Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30326JR

Specifications
(Boundary dimensions ...etc)

d(mm)130
D(mm)280
T(mm)63.75
B(mm)58
C(mm)49
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)823
Basic load ratings : C0r(kN)834
Fatigue load limit : Cu(kN)102
Limiting speeds(Grease lub.)(min-1)1400
Limiting speeds(Oil lub.)(min-1)1800
Load center spread : a(mm)54.0
Constant e()0.35
Axial load factors : Y1()1.74
Axial load factors : Y0()0.96

Mounting dimensions

da(min.)(mm)152
db(max.)(mm)164
Da(max.)(mm)262
Da(min.)(mm)239
Db(min.)(mm)255
Sa(min.)(mm)8
Sb(min.)(mm)14.5
ra(max.)(mm)4
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 18.1
JTEKT

2025/06/01