NUTR 1747 | Roller Follower Bearings | NUTR Series
NUTR 1747 — Track Roller / Yoke‑Type Support Roller
The NUTR 1747 is a yoke‑type track roller bearing (support/track roller) with an inner ring and sealed outer ring — ready to install without requiring a hardened shaft. It is built around a full‑complement, double‑row cylindrical‑roller assembly and a thick‑walled outer ring with a crowned running surface, which helps the bearing tolerate misalignment or skew and operate smoothly even under heavy radial loads or shock loads. Because the bearing is sealed and includes a lubrication‑hole in the inner ring, it’s well‑suited for conveyor rails, cam‑drives, guide‑rails and general track‑guided mechanical applications, offering high load capacity, reliable long service life, and easy maintenance.
NUTR 1542 — Track Roller / Yoke‑Type Support Roller
The NUTR 1542 is a yoke‑type track roller bearing (support roller) designed to ride directly on tracks or rails — rather than on a shaft — making it especially suitable for cam drives, conveyor systems, guide‑rails, and other track‑guided mechanical assemblies. It uses a double‑row full‑complement cylindrical roller set together with a thick‑walled outer ring that features a crowned running surface, which helps distribute load evenly and allows the bearing to tolerate slight misalignment, skew or tilting. The bearing comes sealed and ready for mounting, with the inner ring containing a lubrication hole for easy relubrication and a flanged outer ring that offers axial guidance and enhanced reliability under heavy load or continuous operation. Its robust construction delivers high radial load capacity, stable rolling motion, and long service life even under demanding conditions.
NUTR 30 — Track Roller / Yoke‑Type Support Roller
The NUTR 30 is a heavy‑duty, double‑row yoke‑type track roller (support roller) — designed to run directly on a track or rail rather than on a shaft. Its thick‑walled outer ring with a crowned running surface, full‑complement cylindrical rollers, and sealed design make it ideal for applications like conveyor systems, cam drives, guide‑rails, and other track‑guided machinery where high radial loads, shock loads, or misalignment can occur. The roller is ready to mount and features internal axial guidance, good resistance to wear, and long service life even under continuous heavy loading
NUTR 25 — Track Roller / Yoke‑Type Support Roller
The NUTR 25 is a yoke‑type track roller bearing (support roller) with a full‑complement, double‑row cylindrical roller set and thick‑walled outer ring, designed to run directly on a track or rail rather than on a shaft. Its crowned outer‑ring surface improves load distribution and reduces stress concentrations, making it especially suitable for conveyor systems, cam drives, guide‑rails, and other heavy‑duty or continuous‑use track‑based applications. Sealed and ready‑to‑mount with flange rings for axial guidance, NUTR 25 offers high radial load capacity, good resistance to misalignment or skew, and reliable long‑term performance even under heavy loads.
NUTR 20
The NUTR 20 is a yoke‑type track roller bearing (support/track roller) with a full‑complement cylindrical roller set and a sealed, robust outer ring — designed to run directly on a track or rail rather than on a shaft, which makes it ideal for conveyor systems, guide‑rails, cam‑drives, and other track‑based mechanical applications. Its thick‑walled outer ring with a crowned running surface enables it to handle heavy radial loads as well as moderate axial loads (e.g. due to slight misalignment or skew), while the double‑row roller arrangement ensures stable, smooth rolling even under continuous or heavy-duty operation. The sealed design protects against contamination and helps retain lubricant for extended service life.
NUTR 17
The NUTR 17 is a yoke‑type track roller bearing (support/track roller) with a double‑row full‑complement cylindrical‑roller design, sealed and ready to mount. It is built with a thick‑walled outer ring and crowned outer surface to run directly on a track, providing high radial load capacity, good resistance to misalignment or slight tilting, and smooth, stable rolling under heavy or continuous loads. This bearing is suitable for conveyors, cam‑drives, guide rails, track systems, and other applications where a robust, compact, high‑load roller is required.
NUTR 1542 — Track Roller Bearing (Yoke‑type)
The NUTR 1542 is a robust yoke‑type track roller bearing (support roller) equipped with a double‑row, full‑complement cylindrical roller inner assembly and a thick‑walled outer ring with crowned running surface. It features sealed outer flanges and a relubrication hole in the inner ring, which help protect the bearing from contaminants and allow for maintenance, making it well suited for cam‑drives, conveyor tracks, guide rails, and other track‑guided or cam‑guided applications. Its design provides high radial load capacity, good resistance to axial or tilting loads (when the track or rail alignment isn’t perfect), and a long service life even under heavy or continuous load conditions.
NUTR 15
The NUTR 15 is a yoke‑type track roller bearing (cam‑follower/roller type) with double‑row full‑complement cylindrical rollers and an inner ring — designed to run directly on a track or rail rather than on a shaft, which makes it suitable for conveyors, guide rails, linkages and other rolling‑contact mechanisms. The bearing uses a thick‑walled outer ring (often crowned) for higher load capacity and resistance to bending or distortion under heavy radial or impact loads. Seals (labyrinth or double‑seal) on both sides help keep lubricant in and contaminants out, which improves durability under harsh operating conditions.
NK 1212
The NK 1212 is a machined‑ring needle roller bearing without inner ring. Its design assumes that the shaft itself will serve as the inner raceway (i.e. the shaft must be hardened/ground). This makes the NK 1212 very compact, low‑profile and suitable for light weight or space‑constrained applications where shaft treatment is already handled, such as small motors or compact gear assemblies.
NKI 1516
The NKI 1516 is a machined‑ring needle roller bearing with inner ring, providing a hardened raceway independent of the shaft — which means it can be used even if the shaft is not specially treated. It offers excellent radial load capacity while maintaining a compact cross‑section, making it ideal for gearboxes, small motors, and industrial machinery requiring low-profile bearings. The needle‑roller and cage assembly ensures smooth rotation, good rigidity, and reduced friction under load
NKI 2530
The NKI 2530 belongs to the same series of needle roller bearings with inner ring; it is designed for heavier‑duty applications where larger shaft diameter is needed while still offering compact radial space usage. It is suitable for larger industrial gearboxes, conveyors, heavy machinery shafts, and other systems where strong radial load support and compact bearing profile are required.
NKIS 50
The NKIS 50 is a single‑row, machined‑ring needle roller bearing with inner ring, designed for applications where radial space is tight but high radial load capacity and stability are required. Its dense complement of fine rollers guided by a steel cage — combined with a sturdy outer ring with flanges — delivers excellent stiffness, smooth rotation, and even load distribution under heavy-duty or continuous operation. Because the bearing comes complete with its own inner ring, it's a suitable choice in situations where the shaft surface isn’t hardened or ground to function as a raceway, ensuring proper bearing seating, easier installation, and long service life when properly lubricated.
NA 4900
The NA 4900 is the smallest standard machined‑ring needle roller bearing with inner ring in the “NA 49..” series, designed for very compact, low‑cross‑section radial load applications. Its small dimensions make it suitable for precision assemblies, small motors or pumps, and wherever minimal space and light loads are involved. Despite its compact size, it retains the typical advantages of needle roller bearings: high radial load capability relative to its size, smooth rotation, and reliable performance with proper lubrication.
NA 4901
The NA 4901 is a single‑row needle roller bearing with machined rings and an inner ring, featuring outer ring flanges for guidance. It delivers high radial load capacity while keeping a low cross‑sectional profile — well suited for compact mechanical assemblies, small gearboxes, and lightweight industrial equipment where space is constrained but load demands exist. The needle‑roller configuration gives reliable, smooth rotation and good rigidity under load, and its steel construction ensures durability and a long service life.
NA 4902
The NA 4902 is a single‑row needle roller bearing with machined rings, flanges on the outer ring, and an inner ring — designed to deliver high radial load capacity while maintaining a low cross‑sectional height, making it ideal for assemblies where radial space is limited. Its compact form factor and dense arrangement of fine rollers ensure smooth, precise rotation, high stiffness, and reliable load distribution under continuous or heavy-duty conditions. This bearing is commonly used in gearboxes, pumps, alternators, and other mechanical systems needing durable performance and efficient operation.
NA 4903
The NA 4903 is a single‑row needle roller bearing with machined rings and an inner ring, designed to deliver high radial load capacity while maintaining a low cross‑sectional profile. Its dense pack of needle rollers gives it high stiffness and excellent load distribution, making it suited for gearboxes, pumps, small motors, and other compact mechanical assemblies where space is limited but reliability is critical. The outer ring includes two integral flanges for axial guidance and typically features lubrication groove/holes to support maintenance and smooth operation under continuous load.
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