Product Description
KR 30 Track Roller Cam Follower KR series Needle Bearing
Description of KR30 Track Roller Cam Follower KR series Needle Bearing
| Series | Description |
| NATR | Yoke type track rollers with axial guidance by washers,gap seal,with inner ring |
| NATR…PP | Yoke type track rollers with additional sealing rings |
| NATV | Yoke type track rollers with axial guidance by washers,full complement,gap seal,with inner ring |
| NATV…PP | Yoke type track rollers with additional sealing rings |
| NUTR | Yoke type track rollers with axial guidance by the rolling element,full complement,gap seal,with inner ring |
| KR | Stud type track rollers with axial guidance by rid and washer,gap seal |
| KR…PP | Stud type track rollers with sealing rings |
| KRE | Stud type track rollers with eccentric collar |
| KRE…PP | Stud type track rollers with eccentric collar and sealing rings |
| KRV | Stud type track rollers with axial guidance by rid and washer,full complement, gap seal |
| KRV…PP | Stud type track rollers with sealing rings |
| KRVE | Stud type track rollers with eccentric collar |
| KRVE…PP | Stud type track rollers with eccentric collar and sealing rings |
| NUKR | Stud type track rollers with axial guidance by the rolling element,full complement, gap seals |
| NUKRE | Stud type track rollers with eccentric collar |
| CF | Stud type track rollers with cage ,the same as KR series |
Catalogue of 30 Track Roller Cam Follower KR series Needle Bearing
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Outside Diameter |
Bearing Designation and mass approx | Borndary Dimensions | ||||||||||||||
|
Without Eccentric Collar |
Mass |
With Ecctric Coollar |
Mass | D | d | C | B | B1 | B2 | G | G1 | M | M1 | C1 | d2 | |
| mm | g | g | mm | |||||||||||||
| 47 | KR 47 | 386 | KRE 47 | 405.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 |
| KR 47 PP | 386 | KRE 47 PP | 405.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 47 | 390 | KRVE 47 | 409.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 47 PP | 390 | KRVE 47 PP | 409.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| NUKR 47 | 380 | NUKPE 47 | 399.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 27 | |
| 52 | KR 52 | 461 | KRE 40 | 480.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 |
| KR 52 PP | 461 | KRE 52 PP | 480.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 52 | 465 | KRVE 52 | 484.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 52 PP | 465 | KRVE 52 PP | 484.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| NUKR 52 | 450 | NUKPE 52 | 469.5 | 52 | 20 | 24 | 66 | 49.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 31 | |
| 62 | KR 62 | 790 | KRE 62 | 818.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 |
| KR 62 PP | 790 | KRE 62 PP | 818.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 62 | 802 | KRVE 62 | 830.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 62 PP | 802 | KRVE 62 PP | 830.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| NUKR 62 | 795 | NUKPE 62 | 823.5 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 38 | |
| 72 | KR 72 | 1040 | KRE 72 | 1068.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M20×1.5 | 25 | 8 | 4 | 0.8 | 44 |
| KR 72 PP | 1040 | KRE 72 PP | 1068.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 72 | 1045 | KRVE 72 | 1073.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 72 PP | 1045 | KRVE 72 PP | 1073.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| NUKR 72 | 1200 | NUKPE 72 | 1038.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| 80 | KR 80 | 1550 | KRE 80 | 1610 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 |
| KR 80 PP | 1550 | KRE 80 PP | 1610 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 80 | 1561 | KRVE 80 | 1621 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 80 PP | 1561 | KRVE 80 PP | 1621 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| NUKR 80 | 1800 | NUKPE 80 | 1600 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 47 | |
| 85 | KR 85 | 1740 | KRE 85 | 1800 | 85 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 |
| KR 85 PP | 1740 | KRE 85 PP | 1800 | 85 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| 90 | KR 90 | 1950 | KRE 90 | 2571 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 |
| KR 90 PP | 1950 | KRE 90 PP | 2571 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 90 | 1970 | KRVE 90 | 2030 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 90 PP | 1970 | KRVE 90 PP | 2030 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| NUKR 90 | 2300 | NUKPE 90 | 2571 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 47 | |
Pictures
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| Product Name: | Cam Follower Bearings |
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| Bore Diameter: | 12mm |
| Outer Diameter: | 92.5g |
| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
What innovations or advancements have been made in track bearing technology?
Track bearing technology has seen several innovations and advancements over the years, driven by the need for improved performance, increased reliability, and enhanced functionality. Here are some notable innovations in track bearing technology:
- Advanced Materials: The development of new materials has significantly improved the performance and longevity of track bearings. Materials such as ceramic, hybrid ceramics, and high-performance steels offer enhanced strength, corrosion resistance, and temperature stability, making them suitable for demanding applications.
- Improved Sealing Solutions: Sealing technology has advanced to provide better protection against contaminants, moisture, and other environmental factors. Innovative seal designs and materials, including labyrinth seals, triple lip seals, and specialized coatings, help keep track bearings clean and extend their service life.
- Enhanced Lubrication: Lubrication plays a crucial role in the performance and lifespan of track bearings. Advancements in lubrication technology, such as the development of high-performance greases and solid lubricants, have improved the efficiency, reliability, and maintenance requirements of track bearings.
- Integrated Sensor Systems: Track bearings can now incorporate integrated sensor systems to monitor various parameters such as temperature, vibration, and load. These sensors provide real-time data on bearing health and performance, enabling predictive maintenance strategies and early detection of potential issues.
- Smart Bearing Technology: Smart bearing technology combines sensor systems with advanced data analytics and connectivity capabilities. These bearings can communicate wirelessly with monitoring systems, enabling remote monitoring, condition-based maintenance, and optimization of operational parameters for improved performance and efficiency.
- Design Optimization: Computer-aided design (CAD) and finite element analysis (FEA) tools have revolutionized the design process for track bearings. These tools allow for precise modeling, simulation, and optimization of bearing geometries, materials, and load capacities, resulting in improved performance, reduced weight, and enhanced reliability.
- Application-Specific Customization: With advancements in manufacturing processes, track bearings can now be customized to meet the specific requirements of different applications. Manufacturers can tailor bearing designs, materials, and coatings to optimize performance, reliability, and compatibility with unique operating conditions.
These innovations and advancements in track bearing technology have collectively contributed to improved performance, extended service life, and enhanced functionality in a wide range of industries and applications. They continue to drive progress in the field, enabling track bearings to meet the evolving demands of modern industrial 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 2024-01-09