Stud Type Track Rollers

Stud type track rollers — Roller bearings with roller stud

Versions of stud type track rollers

Stud type track rollers based on needle roller bearings (KR, KR-PP, KRE-PP, KRV-PP, KRVE-PP): Suitable for high radial loads as well as for slight axial loads caused by misalignments or skewed running. Available as caged version KR (for higher speeds) and full complement needle roller set KRV (for higher loads) as well as three-stage seal (suffix PP) respectively.
Stud type track rollers based on cylindrical roller bearings (PWKR, PWKRE, NUKR, NUKRE): Suitable for high radial as well as relatively high and also permanent axial loads resulting from misalignments and skewed running. Available either with lip seal on both sides (PWKR) and labyrinth seals (NUKR).

Features of these series

The KR, NUKR and PWKR series basically have the same outside dimensions, but nevertheless differ from each other by their inside design. The thick-walled outer ring with a high radial load carrying capacity usually rolls at a flat surface, a curve or a counter roller and has got mostly the spherical design in order to compensate skewing towards the raceway. The three series are also respectively available with an eccentric collar (additional specification E) for an optimal geometrical locking between the stud type track roller and the mating surface.

Stud type track rollers

These Stud Type Track Rollers have been designed for specific use on track type or cam-controlled equipment when cantilever mounting is desired. They are corrosion protected, grease lubricated and, typically, sealed.
The stud type airframe track roller is selectively heat treated to provide a combination of a fracture tough head, ductile shank, and a carburized raceway to provide high load carrying capacity. External surfaces are plated with cadmium to provide corrosion protection and thread lubricity.

Material description of stud type track rollers

Yoke type track rollers made of rolling bearing steel: Withstand extremely high load-ratings and are suitable for temperatures from circa -10°C up to +120°C, in case of rubber seals up to +100°C in the long run. The steel is wear-resistant, shock-resistant, conductive and magnetic.

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Bearing Data

PWKRE90-2RS Stud Type Track Rollers Bearings

Bearings Data Outer diameter Ø Cones (mm):35 Outer diameter Ø Roller (mm):90 Width (mm):100 Tolerance for Outer diameter Ø Cones (mm):0/-0,025 Toleran...

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PWKRE80-2RS Stud Type Track Rollers Bearings

Bearing Data PWKRE Series Stud Type Track Rollers Track Rollers

Bearings Data Outer diameter Ø Cones (mm):35 Outer diameter Ø Roller (mm):80 Width (mm):100 Tolerance for Outer diameter Ø Cones (mm):0/-0,025 Toleran...

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PWKRE72-2RS Stud Type Track Rollers Bearings

Bearing Data PWKRE Series Stud Type Track Rollers Track Rollers

Bearings Data Outer diameter Ø Cones (mm):28 Outer diameter Ø Roller (mm):72 Width (mm):80 Tolerance for Outer diameter Ø Cones (mm):0/-0,021 Toleranc...

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PWKRE62-2RS Stud Type Track Rollers Bearings

Bearing Data PWKRE Series Stud Type Track Rollers Track Rollers

Bearings Data Outer diameter Ø Cones (mm):28 Outer diameter Ø Roller (mm):62 Width (mm):80 Tolerance for Outer diameter Ø Cones (mm):0/-0,021 Toleranc...

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Applications

Medical Instruments

From ultra-precise surgical instruments to high speed dental drill turbines, FIJ miniature bearings deliver the highest

High Precision Motors

High precision motors are used throughout industry to provide smooth and quiet rotation. From robotic exoskeletons to in

Vacuum Pumps

Operating in a high or ultra-vacuum environment presents a number of challenges for bearings, which are essential in ach

Machine Tool Spindles

In industry, it’s essential that machine accuracy is achieved and maintained to the highest degree. High speeds and load

Robotics Industry

The field of robotics is becoming an increasingly sophisticated and rapidly developing area of innovation. From artifici

Food & Beverage Industry

Specifying a ball bearing for use in food and beverage production and packaging raises a unique set of considerations

Flow Meters

It is essential that the flow of gases and liquids is accurately measured by turbine flow meters, where conditions ar

Automation & Industry

Since the introduction of the Ford production line over 100 years ago, the manufacturing industry has embraced the co

Agriculture Industry

Uptime is critical as unplanned downtime that can ruin a planting or harvesting season. Whether it is dirt, debris, e

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Stud Type Track Rollers

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