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


Bearing No. 32038JR

Specification data (main dimensions, etc.)

d(mm)190
D(mm)290
T(mm)64
B(mm)64
C(mm)48
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)823
Basic load ratings : C0r(kN)1170
Fatigue load limit : Cu(kN)131
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1500
Load center spread : a(mm)62.9
Constant e0.44
Axial load factors : Y11.36
Axial load factors : Y00.75

Mounting dimensions,weight (reference)

da(min.)(mm)204 mm
db(max.)(mm)209 mm
Da(max.)(mm)278 mm
da(min.)(mm)257 mm
db(min.)(mm)279 mm
Sa(min.)(mm)10 mm
Sb(min.)(mm)16 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)14.7 kg
JTEKT

2026/08/12