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


Bearing No. 32312J

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)277
Basic load ratings : C0r(kN)275
Fatigue load limit : Cu(kN)38.6
Limiting speeds(Grease lub.)(min-1)3100
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)32.3
Constant e0.35
Axial load factors : Y11.74
Axial load factors : Y00.96

Mounting dimensions,weight (reference)

da(min.)(mm)74 mm
db(max.)(mm)74 mm
Da(max.)(mm)118 mm
da(min.)(mm)107 mm
db(min.)(mm)120 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)11.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)2.87 kg
JTEKT

2026/07/01