Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32938JR

Specifications
(Boundary dimensions ...etc)

d(mm)190
D(mm)260
T(mm)45
B(mm)45
C(mm)34
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)459
Basic load ratings : C0r(kN)789
Fatigue load limit : Cu(kN)88.6
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1600
Load center spread : a(mm)55.0
Constant e()0.48
Axial load factors : Y1()1.26
Axial load factors : Y0()0.69

Mounting dimensions

da(min.)(mm)202
db(max.)(mm)204
Da(max.)(mm)250
Da(min.)(mm)235
Db(min.)(mm)252
Sa(min.)(mm)8
Sb(min.)(mm)11
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 6.89
JTEKT

2025/06/01