Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Extra-small, miniature ball bearings
  • Standard type
  • Extremely light contact sealed 2RD


Bearing No. 627 2RD

Specification data (main dimensions, etc.)

d(mm)7
D(mm)22
B(mm)7
r(min.)(mm)0.3
Basic load ratings : Cr(kN)4.10
Basic load ratings : C0r(kN)1.35
Fatigue load limit : Cu(kN)0.060
factor : f012.4
Limiting speeds(Grease lub.)(min-1)28000
Limiting speeds(Oil lub.)(min-1)-

Mounting dimensions,weight (reference)

da(min.)(mm)9 mm
Da(max.)(mm)20 mm
ra(max.)(mm)0.3 mm
Mass(Refer.)(kg)13 kg
JTEKT

2026/07/01