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


Bearing No. WML4010 ZZ

Specification data (main dimensions, etc.)

d(mm)4
D(mm)10
B(mm)4
r(min.)(mm)0.1
Basic load ratings : Cr(kN)0.810
Basic load ratings : C0r(kN)0.23
Fatigue load limit : Cu(kN)0.006
factor : f013.3
Limiting speeds(Grease lub.)(min-1)56000
Limiting speeds(Oil lub.)(min-1)-

Mounting dimensions,weight (reference)

da(min.)(mm)5.2 mm
Da(max.)(mm)8.8 mm
ra(max.)(mm)0.1 mm
Mass(Refer.)(g)1.0 g
JTEKT

2026/08/08