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 :180
B :41
Designation :7317BM
Basic Load Ratlngs(kN)
Cr :155.8
Cor :120.9
Limited Speed(rpm)
Grease :3000
Oil :4000