Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33218JR

Specifications
(Boundary dimensions ...etc)

d(mm)90
D(mm)160
T(mm)55
B(mm)55
C(mm)42
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)430
Basic load ratings : C0r(kN)527
Fatigue load limit : Cu(kN)68.3
Limiting speeds(Grease lub.)(min-1)2400
Limiting speeds(Oil lub.)(min-1)3200
Load center spread : a(mm)40.8
Constant e()0.42
Axial load factors : Y1()1.43
Axial load factors : Y0()0.78

Mounting dimensions

da(min.)(mm)102
db(max.)(mm)101
Da(max.)(mm)150
Da(min.)(mm)135
Db(min.)(mm)154
Sa(min.)(mm)9
Sb(min.)(mm)13
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 4.76
JTEKT

2025/06/01