Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33024JR

Specifications
(Boundary 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 e()0.31
Axial load factors : Y1()1.97
Axial load factors : Y0()1.08

Mounting dimensions

da(min.)(mm)132
db(max.)(mm)132
Da(max.)(mm)170
Da(min.)(mm)160
Db(min.)(mm)171
Sa(min.)(mm)6
Sb(min.)(mm)10
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 4.16
JTEKT

2025/06/01