Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33009JR

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)75
T(mm)24
B(mm)24
C(mm)19
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)87.4
Basic load ratings : C0r(kN)101
Fatigue load limit : Cu(kN)14.9
Limiting speeds(Grease lub.)(min-1)5000
Limiting speeds(Oil lub.)(min-1)6700
Load center spread : a(mm)16.4
Constant e()0.29
Axial load factors : Y1()2.04
Axial load factors : Y0()1.12

Mounting dimensions

da(min.)(mm)50.5
db(max.)(mm)51
Da(max.)(mm)69.5
Da(min.)(mm)67
Db(min.)(mm)71
Sa(min.)(mm)4
Sb(min.)(mm)5
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.416
JTEKT

2025/06/01