Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32948JR

Specifications
(Boundary dimensions ...etc)

d(mm)240
D(mm)320
T(mm)51
B(mm)51
C(mm)39
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)645
Basic load ratings : C0r(kN)1090
Fatigue load limit : Cu(kN)119
Limiting speeds(Grease lub.)(min-1)940
Limiting speeds(Oil lub.)(min-1)1300
Load center spread : a(mm)64.5
Constant e()0.46
Axial load factors : Y1()1.31
Axial load factors : Y0()0.72

Mounting dimensions

da(min.)(mm)254
db(max.)(mm)254
Da(max.)(mm)308
Da(min.)(mm)294
Db(min.)(mm)311
Sa(min.)(mm)9
Sb(min.)(mm)12
ra(max.)(mm)2.5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 10.9
JTEKT

2025/06/01