BM Series

45-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 :45
D :120
B :29
Designation :7409BM
Basic Load Ratlngs(kN)
Cr :80.7
Cor :44.1
Limited Speed(rpm)
Grease :4500
Oil :6000