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

Bearing No. 7209BDF

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)85
B(mm)38
r(min.)(mm)1.1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)73.2
Basic load ratings : C0r(kN)52.3
Fatigue load limit : Cu(kN)3.20
factor : f0()-
Limiting speeds(Grease lub.)(min-1)4400
Limiting speeds(Oil lub.)(min-1)6000
Load center spread : a(mm)34.8

Mounting dimensions

da(min.)(mm)
db(min.)(mm)49.5
Da(max.)(mm)78
ra(max.)(mm)1
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.860
JTEKT

2025/06/01