FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Extra-small, miniature ball bearings
  • Standard type
  • Shielded ZZ
>

Bearing No. W683 ZZ

Specifications
(Boundary dimensions ...etc)

d(mm)3
D(mm)7
B(mm)3
r(min.)(mm)0.15
Basic load ratings : Cr(kN)0.390
Basic load ratings : C0r(kN)0.11
Fatigue load limit : Cu(kN)0.003
factor : f0()13.7
Limiting speeds(Grease lub.)(min-1)66000
Limiting speeds(Oil lub.)(min-1)-

Mounting dimensions

da(min.)(mm)4.2
Da(max.)(mm)5.8
ra(max.)(mm)0.1

Refer.

(Refer.)Mass(g) 0.3
JTEKT

2025/11/06