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


Bearing No. 33024JR

Specification data (main dimensions, etc.)

d(mm)120
D(mm)180
T(mm)48
B(mm)48
C(mm)38
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)375
Basic load ratings : C0r(kN)540
Fatigue load limit : Cu(kN)68.5
Limiting speeds(Grease lub.)(min-1)2000
Limiting speeds(Oil lub.)(min-1)2600
Load center spread : a(mm)36.2
Constant e0.31
Axial load factors : Y11.97
Axial load factors : Y01.08

Mounting dimensions,weight (reference)

da(min.)(mm)132 mm
db(max.)(mm)132 mm
Da(max.)(mm)170 mm
da(min.)(mm)160 mm
db(min.)(mm)171 mm
Sa(min.)(mm)6 mm
Sb(min.)(mm)10 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)4.16 kg
JTEKT

2026/07/06