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Track Rollers, Backup Rollers and Cam Rollers

Product description
Schaeffler rolling bearings and plain bearings: Track rollers, backup rollers and cam rollers

Ball bearing track rollers are self-retaining, single or double-row ball bearings with particularly thick-walled outer rings. In addition to high radial forces, these bearings can also support axial forces in both directions.

Yoke-type track rollers are single or double-row units mounted on shafts or studs. They comprise thick-walled outer rings with a profiled outside surface and needle roller and cage assemblies or full-complement rolling element sets.

Cam rollers are similar in their construction to single and double-row support rollers, except that the raceway is formed by a heavy-section roller stud with a fixing thread and lubrication hole.

Proven application areas for these products include cam mechanisms, guideways, conveying systems and linear guidance systems.

Product variants

Track rollers

Ball bearing track rollers are self-retaining, single or double-row units with particularly thick-walled outer rings. In addition to high radial forces, these bearings can also support axial forces in both directions. The outer rings have a crowned or cylindrical outside surface. Designs with a crowned outside surface are used where they are inclined in relation to the mating track and edge stresses must be avoided. Track rollers are available with an inner ring, with a stud and with a plastic tire on the outer ring.

X-life

Various sizes are supplied in the X-life grade. These bearings are indicated in the dimension tables.

More information
To the medias product catalog

Stud-type track rollers

Stud-type track rollers have outer rings with a crowned outside surface, heavy-section roller studs and ball and cage assemblies with plastic cages. For ease of fitting, the roller stud has a thread or a threaded bore.

To the medias product catalog

Backup rollers

Backup rollers are often used for transmitting high radial loads.

X-life PWTR backup rollers

X-life quality PWTR backup rollers from INA now boast an even greater level of performance:

  • Up to 30% higher static and dynamic load carrying capacity due to optimized raceway geometry
  • Higher permissible ring load by changing the material of the outer rings
  • Improved outside surface quality by optimizing the surface structure
  • Increased protection against corrosion due to Corrotect® coating
X-life

Various sizes are supplied in the X-life grade. These bearings are indicated in the dimension tables.

To the medias product catalog

Cam rollers

Cam rollers are often used for transmitting high radial loads.

X-life PWKR cam rollers

X-life quality PWKR cam rollers from INA now boast an even greater level of performance:

  • Up to 30% higher static and dynamic load carrying capacity due to optimized raceway geometry
  • Higher permissible ring load by changing the material of the outer rings
  • Improved outside surface quality by optimizing the surface structure
  • Increased protection against corrosion due to Corrotect® coating
X-life

Various sizes are supplied in the X-life grade. These bearings are indicated in the dimension tables.

To the medias product catalog

X-life quality
Schaeffler X-life

X-life – Proven to be Better

In these bearings, the raceways have optimized roughness and geometrical accuracy. This gives a higher load-carrying capacity and longer service life. X-life is the premium brand that identifies particularly high-performance products under the INA and FAG brands.

They are characterized by a longer rating and operating life – the result of higher dynamic load ratings than those of current standard products. If the load and design envelope are unchanged, X-life bearings have a longer rating life. Longer maintenance intervals are possible.

More information

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