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


Bearing No. 1307

Specification data (main dimensions, etc.)

d(mm)35
D(mm)80
B(mm)21
r(min.)(mm)1.5
Basic load ratings : Cr(kN)31.4
Basic load ratings : C0r(kN)7.95
Fatigue load limit : Cu(kN)0.49
Limiting speeds(Grease lub.)(min-1)7600
Limiting speeds(Oil lub.)(min-1)9300
Constant :e0.25
Axial load factors : Y12.48
Axial load factors : Y23.84
Axial load factors : Y02.60

Mounting dimensions,weight (reference)

da(min.)(mm)43 mm
Da(max.)(mm)72 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.510 kg
JTEKT

2026/07/19