FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
>

Bearing No. LM769349D/310/310D

Specifications
(Boundary dimensions ...etc)

d(mm)431.800
D(mm)571.500
T(mm)336.550
W(mm)336.550
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)4610
Basic load ratings : C0r(kN)11300
Fatigue load limit : Cu(kN)1040
Axial load factors : Y2(mm)1.41
Axial load factors : Y3()2.10
Axial load factors : Y0()1.38
Constant e()0.48

Mounting dimensions

da(min.)(mm)463
Da(max.)(mm)549
Da(max.)(mm)534
S(min.)(mm)7
ra(max.)(mm)6.4
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.41
Axial load factors : Y3()2.10
Axial load factors : Y0()1.38
Constant e()0.48

Refer.

(Refer.)Mass(kg) 231
JTEKT

2025/02/23