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

Bearing No. 7009DB FY

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)75
B(mm)32
r(min.)(mm)1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)45.2
Basic load ratings : C0r(kN)35.4
Fatigue load limit : Cu(kN)2.00
factor : f0()-
Limiting speeds(Grease lub.)(min-1)8000
Limiting speeds(Oil lub.)(min-1)10000
Load center spread : a(mm)50.7

Mounting dimensions

da(min.)(mm)50.5
Db(max.)(mm)70.5
ra(max.)(mm)1
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.520
JTEKT

2025/06/01