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


Bearing No. 32044JR

Specification data (main dimensions, etc.)

d(mm)220
D(mm)340
T(mm)76
B(mm)76
C(mm)57
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)1120
Basic load ratings : C0r(kN)1620
Fatigue load limit : Cu(kN)175
Limiting speeds(Grease lub.)(min-1)940
Limiting speeds(Oil lub.)(min-1)1300
Load center spread : a(mm)72.8
Constant e0.43
Axial load factors : Y11.39
Axial load factors : Y00.77

Mounting dimensions,weight (reference)

da(min.)(mm)238 mm
db(max.)(mm)243 mm
Da(max.)(mm)326 mm
da(min.)(mm)300 mm
db(min.)(mm)326 mm
Sa(min.)(mm)12 mm
Sb(min.)(mm)19 mm
ra(max.)(mm)3 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)25.2 kg
JTEKT

2026/07/05