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


Bearing No. 32306CR

Specification data (main dimensions, etc.)

d(mm)30
D(mm)72
T(mm)28.75
B(mm)27
C(mm)23
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)100
Basic load ratings : C0r(kN)93.8
Fatigue load limit : Cu(kN)13.4
Limiting speeds(Grease lub.)(min-1)6000
Limiting speeds(Oil lub.)(min-1)8000
Load center spread : a(mm)22.0
Constant e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(min.)(mm)38.5 mm
db(max.)(mm)37 mm
Da(max.)(mm)63.5 mm
da(min.)(mm)54 mm
db(min.)(mm)68 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)5.5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.610 kg
JTEKT

2026/07/23