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

Bearing No. M280249D/210/210XD

Specifications
(Boundary dimensions ...etc)

d(mm)603.250
D(mm)857.250
T(mm)622.300
W(mm)622.300
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)15500
Basic load ratings : C0r(kN)38500
Fatigue load limit : Cu(kN)3020
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)652
Da(max.)(mm)833
Da(max.)(mm)788
S(min.)(mm)12
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) 1170
JTEKT

2025/06/01