Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDO type
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Bearing No. 46238A

Specifications
(Boundary dimensions ...etc)

d(mm)190
D(mm)290
T(mm)94
C(mm)75
r(min.)(mm)3
r1(min.)(mm)1
Basic load ratings : Cr(kN)793
Basic load ratings : C0r(kN)1170
Fatigue load limit : Cu(kN)140
Limiting speeds(Grease lub.)(min-1)900
Limiting speeds(Oil lub.)(min-1)1200
Constant e()0.33
Axial load factors : Y2()2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98

Mounting dimensions

da(min.)(mm)204
Da(min.)(mm)274
Sa(min.)(mm)9.5
ra(max.)(mm)2.5
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 20.0
JTEKT

2025/07/03