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


Bearing No. 7308BDF FY

Specification data (main dimensions, etc.)

d(mm)40
D(mm)90
B(mm)46
r(min.)(mm)1.5
r1(min.)(mm)-
Basic load ratings : Cr(kN)80.6
Basic load ratings : C0r(kN)50.5
Fatigue load limit : Cu(kN)3.30
factor : f0-
Limiting speeds(Grease lub.)(min-1)5500
Limiting speeds(Oil lub.)(min-1)7400
Load center spread : a(mm)31.5

Mounting dimensions,weight (reference)

db(min.)(mm)48.5 mm
Da(max.)(mm)81.5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)1.31 kg
JTEKT

2026/07/15