Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Single-row
  • With machined cage


Bearing No. 7908C FY

Specification data (main dimensions, etc.)

d(mm)40
D(mm)62
B(mm)12
r(min.)(mm)0.6
r1(min.)(mm)0.3
Basic load ratings : Cr(kN)19.7
Basic load ratings : C0r(kN)12.4
Fatigue load limit : Cu(kN)0.710
factor : f015.7
Limiting speeds(Grease lub.)(min-1)17000
Limiting speeds(Oil lub.)(min-1)22000
Load center spread : a(mm)12.8

Mounting dimensions,weight (reference)

da(min.)(mm)44.5 mm
Da(max.)(mm)57.5 mm
ra(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.107 kg
JTEKT

2026/07/17