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

Bearing No. 7030DB FY

Specifications
(Boundary dimensions ...etc)

d(mm)150
D(mm)225
B(mm)70
r(min.)(mm)2.1
r1(min.)(mm)1.1
Basic load ratings : Cr(kN)278
Basic load ratings : C0r(kN)308
Fatigue load limit : Cu(kN)11.9
factor : f0()-
Limiting speeds(Grease lub.)(min-1)2400
Limiting speeds(Oil lub.)(min-1)3000
Load center spread : a(mm)144.2

Mounting dimensions

da(min.)(mm)162
Db(max.)(mm)218
ra(max.)(mm)2
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 8.86
JTEKT

2025/06/01