Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. M274149D/110/110D

Specifications
(Boundary dimensions ...etc)

d(mm)501.650
D(mm)711.200
T(mm)520.700
W(mm)520.700
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)10500
Basic load ratings : C0r(kN)26400
Fatigue load limit : Cu(kN)2210
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)549
Da(max.)(mm)687
Da(max.)(mm)656
S(min.)(mm)10.5
ra(max.)(mm)6.4
rb(max.)(mm)3.2
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) 673
JTEKT

2025/06/01