Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Tandem
  • With machined cage


Bearing No. 7308BDT FY

Specification data (main dimensions, etc.)

d(mm)40
D(mm)90
B(mm)46
r(min.)(mm)1.5
r1(min.)(mm)1
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

Mounting dimensions,weight (reference)

da(min.)(mm)48.5 mm
db(min.)(mm)45.5 mm
Da(max.)(mm)81.5 mm
db(max.)(mm)84.5 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.31 kg
JTEKT

2026/07/04