ACTN Series

7221ACTN-ACTN Series

The ACTN Series Angular Contact Ball Bearings are precision-engineered components specifically designed for high-stiffness applications requiring preloaded performance. Featuring a specialized 25-degree contact angle and enhanced raceway geometry, these bearings deliver exceptional axial and radial rigidity in compact assemblies. The series incorporates nitrogen-stabilized steel components for dimensional stability under thermal variations, ensuring consistent preload maintenance.

  • ACTN Series
  • ACTN Series
  • ACTN Series
  • ACTN Series

Dimension and Parameters

Designation :7221ACTN
Principal Dimensions(mm)
d :105
D :190
B :36
Basic Load Ratlngs(kN)
Cr :159
Cor :135.1
Limited Speed(rpm)
Grease :3000
Oil :4000