China manufacturer Active-Power Industries Nk 305117 Needle Roller Bearing China Manufacturers Csk30 2RS Drawn Cup Needle Bearing bearing block

Product Description

ACTIVE-POWER INDUSTRIES Nk 35717 Needle Roller Bearing China Manufacturers CSK30 2RS Drawn Cup Needle Bearing

Product Description

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

Depending on the application occasion, a bearing without an inner ring or a needle roller and cage assembly can be selected. At this time, the journal surface and the housing hole surface matched with the bearing are directly used as the inner and outer rolling surfaces of the bearing. In order to ensure the load capacity and running performance As with bearings with rings, the hardness, machining accuracy, and surface quality of the raceway surface of the shaft or housing hole should be similar to the raceway of the bearing ring. This kind of bearing can only bear radial load

In addition to those listed in the catalog, bearings that can be used for general engineering, such as open-type drawn cup needle roller bearings (1), closed-type drawn cup needle roller bearings
(2), needle roller bearing with inner ring
(3) and needle roller bearings without inner ring/needle roller bearings without inner ring and a cage
(4), with cage and without cage filled with needle roller bearings

A combined needle roller bearing is a bearing unit composed of radial needle roller bearing and thrust bearing components. It has a compact structure, small size, high rotation accuracy, and can withstand a certain axial load while bearing a high radial load. The product structure is diverse, widely adaptable, and easy to install. Combined needle roller bearings are widely used in various mechanical equipment such as machine tools, metallurgical machinery, textile machinery, and printing machinery, and can make the mechanical system design very compact and smart

Thrust bearings consist of thrust cage assemblies with needle rollers or cylindrical rollers or balls and thrust washers. Needle rollers and cylindrical rollers are held and guided by thrust cages. When used with different series of DF thrust bearing washers, many different combinations are available for bearing configurations. Due to the selection of high-precision cylindrical rollers (needle rollers) to increase the contact length, this bearing can obtain high load capacity and high rigidity in a small space. Another advantage is that if the surface of the adjacent part is suitable for the raceway surface, the gasket can be omitted, which can make the design compact. The cylindrical surfaces of the needle rollers and cylindrical rollers used in DF thrust needle roller bearings and thrust cylindrical roller bearings are Modified face to reduce edge stress and increase service life

Product Parameters

Product Name Needle Bearing 
Type Inch Tapered Roller Bearing/Taper Roller Bearing
Weight Standard weight
Specifications Standard size 
Material Chrome steel GCR-15
CAGE Steel Cage and Nylon Cage
Rolling body Roller

 

Designation Bearing Series   Dimensions Mass Load Rating Torque Rating  Limiting Speed
d (mm) D (mm) L (mm) (kg) Dynamic(kN) Static(kN) (N·m) (RPM)
CSK8        8 22 9 0.015 3.28 0.86 5 15000
CSK12   CSK12 P   6201 12 32 10 0.04 6.1 2.77 18.6 10000
CSK15   CSK15 P CSK15 PP  6202 15 35 11 0.06 7.4 3.42 34 8400
CSK17  CSK17 P CSK17 PP  6203 17 40 12 0.07 7.9 3.8 60 7350
CSK20 CSK20 P CSK20 PP  6204 20 47 14 0.11 9.4 4.46 100 6000
CSK25   CSK25 P CSK25 PP  6205 25 52 15 0.14 10.7 5.46 170 5200
CSK30   CSK30 P CSK30 PP  6206 30 62 16 0.21 11.7 6.45 276 4200
CSK35   CSK35 P CSK35 PP  6207 35 72 17 0.3 12.6 7.28 350 3600
CSK40  CSK40 P CSK40 PP   –   40 80 22 0.5 15.54 12.25 650 3000
CSK8 2RS        –   8 22 9 0.015 3.28 0.86 5 15000
CSK12 2RS CSK12P-2RS    –   12 32 14 0.05 6.1 2.77 18.6 10000
CSK15 2RS  CSK15P-2RS    –   15 35 16 0.07 7.4 3.42 34 8400
CSK17 2RS  CSK17P-2RS    –   17 40 17 0.09 7.9 3.8 60 7350
CSK20 2RS CSK20P-2RS    –   20 47 19 0.145 9.4 4.46 100 6000
CSK25 2RS CSK25P-2RS    –   25 52 20 0.175 10.7 5.46 170 5200
CSK30 2RS  CSK30P-2RS    –   30 62 21 0.27 11.7 6.45 276 4200
CSK35 2RS  CSK35P-2RS    –   35 72 22 0.4 12.6 7.28 350 3600
CSK40 2RS CSK40P-2RS    –   40 80 27 0.6 15.54 12.25 650 3000

Company Profile

HangZhou Active-Power Industrial. is located in HangZhou, ZheJiang , China. The factory has been committed to the production research and development of bearings for more than 20 years. We support OEM and ODM bearing customization.

The main products are: Deep Groove Ball Bearing Taper Roller Bearing Tapered Roller Bearing Auto Wheel Hub Bearing Cylindrical Roller Bearing Spherical Roller Bearing Motor Bearing Needle Roller Bearing Angular Contact Ball Bearing.

FAQ

Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;

2>.Help customers with bearing choice, clearance configuration, product” life, and reliability analysis;

3>. Offer highly cost-effective and complete solution program according to site conditions;

4>. Offer localized program on introduced equipment to save running cost

Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;

2>.Help customers with trouble diagnosis and failure analysis;

3>. Visit customers regularly and feedback on their rational suggestions and requirements to the company.

Q3: How about your company’s strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request. 

2>. World-Class Bearing:
We provide our customers with all types of indigenous roller bearings of world-class quality.

3>.OEM or Non-Stand Bearings: 
Any requirement for Non-standard roller bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry. 

4>.Genuine products With Excellent Quality: 
The company has always proved the 100% quality products it provides with genuine intent.

5>. After-Sales Service and Technical Assistance: 
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.

6>.Quick Delivery: 
The company provides just-in-time delivery with its streamlined supply chain.

7>.Cost Saving: 
We provide long-life, shock-resistant, and high-reliability roller bearings with excellent quality and better performance.
Resulting in increased cost savings.

Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, Please contact us at the first time, and we will immediately process

Q5: How long will you respond to our problems?
A: We will respond within 1 hour. 24 hours to solve your problem

Q6: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical
assistance with any special requirements

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Cage: Without Cage
Rows Number: Double
Load Direction: Thrust Bearing
Style: Without Outer Ring, With Outer Ring, Without Inner Ring, With Inner Ring
Material: Stainless Steel
Type: Open
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

cup bearing

Advantages of Self-Lubricating or Maintenance-Free Cup Bearings

Self-lubricating or maintenance-free cup bearings offer several advantages in various applications:

  • Extended Service Life: Self-lubricating bearings have a longer service life compared to traditional bearings because the lubrication is continuously provided, reducing wear and friction.
  • Reduced Maintenance: These bearings eliminate or significantly reduce the need for manual lubrication, saving time and maintenance costs.
  • Environmental Benefits: With no need for external lubricants, there is less risk of lubricant leakage or contamination, making them environmentally friendly.
  • Consistent Performance: Self-lubricating bearings maintain consistent performance over time, as the lubrication remains effective, reducing the risk of equipment failure.
  • Wide Temperature Range: They can operate in a broader temperature range, making them suitable for extreme conditions.
  • Quiet Operation: The continuous lubrication minimizes friction and noise, contributing to quieter machinery.
  • Low Maintenance Costs: The reduced need for maintenance and lubrication materials results in cost savings.

These advantages make self-lubricating or maintenance-free cup bearings an attractive choice for applications where extended service life, reduced maintenance, and consistent performance are critical.

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

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 manufacturer Active-Power Industries Nk 305117 Needle Roller Bearing China Manufacturers Csk30 2RS Drawn Cup Needle Bearing   bearing blockChina manufacturer Active-Power Industries Nk 305117 Needle Roller Bearing China Manufacturers Csk30 2RS Drawn Cup Needle Bearing   bearing block
editor by CX 2024-05-14

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