China Standard Track Rollers, Stud Type Cam Follower Bearings (PWKRE35 PWKRE40 PWKRE47 PWKRE52 PWKRE62 PWKRE72 PWKRE80 PWKRE90) bearing driver

Product Description

Product Description

Track Roller Bearings are designed to run on all types of tracks and to be used in cam drives, conveyor systems, etc.

Track Roller Bearings are either of heavy-duty cylindrical roller, needle bearing or ball bearing construction. Support Rollers are based on cylindrical or needle rollers.

Applications Of Track Roller Bearings

  • Metals
  • Mining, mineral processing and cement
  • Railways
  • Material handling
  • Agriculture
  • Construction

Versions Of Track Roller Bearings

    Support Rollers Without Flange Rings, Without An Inner Ring

    • RSTO Series
    • RNA Series

    Support Rollers Without Flange Rings, With An Inner Ring

    • STO Series
    • NA Series

    Support Rollers With Flange Rings, With An Inner Ring

    • NATR Series
    • NATV Series
    • PWTR Series
    • NUTR Series
    • NAST  Series
    • CYR Series

    Cam Followers

    • KR,KRE,KRV,KRVE Series
    • NUKR,NUKRE Series
    • PWKR,PWKRE Series
    • CF,CFE,CFH Series

    Product Parameters

    Technical specification

    NUKR series curve rollers are of double row full-roller structure, with axial guidance, full complement cylindrical roller set, labyrinth seals on both sides.

    Stud type track roller (cam follower) – PWKR
    – hex wrench socket in stud head
    – crowned OD
    – cylindrical OD is avaible , suffix ” X “
    – two seals is also avaialbe ( suffix ” 2RS ” )
    – eccentric collar is also avaialbe ( prefix ” PWKRE ” )

    Application of cam followers:

    Escalator, Moving sidewalk, Elevator, Conveyor system, Lifting machinery, Automotive line machinery, Material handling equipments, Linear motion guidance equipments, Cam drives, Screw drives.



    Bearing No. Dimensions (mm) Solid Eccentric(mm) BasicLoad Rating(KN) Limited
    Shiled Type Sealed Type D d C rmin B B1 G G1 A/F C1 d2 d1 B3 e C Co rpm g
    PWKRE 35 PWKRE 35.2RS 35 16 18 0.6 52 32.5 M16X1.5 17 8 3.8 27 20 12 1.0 9.28 9.04 4800 0.177
    PWKRE 40 PWKRE 40.2RS 40 18 20 1.0 58 36.5 M18X1.5 19 8 3.8 30 22 14 1.0 10.56 11.04 4000 0.258
    PWKRE 47 PWKRE 47.2RS 47 20 24 1.0 66 40.5 M20X1.5 21 10 0.8 27 24 18 1.0 18.56 20.40 3040 0.400
    PWKRE 52 PWKRE 52.2RS 52 20 24 1.0 66 40.5 M20X1.5 21 10 0.8 31 24 18 1.0 19.36 22.40 3040 0.470
    PWKRE 62 PWKRE 62.2RS 62 24 28 1.0 80 49.5 M24X1.5 25 14 1.3 38 28 22 1.0 28.00 31.60 1760 0.824
    PWKRE 72 PWKRE 72.2RS 72 24 28 1.1 80 49.5 M24X1.5 25 14 1.3 44 28 22 1.0 30.80 37.20 1760 1.050
    PWKRE 80 PWKRE 80.2RS 80 30 35 1.1 100 63 M30X1.5 32 14 1.0 47 35 29 1.5 44.80 56.00 1440 1.670
    PWKRE 90 PWKRE 90.2RS 90 30 35 1.1 100 63 M30X1.5 32 14 1.0 47 35 29 1.5 50.4 65.6 1440 2.571


    Packaging & Shipping


    Our Advantages

    1. We have over 10 years’ experience.
    2. OEM or Non-Standard Bearings: Any requirement for Non-standard bearings is easily fulfilled by us due to our vast knowledge and links in the industry.
    3. After Sales Service and Technical Assistance: Our company provides after-sales service and technical assistance as per the customer’s requirements and needs.
    4. Quick Delivery: Our company provides just-in-time delivery with our streamlined supply chain.
    5.We attend promptly to any customer questions. We believe that if our customers are satisfied then it proves our worth. Our customers are always given quick support.                              

    Please contact us immediately if you have any questions.

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    Rolling Body: Roller Bearings
    The Number of Rows: Double
    Material: Bearing Steel


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    Currency: US$
    Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

    track bearing

    What are the considerations for selecting the right track bearings for a particular application?

    Selecting the right track bearings for a particular application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key considerations to keep in mind:

    • Load Requirements: Assess the expected load conditions in the application. Consider both the static and dynamic loads that the track bearings will need to support. Determine the maximum load capacity required to ensure that the selected bearings can handle the anticipated loads without premature failure or excessive wear.
    • Speed and Acceleration: Evaluate the speed and acceleration requirements of the application. Higher speeds and rapid accelerations can impose additional stresses on the track bearings. Choose bearings with suitable speed and acceleration ratings to ensure they can operate effectively within the desired range without compromising performance or causing premature wear.
    • Environmental Factors: Consider the operating environment of the application. Evaluate factors such as temperature extremes, moisture, dust, chemicals, and potential exposure to corrosive substances. Select track bearings that are designed to withstand the specific environmental conditions to ensure optimal performance and longevity.
    • Track and Rail Compatibility: Assess the compatibility of the track bearings with the existing track or rail system. Consider factors such as track geometry, dimensional requirements, and mounting options. Ensure that the selected bearings are suitable for the specific track or rail design to facilitate proper installation, alignment, and smooth operation.
    • Maintenance and Lubrication: Evaluate the maintenance and lubrication requirements of the track bearings. Consider factors such as the need for regular maintenance, lubrication intervals, and the availability of suitable lubricants. Choose bearings that align with the desired maintenance practices and provide appropriate lubrication options based on the application’s operational demands.
    • Expected Lifespan and Reliability: Determine the desired lifespan and reliability expectations for the track bearings. Consider factors such as the projected operating hours, duty cycles, and the criticality of the application. Select bearings from reputable manufacturers known for producing high-quality, reliable products that align with the expected lifespan and reliability requirements.
    • Cost Considerations: Evaluate the cost-effectiveness of the track bearings. Consider the initial purchase cost as well as the long-term costs associated with maintenance, replacement, and potential downtime. Strive for a balance between the upfront investment and the overall value provided by the bearings in terms of performance, reliability, and longevity.

    It is essential to consult with bearing manufacturers or industry experts who can provide guidance and recommendations based on the specific application requirements. By considering these factors and seeking expert advice, you can select the right track bearings that best meet the needs of your particular application.

    track bearing

    How do track bearings enhance the overall efficiency and functionality of linear motion systems?

    Track bearings play a crucial role in enhancing the overall efficiency and functionality of linear motion systems. They offer several benefits that contribute to improved performance, increased reliability, and enhanced functionality. Here’s a detailed explanation:

    • Reduced Friction: Track bearings are designed to minimize friction between moving components, allowing for smoother and more efficient linear motion. By reducing friction, they help to optimize the efficiency of the system, reducing energy consumption and minimizing wear on the components.
    • Precision and Stability: Track bearings provide precise guidance and stability to the linear motion system. They ensure accurate and repeatable motion along the intended path, allowing for precise positioning and control. This is particularly important in applications that require high accuracy, such as CNC machines, robotics, and automated assembly lines.
    • Load Distribution: Track bearings distribute the load evenly along their length, allowing for efficient load transfer and reducing the concentration of forces on specific components. This helps to prevent excessive wear, deformation, and premature failure of the system, improving overall reliability and longevity.
    • Handling Heavy Loads: Track bearings are specifically designed to handle heavy loads in linear motion systems. They offer high load capacities and robust construction, enabling them to support and move heavy objects with ease. This capability is essential in industries such as material handling, construction, and transportation.
    • Smooth and Quiet Operation: Track bearings are engineered to provide smooth and quiet operation, minimizing noise and vibrations in the linear motion system. This is especially important in applications where noise reduction and comfort are critical, such as in medical equipment, office automation, and consumer electronics.
    • Versatility and Adaptability: Track bearings come in various designs, sizes, and configurations to accommodate different linear motion system requirements. They can be easily integrated into existing systems or customized to fit specific applications. This versatility allows for greater flexibility and adaptability in designing and implementing linear motion solutions.
    • Maintenance and Serviceability: Track bearings are designed for ease of maintenance and serviceability. They often feature removable components, such as seals or shields, that allow for inspection, cleaning, and lubrication. This simplifies maintenance tasks and reduces downtime, contributing to improved overall system efficiency and uptime.

    By incorporating track bearings into linear motion systems, industries can benefit from increased efficiency, improved performance, and enhanced functionality. Whether it’s achieving precise positioning, handling heavy loads, reducing friction, or ensuring smooth operation, track bearings play a vital role in optimizing the overall efficiency and functionality of linear motion systems.

    track bearing

    How do track bearings contribute to smooth and precise motion in machinery and equipment?

    Track bearings play a crucial role in enabling smooth and precise motion in machinery and equipment. They provide support and guidance for moving components, allowing them to move along tracks or guide rails with minimal friction and accurate positioning. Let’s explore how track bearings contribute to smooth and precise motion:

    • Reduced Friction: Track bearings are designed to minimize friction between the rolling elements (such as balls or rollers) and the raceways (inner and outer rings). By reducing friction, track bearings help to minimize energy losses, prevent excessive heat generation, and extend the lifespan of the bearing and other components in the system. Low friction enables smoother and more efficient motion, resulting in improved overall performance.
    • Accuracy and Precision: Track bearings are manufactured to precise tolerances, ensuring consistent dimensions and smooth surfaces. This precision contributes to accurate and repeatable positioning of the moving components along the track or guide rail. It allows machinery and equipment to achieve the desired motion with minimal deviation or backlash, enabling precise control and operation.
    • Load Distribution: Track bearings are designed to distribute loads evenly across the rolling elements and raceways. This load distribution helps prevent localized stress concentrations and ensures that the applied loads are shared by multiple contact points. By distributing the loads effectively, track bearings enhance the stability and integrity of the moving components, reducing the risk of premature wear or failure.
    • Guidance and Alignment: Track bearings provide guidance and alignment for the moving components. They help maintain the desired orientation and position of the components along the track or guide rail, preventing misalignment and unwanted movements. This guidance ensures smooth and precise motion, minimizing vibrations, noise, and the risk of component damage or malfunction.
    • Shock and Impact Absorption: Track bearings are designed to absorb shocks and impacts that may occur during operation. They help cushion the effects of sudden loads or vibrations, protecting the moving components and reducing the transmission of these forces to the rest of the machinery or equipment. This shock absorption capability contributes to smoother and more stable motion, enhancing overall performance and reliability.

    By incorporating high-quality track bearings into machinery and equipment, engineers can achieve smooth and precise motion, improving the efficiency, accuracy, and longevity of the system. Proper selection, installation, and maintenance of track bearings are essential to ensure optimal performance and to minimize the risk of issues such as excessive wear, misalignment, or loss of motion control.

    China Standard Track Rollers, Stud Type Cam Follower Bearings (PWKRE35 PWKRE40 PWKRE47 PWKRE52 PWKRE62 PWKRE72 PWKRE80 PWKRE90)   bearing driverChina Standard Track Rollers, Stud Type Cam Follower Bearings (PWKRE35 PWKRE40 PWKRE47 PWKRE52 PWKRE62 PWKRE72 PWKRE80 PWKRE90)   bearing driver
    editor by CX 2024-05-10

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