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

Bearing No. 67782D/20/21D

Specifications
(Boundary dimensions ...etc)

d(mm)168.275
D(mm)247.650
T(mm)192.088
W(mm)192.088
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1270
Basic load ratings : C0r(kN)2800
Fatigue load limit : Cu(kN)319
Axial load factors : Y2(mm)1.54
Axial load factors : Y3()2.29
Axial load factors : Y0()1.50
Constant e()0.44

Mounting dimensions

da(min.)(mm)189
Da(max.)(mm)236
Da(max.)(mm)226
S(min.)(mm)5
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.54
Axial load factors : Y3()2.29
Axial load factors : Y0()1.50
Constant e()0.44

Refer.

(Refer.)Mass(kg) 31.7
JTEKT

2025/06/01