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

Bearing No. 7040DB FY

Specifications
(Boundary dimensions ...etc)

d(mm)200
D(mm)310
B(mm)102
r(min.)(mm)2.1
r1(min.)(mm)1.1
Basic load ratings : Cr(kN)495
Basic load ratings : C0r(kN)618
Fatigue load limit : Cu(kN)20.0
factor : f0()-
Limiting speeds(Grease lub.)(min-1)1700
Limiting speeds(Oil lub.)(min-1)2100
Load center spread : a(mm)198.3

Mounting dimensions

da(min.)(mm)212
Db(max.)(mm)303
ra(max.)(mm)2
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 25.4
JTEKT

2025/06/01