Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 4TR1020

Specifications
(Boundary dimensions ...etc)

d(mm)1020
D(mm)1570
T(mm)900
W(mm)900
r(min.)(mm)7.5
r1(min.)(mm)7.5
Basic load ratings : Cr(kN)39200
Basic load ratings : C0r(kN)98800
Fatigue load limit : Cu(kN)6540
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)1172
Da(max.)(mm)1534
Da(max.)(mm)1413
S(min.)(mm)21
ra(max.)(mm)6
rb(max.)(mm)6
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) 6890
JTEKT

2025/06/01