Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33030JR

Specifications
(Boundary dimensions ...etc)

d(mm)150
D(mm)225
T(mm)59
B(mm)59
C(mm)46
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)575
Basic load ratings : C0r(kN)869
Fatigue load limit : Cu(kN)101
Limiting speeds(Grease lub.)(min-1)1500
Limiting speeds(Oil lub.)(min-1)2000
Load center spread : a(mm)47.8
Constant e()0.36
Axial load factors : Y1()1.65
Axial load factors : Y0()0.90

Mounting dimensions

da(min.)(mm)164
db(max.)(mm)164
Da(max.)(mm)213
Da(min.)(mm)200
Db(min.)(mm)217
Sa(min.)(mm)8
Sb(min.)(mm)13
ra(max.)(mm)2.5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 8.09
JTEKT

2025/06/12