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


Bearing No. 32024JR

Specification data (main dimensions, etc.)

d(mm)120
D(mm)180
T(mm)38
B(mm)38
C(mm)29
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)325
Basic load ratings : C0r(kN)427
Fatigue load limit : Cu(kN)60.0
Limiting speeds(Grease lub.)(min-1)2000
Limiting speeds(Oil lub.)(min-1)2600
Load center spread : a(mm)38.8
Constant e0.46
Axial load factors : Y11.31
Axial load factors : Y00.72

Mounting dimensions,weight (reference)

da(min.)(mm)132 mm
db(max.)(mm)131 mm
Da(max.)(mm)170 mm
da(min.)(mm)161 mm
db(min.)(mm)173 mm
Sa(min.)(mm)7 mm
Sb(min.)(mm)9 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)3.34 kg
JTEKT

2026/07/02