Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series


Bearing No. 32012JR

Specification data (main dimensions, etc.)

d(mm)60
D(mm)95
T(mm)23
B(mm)23
C(mm)17.5
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)108
Basic load ratings : C0r(kN)127
Fatigue load limit : Cu(kN)19.0
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5200
Load center spread : a(mm)21.0
Constant e0.43
Axial load factors : Y11.39
Axial load factors : Y00.77

Mounting dimensions,weight (reference)

da(min.)(mm)68.5 mm
db(max.)(mm)67 mm
Da(max.)(mm)86.5 mm
da(min.)(mm)85 mm
db(min.)(mm)91 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)5.5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.621 kg
JTEKT

2026/07/29