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


Bearing No. 32238JR

Specification data (main dimensions, etc.)

d(mm)190
D(mm)340
T(mm)97
B(mm)92
C(mm)75
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)1370
Basic load ratings : C0r(kN)1740
Fatigue load limit : Cu(kN)187
Limiting speeds(Grease lub.)(min-1)1000
Limiting speeds(Oil lub.)(min-1)1300
Load center spread : a(mm)81.9
Constant e0.44
Axial load factors : Y11.38
Axial load factors : Y00.76

Mounting dimensions,weight (reference)

da(min.)(mm)212 mm
db(max.)(mm)216 mm
Da(max.)(mm)322 mm
da(min.)(mm)286 mm
db(min.)(mm)323 mm
Sa(min.)(mm)12 mm
Sb(min.)(mm)22 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)36.6 kg
JTEKT

2026/07/01