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


Bearing No. 7309

Specification data (main dimensions, etc.)

d(mm)45
D(mm)100
B(mm)25
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)73.1
Basic load ratings : C0r(kN)40.4
Fatigue load limit : Cu(kN)2.80
factor : f0-
Limiting speeds(Grease lub.)(min-1)6500
Limiting speeds(Oil lub.)(min-1)8000
Load center spread : a(mm)33.6

Mounting dimensions,weight (reference)

da(min.)(mm)53.5 mm
Da(max.)(mm)91.5 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.875 kg
JTEKT

2026/07/08