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


Bearing No. 7308B FY

Specification data (main dimensions, etc.)

d(mm)40
D(mm)90
B(mm)23
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)49.6
Basic load ratings : C0r(kN)25.2
Fatigue load limit : Cu(kN)1.65
factor : f0-
Limiting speeds(Grease lub.)(min-1)6900
Limiting speeds(Oil lub.)(min-1)9200
Load center spread : a(mm)38.8

Mounting dimensions,weight (reference)

da(min.)(mm)48.5 mm
Da(max.)(mm)81.5 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.657 kg
JTEKT

2026/07/01