China Hot selling CZPT High Precision Drawn Cup Needle Roller Bearing HK0708/HK0709/HK0712 with Bearing Steel with Best Sales

Product Description

ZYS High Precision Drawn Cup Needle Roller Bearing HK0708/HK0709/HK 0571 with Bearing Steel 

The needle bearing is roller bearing with a cylindrical roller, which is both thin and long with respect to its diameter. In spite of the smaller crosssection, the bearing still has a high load bearing capacity. The needle bearing is equipped with thin and long rollers (roller diameter D ≤ 5mm, L/D ≥ 2.5, L means the length of the roller), therefore its radial structure is compact. When the inner diameter size and load capacity are the same as those of other types, the outer diameter is the smallest, which is particularly suitable for a support structure in which the radial installation size is limited.

Structure type
This type of bearing has a radial needle and thrust full of ball, or with a thrust ball, or with a thrust cylindrical roller, or with the angular contact ball into one, can withstand unidirectional or two way axial load. Can also be 
designed according to the user’s specific structural requirements.

Technical parameter of CZPT Drawn cup needle roller bearing:

Diameter(mm) Bearing Type Boundary Dimensions(mm) Basic Load Rating(N) Limiting Speed Weight(g)
Current Type Original Type d D B Dynamic Static Oil
4 HK0408   HK040808   37941/4  7947/4 4 8 8 1540 1070 40000 1.6
5 HK0509   HK05 0571    47941/5 5 9 9 2200 1790 36000 2
6 HK0608              37941/6 6 10 8 1830 1550 32000 2.1
HK0609   HK061009   47941/6 6 10 9 2650 2400 30000 2.2
7 HK0709   HK57109   47941/7 7 11 9 2800 2150 27000 2.3
8 HK0808              37941/8 8 12 8 2550 2400 21000 2.7
HK571   HK57110   57941/8  8 12 10 3700 3450 21000 3
HK571              27942/8 8 14 10 3800 3950 25000 5.35
HK571              37942/8 8 14 12        
9 HK 0571              47941/9 9 13 9        
HK571   HK57110   57941/9 9 13 10 4050 4250 25000 4
HK571              67941/9 9 13 12 5000 6000 25000 4.6
HK571              27942/9 9 15 10        
HK571              37942/9 9 15 12        
10 HK1571   HK101410   57941/10 10 14 10 3900 4800 19000 4.1
HK1012              67941/10 10 14 12 5000 6300 19000 4.8
HK1014              77941/10 10 14 14        
HK1571                  27942/10  7941/10 10 16 10        
12 HK1209              47941/12 12 16 9        
HK1210   HK121610   57941/12 12 16 10 4150 5800 19000 4.6
HK1212              67941/12 12 16 12 3800 5100 15000 5.6
HK1212              37942/12 12 18 12 5500 6300 17000 9.1
14 HK1412   HK142012   37941/14 14 20 12 6800 7500 16000 10.5
HK1414              47941/14 14 20 14        
HK1416   HK142016   57941/14 14 20 16 7300 9000 14000 13.9
15 HK1512              37941/15 15 21 12 7000 8400 14000 11.1
HK1514              47941/15 15 21 14 8500 10400 13000 12.7
HK1516              57941/15  7942/15 15 21 16 9800 11400 14000 15
16 HK1612   HK162212   37941/16    16 22 12 7100 9200 14000 11.7
HK1614              47941/16 16 22 14 8800 9900 12000 14.4
HK1616   HK162216   57941/16 16 22 16 15710 14300 14000 15.8
17 HK1714  47941/17  7941/17 17 23 14 6800 15710 10000 14
HK1716  57941/17  7942/17 17 23 16 8500 12500 10000 15.9
HK1718    67941/17 17 23 18 9500 10600 10000 19
18 HK1812  HK182412   37941/18 18 24 12 7100 9900 12000 13.1
HK1816   HK182416   57941/18 18 24 16 10600 15300 12000 17.5

Materials of Drawn cup needle roller bearing
Needle roller material for the GCr15 bearing steel, hardened HRC60-65.
Inside and outside the ring material for the GCr15 bearing steel, hardened HRC61-65.
The cage material is made of high quality mild steel or reinforced nylon.

Application of Drawn cup needle roller bearing
It is widely used in machine tools, metallurgical machinery, textile machinery and printing machinery and other machinery and equipment, and mechanical design can be more compact and smart.


ZYS Quality assurance 

ZYS bearing products

ZYS Packing :


Q: Are you trading company or manufacturer?
A: CZPT is bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.

Q: How do you control quality of bearing?
A: CZPT has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.

Q: Is sample avaiable?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.


Cage: With Cage
Rows Number: Multiple
Load Direction: Radial Bearing
Material: Bearing Steel
Type: Closed
Breadth: 30mm


Customized Request

cup bearing

Customization and Machining of Cup Bearings for Specific Applications

Yes, cup bearings can be customized or machined to suit specific applications, and this customization can involve several aspects:

1. Material Selection: Depending on the application’s requirements, cup bearings can be manufactured from different materials such as steel, stainless steel, bronze, or other alloys. The choice of material can impact factors like corrosion resistance and load capacity.

2. Size and Dimensions: Cup bearings can be customized in terms of their inner and outer diameters, width, and overall dimensions to fit the specific space and load requirements of the machinery or equipment they are intended for.

3. Lubrication: Some applications may benefit from special lubrication requirements. Customized cup bearings can be pre-greased with specific lubricants or seals to withstand extreme temperatures, contamination, or other environmental factors.

4. Seals and Shields: In harsh environments, customized cup bearings can be equipped with additional sealing or shielding to protect against contaminants and moisture, ensuring reliable performance in challenging conditions.

5. Load Capacity: Custom cup bearings can be engineered with higher load-carrying capabilities to support heavy loads in specialized machinery, such as construction equipment or industrial presses.

6. Mounting Arrangements: Cup bearings can be customized with unique mounting configurations or flanges to simplify installation or address specific spatial constraints.

7. Coatings: For applications where anti-corrosion properties are essential, customized cup bearings can be coated with materials like zinc or nickel for added protection.

Customization and machining of cup bearings are often carried out by manufacturers or suppliers with expertise in bearing solutions. The goal is to tailor the bearings to meet the precise demands of the application, ensuring optimal performance, reliability, and longevity.

cup bearing

Contribution of Cup Bearings to Machinery Durability and Reliability

Cup bearings play a significant role in enhancing the durability and reliability of machinery by offering several key benefits:

1. Load Distribution: Cup bearings distribute axial and radial loads evenly, preventing localized wear and reducing the risk of premature component failure.

2. Reduced Friction: These bearings minimize friction between moving parts, leading to smoother operation, less heat generation, and increased energy efficiency.

3. Precision: Cup bearings provide precise control over the positioning of machine components, ensuring accurate alignment and reduced wear over time.

4. Longevity: Properly maintained cup bearings have a longer service life, resulting in less frequent replacements and reduced downtime.

5. Low Maintenance: Self-lubricating cup bearings require minimal maintenance, reducing operational costs and extending the intervals between servicing.

6. Versatility: Cup bearings are adaptable and available in various sizes and designs to suit different applications, making them versatile components in machinery.

7. Load-Carrying Capacity: These bearings can handle substantial loads, making them suitable for heavy-duty applications where durability is crucial.

8. Contaminant Protection: Proper sealing options in cup bearings shield internal components from contaminants, ensuring a cleaner and more reliable operation.

9. Shock and Vibration Resistance: Cup bearings are designed to withstand shock loads and vibrations, maintaining stability in machinery subjected to varying operating conditions.

10. Consistency: The manufacturing precision of cup bearings ensures consistent performance, reducing variability in machinery operation.

Overall, cup bearings contribute to the longevity, reliability, and efficient operation of machinery across a wide range of industries, making them indispensable components in mechanical systems.

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 Hot selling CZPT High Precision Drawn Cup Needle Roller Bearing HK0708/HK0709/HK0712 with Bearing Steel   with Best SalesChina Hot selling CZPT High Precision Drawn Cup Needle Roller Bearing HK0708/HK0709/HK0712 with Bearing Steel   with Best Sales
editor by CX 2023-11-09

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