Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDO type
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Bearing No. 46T30306DJR/31.5

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)72
T(mm)45
C(mm)31.5
r(min.)(mm)1.5
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)109
Basic load ratings : C0r(kN)110
Fatigue load limit : Cu(kN)15.4
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5400
Constant e()0.83
Axial load factors : Y2()0.82
Axial load factors : Y3()1.22
Axial load factors : Y0()0.8

Mounting dimensions

da(min.)(mm)38.5
Da(min.)(mm)68
Sa(min.)(mm)6.5
ra(max.)(mm)1.5
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.872
JTEKT

2025/06/01