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

Bearing No. 7068BDB FY

Specifications
(Boundary dimensions ...etc)

d(mm)340
D(mm)520
B(mm)164
r(min.)(mm)5
r1(min.)(mm)2
Basic load ratings : Cr(kN)914
Basic load ratings : C0r(kN)1550
Fatigue load limit : Cu(kN)38.7
factor : f0()-
Limiting speeds(Grease lub.)(min-1)640
Limiting speeds(Oil lub.)(min-1)860
Load center spread : a(mm)442.8

Mounting dimensions

da(min.)(mm)362
Db(max.)(mm)510
ra(max.)(mm)4
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 127
JTEKT

2025/06/01