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


Bearing No. 6309 2RD

Specification data (main dimensions, etc.)

d(mm)45
D(mm)100
B(mm)25
r(min.)(mm)1.5
Basic load ratings : Cr(kN)61.1
Basic load ratings : C0r(kN)29.5
Fatigue load limit : Cu(kN)2.25
factor : f013.3
Limiting speeds(Grease lub.)(min-1)6100

Mounting dimensions,weight (reference)

da(min.)(mm)53 mm
da(max.)(mm)59.5 mm
Da(max.)(mm)92 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.833 kg
JTEKT

2026/06/27