Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. EE724121D/195/196D

Specifications
(Boundary dimensions ...etc)

d(mm)304.800
D(mm)495.300
T(mm)349.250
W(mm)342.900
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)4700
Basic load ratings : C0r(kN)9370
Fatigue load limit : Cu(kN)922
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)355
Da(max.)(mm)474
Da(max.)(mm)438
S(min.)(mm)7
ra(max.)(mm)6.4
rb(max.)(mm)3.2
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) 267
JTEKT

2025/06/01