Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. EE91700D/112/113XD

Specifications
(Boundary dimensions ...etc)

d(mm)177.800
D(mm)285.750
T(mm)222.245
W(mm)222.500
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1640
Basic load ratings : C0r(kN)2860
Fatigue load limit : Cu(kN)329
Axial load factors : Y2(mm)1.57
Axial load factors : Y3()2.34
Axial load factors : Y0()1.53
Constant e()0.43

Mounting dimensions

da(min.)(mm)201
Da(max.)(mm)273
Da(max.)(mm)251
S(min.)(mm)3.5
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.57
Axial load factors : Y3()2.34
Axial load factors : Y0()1.53
Constant e()0.43

Refer.

(Refer.)Mass(kg) 53.7
JTEKT

2025/06/01