Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Extra-small, miniature ball bearings
  • Flanged type
  • Open


Bearing No. F623

Specification data (main dimensions, etc.)

d(mm)3
D(mm)10
B(mm)4
r(min.)(mm)0.15
Basic load ratings : Cr(kN)0.80
Basic load ratings : C0r(kN)0.22
Fatigue load limit : Cu(kN)0.006
factor : f012.4
Limiting speeds(Grease lub.)(min-1)61000
Limiting speeds(Oil lub.)(min-1)72000
Dimensions of flange D1(mm)11.5
Dimensions of flange C1(mm)1

Mounting dimensions,weight (reference)

da(min.)(mm)4.2 mm
ra(max.)(mm)0.15 mm
Mass(Refer.)(g)1.8 g
JTEKT

2026/08/11