Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. LM275349D/10/10D

Specifications
(Boundary dimensions ...etc)

d(mm)520.700
D(mm)711.200
T(mm)400.050
W(mm)400.050
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)7500
Basic load ratings : C0r(kN)17500
Fatigue load limit : Cu(kN)1550
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)562
Da(max.)(mm)687
Da(max.)(mm)663
S(min.)(mm)7
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) 438
JTEKT

2025/06/01