Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 47T221817

Specifications
(Boundary dimensions ...etc)

d(mm)110
D(mm)180
T(mm)170
W(mm)170
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)1070
Basic load ratings : C0r(kN)1770
Fatigue load limit : Cu(kN)254
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)126
Da(max.)(mm)174.5
Da(max.)(mm)162
S(min.)(mm)6.5
ra(max.)(mm)1
rb(max.)(mm)1
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) 17
JTEKT

2025/06/01