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

Bearing No. 7411BDB FY

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)140
B(mm)66
r(min.)(mm)2.1
r1(min.)(mm)1.1
Basic load ratings : Cr(kN)224
Basic load ratings : C0r(kN)153
Fatigue load limit : Cu(kN)11.0
factor : f0()-
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4500
Load center spread : a(mm)115.7

Mounting dimensions

da(min.)(mm)67
Db(max.)(mm)133
ra(max.)(mm)2
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 4.72
JTEKT

2025/06/01