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


Bearing No. 32030JR

Specification data (main dimensions, etc.)

d(mm)150
D(mm)225
T(mm)48
B(mm)48
C(mm)36
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)492
Basic load ratings : C0r(kN)668
Fatigue load limit : Cu(kN)79.6
Limiting speeds(Grease lub.)(min-1)1500
Limiting speeds(Oil lub.)(min-1)2000
Load center spread : a(mm)48.8
Constant e0.46
Axial load factors : Y11.31
Axial load factors : Y00.72

Mounting dimensions,weight (reference)

da(min.)(mm)164 mm
db(max.)(mm)164 mm
Da(max.)(mm)213 mm
da(min.)(mm)200 mm
db(min.)(mm)216 mm
Sa(min.)(mm)8 mm
Sb(min.)(mm)12 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)6.41 kg
JTEKT

2026/08/01