Product Description
I PRODUCT INFO.
NSK KOYO High Quality Drawn Cup Needle Roller Bearing HK/Nukr/Pwkr/Ccfh/Nast/Nutr/Na Series Roller Bearing for Machine Parts
II. Packing & Delivery
Packing Details:
1. Tube+carton+pallet: eg.10 pcs bearings are packed in a tube.30 tubes are put into a carton. It is usually for small bearings..
2. paper box+carton+pallet: every bearing is packed in a paper box, then put in a carton.It is usually for small or middle bearings.
3. Wooden packing:every bearing is packed into a wooden case.It is usually for big bearing
4. according to your requirement
Delivery Details : 5-15Days
Needle Roller Bearings Available from HQA Bearings
- SCE and SCE-PP Series – Drawn cup needle roller bearing, Open ends for through shafts, cage guided, with/without seals, Inch dimensional
- HK, and HK-RS Series – Drawn cup needle roller bearing, Open ends for through shafts, cage guided, with/without seals, Metric dimensional
- BCE and BCE-P Series – Drawn cup needle roller bearing, One end closed for shaft ends, cage guided, with/without seals, Inch dimensional
- BK, and BK-RS Series – Drawn cup needle roller bearing, One end closed for shaft ends, cage guided, with/without seals, Metric dimensional
VI. OUR MAIN PRODUCTS
Our products cover deep groove ball bearing, tapered roller bearing, cylindrical roller bearing, spherical roller bearing, pillow block bearing, angular contact ball bearing, self-aligning ball bearing, thrust ball bearing, thrust roller bearing, needle roller bearing, spherical plain bearing and so on, large, super large and non-standard bearings. In addition to the above, we offer customized high-tech bearings for free design according to drawings and samples from the clients’ side.
V. Our team
Teamwork contributes to the prosperity of the companies. With all workmates’ knowledge combined, the companies possess high work efficiency and an ability to deal with whatever problems. As a result, the companies can make more profits and develop more quickly.
In sum, teamwork is very important, no 1 could live individually, they must rely on others in some way. Hence, work together could make life easier.
Product Description
|
Size(ID*OD*B) |
30*47*17mm |
|
Bearing Type |
Single row Needle Roller |
|
Seal |
Open |
|
Bearing Material |
Chrome Steel GCr15/Stainless Steel |
|
Precision rating |
P0(P6 P5) |
|
Vibration level |
V1(V2 V3) |
|
Noise level |
Z2(Z3 Z4) |
Detailed Photos
Product Application
Company Profile
Packaging & Shipping
II.PACKAGING & SHIPPING
1) Inner Plastic Bag+ Paper Box + Carton(+Pallet);
2) Small sizes:Plastic Tube + Carton
3) Big sizes:Wooden Case
1)Less than 45 KGS, we will send by express. (Door to Door, Convenient)
2)Between 45 – 200 KGS, we will send by air transport. (Fastest and safest, but ?expensive )
3)More than 200 KGS, we will send by sea. (Cheapest and usual)
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory. We have our own brand:.If you interested in our product,I can take you to visit our factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Where is your factory located? How can I visit there?
A: Our factory is located in ZheJiang Province,You can take the high-speed rail or plane to visit.
Q: Do you provide samples ? it is free charge?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q:The MOQ is how much?
A: About ordinary standard type of bearing ,We have rich inventory,not have MOQ,if your need a
product is Non-standard size,need customize,we will according the product size to determine the MOQ.
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| Cage: | Without Cage |
|---|---|
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Style: | With Inner Ring |
| Material: | Bearing Steel |
| Type: | Open |
| Samples: |
US$ 0.01/Set
1 Set(Min.Order) | |
|---|

Can track bearings be customized or modified for specific track or linear motion applications?
Yes, track bearings can be customized or modified to meet specific requirements of track or linear motion applications. Manufacturers often offer a range of options and capabilities to tailor track bearings to the unique needs of different industries and applications. Here are some ways in which track bearings can be customized or modified:
- Size and Dimensional Variations: Track bearings can be customized in terms of size, diameter, width, and overall dimensions to fit specific track or linear motion systems. Manufacturers can provide bearings with varying sizes and load capacities to accommodate different application requirements.
- Material Selection: Track bearings can be manufactured from various materials depending on the specific application’s demands. Common materials include steel, stainless steel, ceramic, and polymer composites. Material selection can be customized to achieve desired properties such as corrosion resistance, high temperature tolerance, or low friction.
- Sealing and Protection: In applications where track bearings are exposed to contaminants, moisture, or harsh environments, customized sealing and protection features can be added. These may include additional seals, shields, or coatings to enhance the bearing’s resistance to dust, water, chemicals, or extreme temperatures.
- Lubrication Options: While self-lubricating or maintenance-free track bearings offer convenience, applications with specific lubrication requirements may benefit from customized lubrication options. Manufacturers can modify the bearing design to accommodate external lubrication systems or provide alternative lubrication methods to meet the unique demands of the application.
- Specialized Load and Speed Ratings: In certain applications, track bearings may need to handle exceptionally high loads or operate at high speeds. Manufacturers can customize the bearing design to offer specialized load and speed ratings to ensure optimal performance and reliability in such demanding conditions.
- Mounting and Attachment Options: Track bearings can be customized with different mounting and attachment options to facilitate easy installation and integration into specific track or linear motion systems. This may include variations in bolt hole patterns, flange designs, or specialized mounting arrangements.
- Track Geometry Compatibility: Track bearings can be designed or modified to match specific track or guide rail geometries. This ensures proper fit, alignment, and smooth operation along the designated track, minimizing the risk of misalignment or issues related to track compatibility.
It is important to work closely with bearing manufacturers or suppliers to discuss the specific requirements of the track or linear motion application. By collaborating with experts, it is possible to customize or modify track bearings to optimize performance, reliability, and longevity in a wide range of applications.

How do track bearings contribute to the precision, accuracy, and reliability of motion control systems?
Track bearings play a crucial role in enhancing the precision, accuracy, and reliability of motion control systems. They provide several key contributions that ensure smooth and consistent linear motion. Here’s a detailed explanation:
- Precision Guidance: Track bearings offer precise guidance for linear motion systems. They are designed with close tolerances and accurate geometries, allowing for accurate positioning and control of the moving components. This precision guidance ensures that the desired motion is achieved with minimal deviation or error.
- Smooth and Consistent Motion: By minimizing friction and providing smooth rolling or sliding surfaces, track bearings enable smooth and consistent motion in motion control systems. They reduce the effects of irregularities, misalignments, or vibrations, resulting in smoother operation and improved accuracy.
- Repeatable Performance: Track bearings provide repeatable performance in motion control systems. They offer consistent and predictable motion characteristics, allowing for precise and repeatable positioning of the moving components. This repeatability is essential in applications that require high accuracy and consistency, such as CNC machining, semiconductor manufacturing, and precision measurement systems.
- Load Distribution: Track bearings distribute the load evenly along their length, helping to minimize stress concentrations on specific components. This even load distribution improves the overall stability and reliability of the motion control system. It reduces the risk of component failure, deformation, or excessive wear, contributing to enhanced system reliability.
- Minimized Play and Backlash: Track bearings are designed to minimize play and backlash, which are undesirable movements or clearances between components. Play and backlash can introduce inaccuracies and reduce the precision of motion control systems. Track bearings with tight tolerances and optimized designs help minimize these undesirable effects, ensuring precise and accurate motion.
- Stiffness and Rigidity: Track bearings provide stiffness and rigidity to the motion control system. They resist deflection and maintain their shape under load, minimizing any unwanted flexing or bending. This stiffness enhances the overall stability and precision of the system, allowing for precise control and accurate motion even under varying loads or external forces.
- Resistance to Contamination: Track bearings are often equipped with seals or shields to protect against contaminants such as dirt, dust, or liquids. This protection helps maintain the precision and reliability of the motion control system by preventing the ingress of particles that could interfere with the smooth operation of the bearings or cause premature wear and failure.
By incorporating track bearings into motion control systems, industries can benefit from improved precision, accuracy, and reliability. Whether it’s achieving precise positioning, ensuring consistent and repeatable motion, minimizing play and backlash, or providing reliable load distribution, track bearings contribute to the overall performance and integrity of motion control systems.

What are track bearings, and how are they used in various applications?
Track bearings, also known as track rollers or track follower bearings, are specialized rolling bearings designed to operate in track-based systems. They are used in various applications that require guided linear or rotational motion. Let’s explore in detail the characteristics of track bearings and their common applications:
- Design and Construction: Track bearings typically consist of an outer ring, an inner ring, a set of rolling elements (such as rollers or needles), and a cage that holds the rolling elements together. The outer ring features a track or guide surface, while the inner ring is mounted on a shaft or stud. The rolling elements facilitate smooth rolling motion along the track, allowing for linear or rotational movement.
- Guided Motion: Track bearings are primarily used to provide guided motion in applications where components need to move along a defined path or track. The outer ring’s track surface interfaces with the track or guide rail, ensuring precise and controlled motion. This guided motion is crucial in various applications such as material handling systems, conveyors, cam mechanisms, and automated machinery.
- Load Support: Track bearings are designed to support and distribute loads, both radial and axial, in track-based systems. They can handle substantial loads while maintaining smooth motion and minimizing friction. The load-carrying capacity of track bearings makes them suitable for applications involving heavy loads, such as construction equipment, agricultural machinery, and industrial automation systems.
- Multiple Types: Track bearings come in various types to suit different application requirements. Some common types include yoke type track rollers, stud type track rollers, and cam followers. Yoke type track rollers have thick outer rings and can withstand high radial loads. Stud type track rollers have a stud instead of an inner ring and are suitable for applications with limited space. Cam followers have a stud with a built-in roller and are commonly used in cam-driven systems.
- Sealing and Contamination Protection: In many applications, track bearings are exposed to harsh environments and contaminants. To ensure reliable operation, track bearings often incorporate sealing arrangements or protective coatings. These features help prevent the ingress of dust, dirt, moisture, or other contaminants, prolonging the bearing’s service life and reducing the risk of premature failure.
- Various Applications: Track bearings find applications in a wide range of industries and systems. Some common applications include:
- Material Handling Systems: Track bearings are used in conveyors, roller tracks, and overhead cranes to facilitate smooth and guided movement of materials.
- Automated Machinery: Track bearings are employed in automated machines and robotic systems for precise motion control and positioning.
- Cam Mechanisms: Track bearings are utilized in cam-driven systems, where they follow the profile of the cam and translate the rotary motion into linear or oscillating motion.
- Construction Equipment: Track bearings are found in construction machinery, such as excavators, bulldozers, and compactors, to support the tracks or guide wheels.
- Agricultural Machinery: Track bearings are used in agricultural equipment, including tractors, combines, and harvesters, to support the tracks or guide wheels and provide reliable movement.
- Printing and Packaging Machinery: Track bearings are employed in printing presses, packaging machines, and labeling systems to ensure precise and guided movement of the printing heads, packaging materials, or labels.
In summary, track bearings are specialized rolling bearings designed for guided linear or rotational motion along a track or guide rail. They provide precise motion control, support substantial loads, and find applications in various industries such as material handling, automation, construction, agriculture, printing, and packaging. With their ability to facilitate guided motion and handle significant loads, track bearings contribute to the smooth and reliable operation of track-based systems in a wide range of applications.


editor by CX 2024-02-17