Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30232JR

Specifications
(Boundary dimensions ...etc)

d(mm)160
D(mm)290
T(mm)52
B(mm)48
C(mm)40
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)679
Basic load ratings : C0r(kN)750
Fatigue load limit : Cu(kN)89.3
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1600
Load center spread : a(mm)56.3
Constant e()0.44
Axial load factors : Y1()1.38
Axial load factors : Y0()0.76

Mounting dimensions

da(min.)(mm)178
db(max.)(mm)189
Da(max.)(mm)276
Da(min.)(mm)252
Db(min.)(mm)269
Sa(min.)(mm)8
Sb(min.)(mm)12
ra(max.)(mm)3
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 14.1
JTEKT

2025/06/01