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

Bearing No. 7910CDB FY

Specifications
(Boundary dimensions ...etc)

d(mm)50
D(mm)72
B(mm)24
r(min.)(mm)0.6
r1(min.)(mm)0.3
Basic load ratings : Cr(kN)35.4
Basic load ratings : C0r(kN)31.4
Fatigue load limit : Cu(kN)1.70
factor : f0()16.2
Limiting speeds(Grease lub.)(min-1)11000
Limiting speeds(Oil lub.)(min-1)15000
Load center spread : a(mm)28.3

Mounting dimensions

da(min.)(mm)54.5
Db(max.)(mm)69.5
ra(max.)(mm)0.6
rb(max.)(mm)0.3

Refer.

(Refer.)Mass(kg) 0.256
JTEKT

2025/06/01