China supplier Printing Machine Bearings Natr12PP Natr Series 12*32*15mm Track Roller Bearings bearing example

Product Description


Printing Machine Bearings NATR12PP NATR Series 12*32*15mm Track Roller Bearings

Description of Printing Machine Bearings NATR12PP NATR Series 12*32*15mm Track Roller Bearings

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 Printing Machine Bearings NATR12PP NATR Series 12*32*15mm Track Roller Bearings



Bearing Designation and 

mass approx

Borndary Dimensions Basic Load Rating





Mass Sealed Mass d D B C d1 Cr Cor As Yoke Type Track Rollers Grease
Dynamic Static Cw Cow
mm   g   g mm N rpm
16 NATR 5 14 NATR 5 PP 14 5 16 12 11 12 3050 3000 2050 2400 22000
NATV 5 15 NATV 5 PP 15 5 16 12 11 12 4500 6300 3680 4300 8500
19 NATR 6 20 NATR 6 PP 20 6 19 12 11 14 3600 3650 2450 2850 20000
NATV 6 21 NATV 6 PP 21 6 19 12 11 14 5700 8700 4600 6750 7000
24 NATR 8 41 NATR 8 PP 41 8 24 15 14 19 4500 5400 3900 4500 5000
NATV 8 42 NATV 8 PP 42 8 24 15 14 19 8600 12000 6700 9800 5500
30 NATR 10 64 NATR 10 PP 64 10 30 15 14 23 6100 7800 4500 6900 11000
NATV 10 65 NATV 10 PP 65 10 30 15 14 23 10900 17000 7600 11800 4500
32 NATR 12 71 NATR 12 PP 71 12 32 15 14 25 6600 9800 4660 7000 9000
NATV 12 72 NATV 12 PP 72 12 32 15 14 25 11800 19000 7800 13000 3900
35 NATR 15 103 NATR 15 PP 103 15 35 19 18 27 10500 17500 7800 11500 7000
NATV 15 105 NATV 15 PP 105 15 35 19 18 27 16000 32500 15710 20500 3400
40 NATR 17 144 NATR 17 PP 144 17 40 21 20 32 11800 19400 9500 13500 6000
NATV 17 152 NATV 17 PP 152 17 40 21 20 32 19600 37000 1200 23000 2900
47 NATR 20 246 NATR 20 PP 246 20 47 25 24 37 17500 29800 13500 22500 4900
NATV 20 254 NATV 20 PP 254 20 47 25 24 37 25800 57000 19000 39500 2600
52 NATR 25 275 NATR 25 PP 275 25 52 25 24 42 19500 36500 13400 23500 3600
NATV 25 285 NATV 25 PP 285 25 52 25 24 42 29000 69600 19800 40900 2100
62 NATR 30 470 NATR 30 PP 470 30 62 29 28 51 31000 57500 20900 35500 2600
NATV 30 481 NATV 30 PP 481 30 62 29 28 51 45500 104000 27800 60900 1700
72 NATR 35 635 NATR 35 PP 635 35 72 29 28 58 34500 67500 22500 41000 2000
NATV 35 647 NATV 35 PP 647 35 72 29 28 58 50800 109500 30900 70800 1400
80 NATR 40 805 NATR 40 PP 805 40 80 32 30 66 47000 91500 30900 56500 1700
NATV 40 890 NATV 40 PP 890 40 80 32 30 66 64000 139000 39800 87800 1300
85 NATR 45 910 NATR 45 PP 910 45 85 32 30 72 49100 98000 30600 56900 1500
90 NATR 50 960 NATR 50 PP 960 50 90 32 30 76 50500 10600 30600 57500 1300
NATV 50 990 NATV 50 PP 990 50 90 32 30 76 69500 187000 38700 90900 1000


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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing


Customized Request

track bearing

Can you explain the maintenance and lubrication requirements for track bearings?

Maintenance and lubrication are essential aspects of ensuring the optimal performance and longevity of track bearings. Proper maintenance practices and appropriate lubrication help minimize wear, reduce friction, prevent corrosion, and extend the service life of the bearings. Here’s an explanation of the maintenance and lubrication requirements for track bearings:

Maintenance Requirements:

  • Cleanliness: It is crucial to maintain a clean operating environment for track bearings. Regularly remove dirt, dust, and debris from the track and bearing surfaces to prevent contamination, which can lead to premature wear and damage.
  • Inspection: Periodically inspect the track bearings for signs of wear, damage, or misalignment. Check for excessive play, noise, or roughness during operation. If any issues are detected, take appropriate measures such as bearing replacement or realignment to ensure optimal performance.
  • Tightening and Fasteners: Check the tightness of fasteners, such as bolts or screws, that secure the track bearings. Loose fasteners can lead to misalignment or instability. Ensure that all fasteners are properly tightened according to the manufacturer’s specifications.
  • Track Alignment: Proper track alignment is crucial for smooth and efficient operation of track bearings. Regularly check the alignment of the track or guide rails and make necessary adjustments to maintain proper alignment, minimizing excessive loads and wear on the bearings.
  • Load Limits: Adhere to the specified load limits for the track bearings. Exceeding the recommended load capacity can cause premature wear and failure. Consider the dynamic and static load ratings of the bearings to ensure they are not subjected to excessive loads that can compromise their performance.

Lubrication Requirements:

  • Proper Lubricant Selection: Select the appropriate lubricant based on the operating conditions, such as temperature, load, and speed. Consult the manufacturer’s recommendations or seek expert advice to ensure the lubricant’s compatibility with the track bearings and the specific application.
  • Regular Lubrication: Follow a regular lubrication schedule as recommended by the manufacturer. This may involve applying lubricant at specified intervals or based on the operating hours. Adequate lubrication helps minimize friction, reduce wear, and maintain proper functioning of the track bearings.
  • Correct Lubrication Method: Apply the lubricant using the appropriate method, whether it’s manual greasing, automatic lubrication systems, or specialized lubrication techniques. Ensure that the lubricant reaches all necessary contact points and provides sufficient coverage to the bearing surfaces.
  • Monitoring and Replenishment: Monitor the lubricant levels regularly and replenish as needed. In some cases, track bearings may have built-in lubrication systems that require periodic refilling or maintenance. Keep track of the lubricant condition and replace it when it becomes contaminated or degraded.
  • Environmental Considerations: Consider the operating environment when selecting the lubricant. Extreme temperatures, exposure to moisture, or the presence of chemicals or contaminants may require special lubricants that can withstand these conditions and provide effective protection and lubrication.

It is important to consult the manufacturer’s guidelines and recommendations specific to the track bearings being used. Following the recommended maintenance and lubrication practices ensures optimal performance, reduces the risk of premature failure, and maximizes the overall lifespan of the track bearings.

track bearing

Can track bearings be used in both light-duty and heavy-duty machinery applications?

Yes, track bearings can be used in both light-duty and heavy-duty machinery applications. They are versatile components that offer reliable support for linear motion in a wide range of industrial settings. Here’s a detailed explanation:

1. Light-Duty Machinery Applications:

In light-duty machinery applications, track bearings provide cost-effective and efficient solutions for various tasks. Light-duty track bearings are designed to handle lower loads and are commonly used in applications such as:

  • Office automation equipment
  • Consumer electronics
  • Printing machinery
  • Small conveyors and material handling systems
  • Automated vending machines
  • Textile machinery

These applications typically involve lighter loads and lower operating speeds, making light-duty track bearings suitable for providing smooth and reliable linear motion.

2. Heavy-Duty Machinery Applications:

Track bearings are also widely used in heavy-duty machinery applications that require robust components capable of handling substantial loads and challenging operating conditions. Heavy-duty track bearings are designed to withstand higher loads and offer increased durability. They are commonly employed in applications such as:

  • Material handling equipment
  • Construction machinery
  • Mining equipment
  • Transportation systems
  • Industrial automation
  • Large-scale conveyors
  • Steel mills

These applications often involve heavy loads, high operating speeds, and demanding environments. Track bearings in heavy-duty machinery applications are engineered to provide reliable performance, extended service life, and resistance to factors such as contamination, shock, and vibration.

Track bearings are available in various sizes, designs, and load capacities, allowing them to be tailored to the specific requirements of both light-duty and heavy-duty machinery applications. Manufacturers offer a range of options to accommodate different load capacities, operating conditions, and performance specifications.

It is important to consider the specific requirements and operating conditions of the machinery application when selecting track bearings. Consulting with bearing manufacturers or industry experts can help ensure the appropriate track bearings are chosen for optimal performance and reliability in both light-duty and heavy-duty machinery applications.

track bearing

How do track bearings compare to other types of bearings like ball bearings or roller bearings?

Track bearings, ball bearings, and roller bearings are all types of rolling bearings used in various applications. Let’s compare track bearings to ball bearings and roller bearings to understand their similarities and differences:

  • Design and Construction: Track bearings, ball bearings, and roller bearings have different designs and constructions. Track bearings, also known as track rollers or track follower bearings, are designed specifically for guided linear or rotational motion along a track or guide rail. They feature an outer ring with a track surface, an inner ring, rolling elements (such as rollers or needles), and a cage. Ball bearings, on the other hand, have spherical rolling elements (balls) sandwiched between inner and outer rings. Roller bearings, as the name suggests, have cylindrical or tapered rolling elements (rollers) between inner and outer rings.
  • Motion and Load Handling: Track bearings are primarily used for guided motion in track-based systems, while ball bearings and roller bearings are used for general rotational or linear motion. Track bearings are designed to support both radial and axial loads and provide smooth and controlled motion along the track. Ball bearings and roller bearings are also capable of supporting radial and axial loads but are typically used in applications where the motion is not constrained to a specific track or guide rail. Roller bearings, with their larger contact area and higher load-carrying capacity, are often preferred for applications with higher loads.
  • Applications: Track bearings are commonly used in applications such as material handling systems, conveyors, cam mechanisms, automated machinery, construction equipment, and agricultural machinery, where guided motion along a track or rail is required. Ball bearings and roller bearings find applications in a wide range of industries and systems, including electric motors, pumps, automotive applications, industrial machinery, and appliances.
  • Friction and Efficiency: Track bearings, ball bearings, and roller bearings all aim to minimize friction and ensure efficient operation. However, due to their different designs and contact surfaces, they exhibit varying levels of friction. Ball bearings typically have lower friction due to point contact between the balls and the raceways. Roller bearings, especially tapered roller bearings, distribute the load over a larger contact area, resulting in slightly higher friction compared to ball bearings. Track bearings, with their track interface, may have slightly higher friction compared to ball bearings or roller bearings due to the rolling elements’ contact with the track surface.
  • Installation and Maintenance: Track bearings, ball bearings, and roller bearings require proper installation and maintenance for optimal performance and longevity. However, track bearings may require additional attention during installation as they need to be properly aligned with the track or guide rail. Regular lubrication and periodic inspection are essential for all types of bearings to ensure smooth operation and prevent premature failure.

In summary, track bearings, ball bearings, and roller bearings have distinct designs and applications. Track bearings are specialized for guided motion along a track or rail, while ball bearings and roller bearings are more versatile and used in a wide range of rotational or linear motion applications. Each type of bearing has its advantages and considerations in terms of load handling, friction, efficiency, and installation requirements. Selecting the appropriate bearing type depends on the specific application requirements, load conditions, motion characteristics, and environmental factors.

China supplier Printing Machine Bearings Natr12PP Natr Series 12*32*15mm Track Roller Bearings   bearing exampleChina supplier Printing Machine Bearings Natr12PP Natr Series 12*32*15mm Track Roller Bearings   bearing example
editor by CX 2024-05-15

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