impact of Proper Installation and Alignment on Cup Bearing Performance

Proper installation and alignment are critical factors that significantly impact the performance and longevity of cup bearings in machinery and equipment. Here’s how they influence bearing performance:

1. Load Distribution: Correct installation ensures that the load is evenly distributed across the bearing’s raceways. Improper alignment can lead to concentrated loads on specific areas, causing premature wear and potential bearing failure.

2. Reduced Friction: Precise installation and alignment help minimize friction within the bearing, which is essential for smooth operation and energy efficiency. Reduced friction can also lead to less heat generation.

3. Noise and Vibration: Proper alignment reduces noise and vibration levels, promoting a quieter and more comfortable working environment. Misalignment can result in increased noise and unwanted vibrations.

4. Longevity: When installed correctly and aligned accurately, cup bearings are more likely to reach their expected service life without experiencing premature failure due to uneven wear and damage.

5. Performance Consistency: Well-aligned cup bearings deliver consistent and predictable performance, which is essential in applications where precision and reliability are paramount.

6. Maintenance Reduction: Correctly installed and aligned cup bearings typically require less maintenance and lubrication, as they experience less wear and tear during operation.

Proper installation and alignment involve following the manufacturer’s guidelines, utilizing suitable tools and equipment, and ensuring that the bearing is correctly seated and aligned with the mating components. Any deviations from the recommended installation and alignment procedures can lead to reduced bearing life and potential operational issues.

cup bearing

Enhancing Efficiency and Functionality with Cup Bearings

Cup bearings provide several advantages that enhance the efficiency and functionality of mechanical systems:

1. Reduced Friction: Cup bearings are designed to reduce friction between moving parts, which results in less energy loss and increased mechanical efficiency. This reduction in friction leads to improved performance and energy savings.

2. Load Support: Cup bearings offer excellent load-carrying capabilities, making them suitable for applications where heavy loads need to be supported. This ensures the stability and reliability of mechanical systems under varying loads.

3. Misalignment Compensation: Cup bearings can accommodate misalignment to some extent, allowing mechanical systems to operate smoothly even when components are not perfectly aligned. This feature minimizes wear and tear and prolongs the lifespan of the machinery.

4. Durability: Cup bearings are known for their durability, which contributes to the longevity of mechanical systems. They can withstand heavy loads, shock loads, and harsh environmental conditions without compromising their performance.

5. Precision: In applications where precision is crucial, such as manufacturing and automation, cup bearings provide the necessary stability and accuracy. This precision ensures that machinery operates as intended, leading to high-quality output.

6. Versatility: Cup bearings are versatile and can be customized to meet the specific needs of different mechanical systems. This adaptability allows them to be used in a wide range of applications.

7. Reduced Maintenance: The durability and reliability of cup bearings result in lower maintenance requirements. Reduced maintenance leads to increased uptime and cost savings for businesses relying on mechanical systems.

Overall, cup bearings are instrumental in enhancing the overall efficiency, functionality, and performance of mechanical systems across various industries.

cup bearing

Comparison of Cup Bearings with Other Bearing Types

Cup bearings, also known as tapered roller bearings, differ from other bearing types like ball bearings and roller bearings in several ways:

1. Load Capacity: Cup bearings are designed to handle both radial and axial loads, making them suitable for applications with combined forces. Ball bearings primarily handle radial loads, while roller bearings, including cup bearings, can manage both radial and axial loads.

2. Tapered Design: Cup bearings have a tapered design, which helps distribute loads more evenly, reducing the risk of damaging the bearings. Ball bearings have a different internal structure with small, spherical rolling elements, while roller bearings have cylindrical or tapered rollers.

3. Precision and Accuracy: Ball bearings, especially precision ball bearings, offer high levels of accuracy and low friction, making them suitable for applications where precise movement is essential. Cup bearings can provide precision but are typically used in applications with moderate to heavy loads.

4. Lubrication: Lubrication requirements can vary among bearing types. Cup bearings typically require adequate lubrication to operate efficiently. Ball bearings may need less lubrication due to their low friction design.

5. Versatility: Ball bearings and roller bearings come in various configurations, making them versatile for different applications. Cup bearings are primarily used in applications where tapered rollers are advantageous, such as automotive wheel hubs and gearboxes.

6. Specialized Applications: Some applications may benefit from specialized bearings like ball screws with ball bearings for high precision linear motion or spherical roller bearings for applications that require misalignment compensation.

The choice between cup bearings, ball bearings, and roller bearings depends on the specific needs of the application, including the type and magnitude of loads, operating conditions, and precision requirements. Each bearing type has its advantages and limitations, making proper selection essential for optimal performance and longevity.

China manufacturer Drawn Cup Needle Roller Bearings HK0812 2RS, HK1014 2RS, HK1216 2RS, HK1416 2RS, HK1516 2RS, HK1520 2RS, HK1616 2RS, HK1620 2RS, HK1625 2RS, HK1816 2RS   bearing driver kitChina manufacturer Drawn Cup Needle Roller Bearings HK0812 2RS, HK1014 2RS, HK1216 2RS, HK1416 2RS, HK1516 2RS, HK1520 2RS, HK1616 2RS, HK1620 2RS, HK1625 2RS, HK1816 2RS   bearing driver kit
editor by CX 2024-05-14