Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T745238D

Specifications
(Boundary dimensions ...etc)

d(mm)368.300
D(mm)523.875
T(mm)382.588
W(mm)382.588
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)6040
Basic load ratings : C0r(kN)14100
Fatigue load limit : Cu(kN)1320
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Mounting dimensions

da(min.)(mm)403
Da(max.)(mm)508
Da(max.)(mm)483
S(min.)(mm)7.5
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Refer.

(Refer.)Mass(kg) 265
JTEKT

2025/06/01