Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Single-row
  • With pressed cage
>

Bearing No. 7308

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)90
B(mm)23
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)61.0
Basic load ratings : C0r(kN)32.9
Fatigue load limit : Cu(kN)2.30
factor : f0()-
Limiting speeds(Grease lub.)(min-1)7300
Limiting speeds(Oil lub.)(min-1)9600
Load center spread : a(mm)30.3

Mounting dimensions

da(min.)(mm)48.5
Da(max.)(mm)81.5
ra(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.657
JTEKT

2025/07/01