Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDO type
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Bearing No. 46T30313JR/63

Specifications
(Boundary dimensions ...etc)

d(mm)65
D(mm)140
T(mm)79
C(mm)63
r(min.)(mm)2.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)437
Basic load ratings : C0r(kN)478
Fatigue load limit : Cu(kN)75.3
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3000
Constant e()0.35
Axial load factors : Y2()1.96
Axial load factors : Y3()2.91
Axial load factors : Y0()1.91

Mounting dimensions

da(min.)(mm)79
Da(min.)(mm)130
Sa(min.)(mm)8
ra(max.)(mm)2.5
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 5.51
JTEKT

2025/06/01