Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30222JR

Specifications
(Boundary dimensions ...etc)

d(mm)110
D(mm)200
T(mm)41
B(mm)38
C(mm)32
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)405
Basic load ratings : C0r(kN)434
Fatigue load limit : Cu(kN)58.1
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2500
Load center spread : a(mm)40.8
Constant e()0.42
Axial load factors : Y1()1.43
Axial load factors : Y0()0.79

Mounting dimensions

da(min.)(mm)124
db(max.)(mm)129
Da(max.)(mm)188
Da(min.)(mm)174
Db(min.)(mm)188
Sa(min.)(mm)6
Sb(min.)(mm)9
ra(max.)(mm)2.5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 5.33
JTEKT

2025/06/16