Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30206JR

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)62
T(mm)17.25
B(mm)16
C(mm)14
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)51.8
Basic load ratings : C0r(kN)44.8
Fatigue load limit : Cu(kN)6.45
Limiting speeds(Grease lub.)(min-1)6500
Limiting speeds(Oil lub.)(min-1)8700
Load center spread : a(mm)14.1
Constant e()0.37
Axial load factors : Y1()1.60
Axial load factors : Y0()0.88

Mounting dimensions

da(min.)(mm)35.5
db(max.)(mm)37
Da(max.)(mm)56.5
Da(min.)(mm)53
Db(min.)(mm)57
Sa(min.)(mm)2
Sb(min.)(mm)3
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.236
JTEKT

2025/06/12