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

Bearing No. 7309

Specifications
(Boundary 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

da(min.)(mm)53.5
Da(max.)(mm)91.5
ra(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.875
JTEKT

2025/05/24