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

Bearing No. 7405BDB

Specifications
(Boundary dimensions ...etc)

d(mm)25
D(mm)80
B(mm)42
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)80.4
Basic load ratings : C0r(kN)47.8
Fatigue load limit : Cu(kN)3.40
factor : f0()-
Limiting speeds(Grease lub.)(min-1)4400
Limiting speeds(Oil lub.)(min-1)6500
Load center spread : a(mm)67.2

Mounting dimensions

da(min.)(mm)33.5
Db(max.)(mm)74.5
ra(max.)(mm)1.5
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 1.05
JTEKT

2025/05/11