Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDO type
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Bearing No. 46T30218JR/61

Specifications
(Boundary dimensions ...etc)

d(mm)90
D(mm)160
T(mm)74
C(mm)61
r(min.)(mm)2
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)438
Basic load ratings : C0r(kN)522
Fatigue load limit : Cu(kN)78.1
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2500
Constant e()0.42
Axial load factors : Y2()1.61
Axial load factors : Y3()2.39
Axial load factors : Y0()1.57

Mounting dimensions

da(min.)(mm)102
Da(min.)(mm)150
Sa(min.)(mm)6.5
ra(max.)(mm)2
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 5.85
JTEKT

2025/06/01