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


Bearing No. 32312CR

Specification data (main dimensions, etc.)

d(mm)60
D(mm)130
T(mm)48.5
B(mm)46
C(mm)37
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)286
Basic load ratings : C0r(kN)310
Fatigue load limit : Cu(kN)41.4
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)38.3
Constant e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(min.)(mm)74 mm
db(max.)(mm)73 mm
Da(max.)(mm)118 mm
da(min.)(mm)98 mm
db(min.)(mm)122 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)11 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)3.15 kg
JTEKT

2026/07/04