BM Series

60-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 :60
D :130
B :31
Designation :7312BM
Basic Load Ratlngs(kN)
Cr :91.5
Cor :65.4
Limited Speed(rpm)
Grease :4300
Oil :5600