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

Bearing No. 6903 2RD

Specifications
(Boundary dimensions ...etc)

d(mm)17
D(mm)30
B(mm)7
r(min.)(mm)0.3
Basic load ratings : Cr(kN)5.75
Basic load ratings : C0r(kN)2.55
Fatigue load limit : Cu(kN)0.130
factor : f0()14.7
Limiting speeds(Grease lub.)(min-1)21000
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)19
da(max.)(mm)19.5
Da(max.)(mm)28
ra(max.)(mm)0.3

Refer.

(Refer.)Mass(kg) 0.018
JTEKT

2024/12/22