Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Back-to-back
  • With machined cage


Bearing No. 7908CDB FY

Specification data (main dimensions, etc.)

d(mm)40
D(mm)62
B(mm)24
r(min.)(mm)0.6
r1(min.)(mm)0.3
Basic load ratings : Cr(kN)32.0
Basic load ratings : C0r(kN)24.9
Fatigue load limit : Cu(kN)1.40
factor : f015.7
Limiting speeds(Grease lub.)(min-1)13000
Limiting speeds(Oil lub.)(min-1)18000
Load center spread : a(mm)25.7

Mounting dimensions,weight (reference)

da(min.)(mm)44.5 mm
Db(max.)(mm)59.5 mm
ra(max.)(mm)0.6 mm
rb(max.)(mm)0.3 mm
Mass(Refer.)(kg)0.214 kg
JTEKT

2026/07/05