Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32956JR

Specifications
(Boundary dimensions ...etc)

d(mm)280
D(mm)380
T(mm)63.5
B(mm)63.5
C(mm)48
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)949
Basic load ratings : C0r(kN)1630
Fatigue load limit : Cu(kN)168
Limiting speeds(Grease lub.)(min-1)770
Limiting speeds(Oil lub.)(min-1)1000
Load center spread : a(mm)75.1
Constant e()0.43
Axial load factors : Y1()1.39
Axial load factors : Y0()0.76

Mounting dimensions

da(min.)(mm)294
db(max.)(mm)298
Da(max.)(mm)368
Da(min.)(mm)347
Db(min.)(mm)368
Sa(min.)(mm)11
Sb(min.)(mm)15.5
ra(max.)(mm)2.5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 20.1
JTEKT

2025/06/01