Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Shielded/sealed type
  • Extremely light contact sealed


Bearing No. 63/28 2RD

Specification data (main dimensions, etc.)

d(mm)28
D(mm)68
B(mm)18
r(min.)(mm)1.1
Basic load ratings : Cr(kN)29.4
Basic load ratings : C0r(kN)13.1
Fatigue load limit : Cu(kN)0.990
factor : f013.3
Limiting speeds(Grease lub.)(min-1)9000

Mounting dimensions,weight (reference)

da(min.)(mm)34.5 mm
da(max.)(mm)37.5 mm
Da(max.)(mm)61.5 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.328 kg
JTEKT

2026/07/04