Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30213JR

Specifications
(Boundary dimensions ...etc)

d(mm)65
D(mm)120
T(mm)24.75
B(mm)23
C(mm)20
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)160
Basic load ratings : C0r(kN)156
Fatigue load limit : Cu(kN)24.3
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)24.2
Constant e()0.40
Axial load factors : Y1()1.48
Axial load factors : Y0()0.81

Mounting dimensions

da(min.)(mm)75
db(max.)(mm)77
Da(max.)(mm)110
Da(min.)(mm)106
Db(min.)(mm)113
Sa(min.)(mm)4
Sb(min.)(mm)4.5
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 1.18
JTEKT

2025/06/24