Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T624331A

Specifications
(Boundary dimensions ...etc)

d(mm)310
D(mm)430
T(mm)310
W(mm)310
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)3780
Basic load ratings : C0r(kN)8420
Fatigue load limit : Cu(kN)846
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.64
Constant e()0.40

Mounting dimensions

da(min.)(mm)332
Da(max.)(mm)416
Da(max.)(mm)399
S(min.)(mm)10
ra(max.)(mm)2.5
rb(max.)(mm)2.5
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.64
Constant e()0.40

Refer.

(Refer.)Mass(kg) 135
JTEKT

2025/06/01