NP834407-NP402991-NP677830-TQO configuration Bearing-FV BEARING INDUSTRIES

NP834407-NP402991-NP677830

Dimensions

Bore diameter	d	440 mm
Outside diameter	D	650 mm
Total bearing width over outer rings	T	353.5 mm
Total bearing width over inner rings	B	353.5 mm
Abutment diameter shaft	d1	≈ 477 mm
Abutment diameter housing	D1	≈ 609 mm
Inner ring radius (chamfer)	r1,2	min. 6 mm
Outer ring radius (chamfer)	r3,4	min. 6 mm

Calculation data

Basic dynamic load rating	C	8220 kN
Basic static load rating	Co	- kN
Fatigue load limit	Pu	- kN

Calculation factor
e	0.45
Y1	1.51
Y2	2.25

Weight

Application

Interchange

Mass: 394 Kg

ROLLING MILL

TIMKEN

Four-row tapered roller bearings NP834407-NP402991-NP677830 (440x650x353.5mm),Mass:394Kg,Rolling mill bearings manufacturer.Roll neck bearings made by FV perfectly replace the original bearings.

FOUR-ROW TAPERED ROLLER BEARINGS

Engineered for use in rolling mill roll-neck applications with high-radial and axial load capacity. FV's wide range of four-row tapered roller bearings are used extensively on flat product mills in work rolls, intermediate rolls and backup rolls, as well as in long product work rolls.