Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. LM277149DA/110/110D

Specifications
(Boundary dimensions ...etc)

d(mm)558.800
D(mm)736.600
T(mm)457.200
W(mm)455.612
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)9630
Basic load ratings : C0r(kN)25500
Fatigue load limit : Cu(kN)2120
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)595
Da(max.)(mm)712
Da(max.)(mm)692
S(min.)(mm)11.5
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) 521
JTEKT

2025/06/01