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

Bearing No. 7209DB

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)80.5
Basic load ratings : C0r(kN)57.2
Fatigue load limit : Cu(kN)3.70
factor : f0()-
Limiting speeds(Grease lub.)(min-1)6000
Limiting speeds(Oil lub.)(min-1)7500
Load center spread : a(mm)56.0

Mounting dimensions

da(min.)(mm)52
Db(max.)(mm)80.5
ra(max.)(mm)1
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.860
JTEKT

2025/05/12