Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 4TR520

Specifications
(Boundary dimensions ...etc)

d(mm)520
D(mm)735
T(mm)535
W(mm)535
r(min.)(mm)5
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)11400
Basic load ratings : C0r(kN)27200
Fatigue load limit : Cu(kN)2270
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)564
Da(max.)(mm)713
Da(max.)(mm)681
S(min.)(mm)11.5
ra(max.)(mm)4
rb(max.)(mm)2.5
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) 726
JTEKT

2025/06/01