Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Shielded/sealed type
  • Extremely light contact sealed
>

Bearing No. 6308 2RD

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)90
B(mm)23
r(min.)(mm)1.5
Basic load ratings : Cr(kN)50.9
Basic load ratings : C0r(kN)24.0
Fatigue load limit : Cu(kN)1.85
factor : f0()13.2
Limiting speeds(Grease lub.)(min-1)6900
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)48
da(max.)(mm)51.5
Da(max.)(mm)82
ra(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.633
JTEKT

2025/05/10