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

Bearing No. 7064BDB FY

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)480
B(mm)148
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)795
Basic load ratings : C0r(kN)1300
Fatigue load limit : Cu(kN)33.6
factor : f0()-
Limiting speeds(Grease lub.)(min-1)710
Limiting speeds(Oil lub.)(min-1)950
Load center spread : a(mm)409.6

Mounting dimensions

da(min.)(mm)338
Db(max.)(mm)471.5
ra(max.)(mm)3
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 94.4
JTEKT

2025/06/01