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


Bearing No. 32313CR

Specification data (main dimensions, etc.)

d(mm)65
D(mm)140
T(mm)51
B(mm)48
C(mm)39
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)322
Basic load ratings : C0r(kN)361
Fatigue load limit : Cu(kN)49.0
Limiting speeds(Grease lub.)(min-1)2900
Limiting speeds(Oil lub.)(min-1)3900
Load center spread : a(mm)40.9
Constant e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(min.)(mm)79 mm
db(max.)(mm)79 mm
Da(max.)(mm)128 mm
da(min.)(mm)106 mm
db(min.)(mm)131 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)12 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)3.85 kg
JTEKT

2026/07/01