BM Series

85-BM Series

BM Series: Angular contact ball bearings engineered for high rigidity and precision. Features a special internal design with a 40° contact angle, making them ideal for high-speed machine tool spindles.

  • BM Series
  • BM Series
  • BM Series

Dimension and Parameters

Principal Dimensions(mm)
d :85
D :150
B :28
Designation :7217BM
Basic Load Ratlngs(kN)
Cr :83.2
Cor :74.1
Limited Speed(rpm)
Grease :3800
Oil :5000