Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Back-to-back
  • With pressed cage
>

Bearing No. 7309CDB

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)100
B(mm)50
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)127
Basic load ratings : C0r(kN)86.7
Fatigue load limit : Cu(kN)6.40
factor : f0()13.5
Limiting speeds(Grease lub.)(min-1)7200
Limiting speeds(Oil lub.)(min-1)9600
Load center spread : a(mm)44.6

Mounting dimensions

da(min.)(mm)53.5
Db(max.)(mm)94.5
ra(max.)(mm)1.5
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 1.75
JTEKT

2025/05/09