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


Bearing No. 32938JR

Specification data (main dimensions, etc.)

d(mm)190
D(mm)260
T(mm)45
B(mm)45
C(mm)34
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)459
Basic load ratings : C0r(kN)789
Fatigue load limit : Cu(kN)88.6
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1600
Load center spread : a(mm)55.0
Constant e0.48
Axial load factors : Y11.26
Axial load factors : Y00.69

Mounting dimensions,weight (reference)

da(min.)(mm)202 mm
db(max.)(mm)204 mm
Da(max.)(mm)250 mm
da(min.)(mm)235 mm
db(min.)(mm)252 mm
Sa(min.)(mm)8 mm
Sb(min.)(mm)11 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)6.89 kg
JTEKT

2026/07/19