Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type


Bearing No. 1309

Specification data (main dimensions, etc.)

d(mm)45
D(mm)100
B(mm)25
r(min.)(mm)1.5
Basic load ratings : Cr(kN)47.6
Basic load ratings : C0r(kN)12.9
Fatigue load limit : Cu(kN)0.80
Limiting speeds(Grease lub.)(min-1)6100
Limiting speeds(Oil lub.)(min-1)7500
Constant :e0.25
Axial load factors : Y12.56
Axial load factors : Y23.95
Axial load factors : Y02.68

Mounting dimensions,weight (reference)

da(min.)(mm)53 mm
Da(max.)(mm)92 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.957 kg
JTEKT

2026/07/01