INA from Schaeffler 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 needle roller or cylindrical roller sets. The series NATR..-PP have an outside surface with the optimised INA profile.

• Lower Hertzian pressure • Edge loading under tilting is lower
• Wear of the mating track is reduced
• Operating life of the mating track is extended
• Three-stage sealing by plastic axial plain washers