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

Bearing No. W687 ZZ

Specifications
(Boundary dimensions ...etc)

d(mm)7
D(mm)14
B(mm)5
r(min.)(mm)0.15
Basic load ratings : Cr(kN)1.45
Basic load ratings : C0r(kN)0.51
Fatigue load limit : Cu(kN)0.010
factor : f0()14.2
Limiting speeds(Grease lub.)(min-1)45000
Limiting speeds(Oil lub.)(min-1)-

Mounting dimensions

da(min.)(mm)8.2
Da(max.)(mm)12.8
ra(max.)(mm)0.15

Refer.

(Refer.)Mass(g) 2.0
JTEKT

2025/10/24