BM Series

105-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 :105
D :190
B :36
Designation :7221BM
Basic Load Ratlngs(kN)
Cr :143.3
Cor :128.5
Limited Speed(rpm)
Grease :2800
Oil :3800