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

Bearing No. 4TR3827

Specifications
(Boundary dimensions ...etc)

d(mm)190.000
D(mm)270.000
T(mm)190.000
W(mm)190.000
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1250
Basic load ratings : C0r(kN)2810
Fatigue load limit : Cu(kN)313
Axial load factors : Y2(mm)1.42
Axial load factors : Y3()2.11
Axial load factors : Y0()1.38
Constant e()0.48

Mounting dimensions

da(min.)(mm)208
Da(max.)(mm)257
Da(max.)(mm)244
S(min.)(mm)6
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.42
Axial load factors : Y3()2.11
Axial load factors : Y0()1.38
Constant e()0.48

Refer.

(Refer.)Mass(kg) 34.7
JTEKT

2025/06/18