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


Bearing No. 32005JR

Specification data (main dimensions, etc.)

d(mm)25
D(mm)47
T(mm)15
B(mm)15
C(mm)11.5
r(min.)(mm)0.6
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)37.8
Basic load ratings : C0r(kN)37.7
Fatigue load limit : Cu(kN)5.20
Limiting speeds(Grease lub.)(min-1)8300
Limiting speeds(Oil lub.)(min-1)11000
Load center spread : a(mm)11.8
Constant e0.43
Axial load factors : Y11.39
Axial load factors : Y00.77

Mounting dimensions,weight (reference)

da(min.)(mm)29.5 mm
db(max.)(mm)30 mm
Da(max.)(mm)42.5 mm
da(min.)(mm)40 mm
db(min.)(mm)44 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)3.5 mm
ra(max.)(mm)0.6 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.118 kg
JTEKT

2026/07/07