Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T745238B

Specifications
(Boundary dimensions ...etc)

d(mm)368.300
D(mm)523.875
T(mm)382.588
W(mm)382.588
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)5940
Basic load ratings : C0r(kN)13600
Fatigue load limit : Cu(kN)1300
Axial load factors : Y2(mm)2.32
Axial load factors : Y3()3.45
Axial load factors : Y0()2.26
Constant e()0.29

Mounting dimensions

da(min.)(mm)404
Da(max.)(mm)502
Da(max.)(mm)483
S(min.)(mm)9
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)2.32
Axial load factors : Y3()3.45
Axial load factors : Y0()2.26
Constant e()0.29

Refer.

(Refer.)Mass(kg) 269
JTEKT

2025/06/01