Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. M383240D/210/210D

Specifications
(Boundary dimensions ...etc)

d(mm)714.375
D(mm)1016
T(mm)704.850
W(mm)704.850
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)20900
Basic load ratings : C0r(kN)52200
Fatigue load limit : Cu(kN)3880
Axial load factors : Y2(mm)1.92
Axial load factors : Y3()2.86
Axial load factors : Y0()1.88
Constant e()0.35

Mounting dimensions

da(min.)(mm)776
Da(max.)(mm)992
Da(max.)(mm)940
S(min.)(mm)14.5
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)1.92
Axial load factors : Y3()2.86
Axial load factors : Y0()1.88
Constant e()0.35

Refer.

(Refer.)Mass(kg) 1900
JTEKT

2025/06/01