NP639186-NP980566-NP423191-TQO configuration Bearing-FV BEARING INDUSTRIES

NP639186-NP980566-NP423191

Dimensions

Bore diameter	d	260 mm
Outside diameter	D	440 mm
Total bearing width over outer rings	T	300 mm
Total bearing width over inner rings	B	300 mm
Abutment diameter shaft	d1	≈ 297 mm
Abutment diameter housing	D1	≈ 396 mm
Inner ring radius (chamfer)	r1,2	min. 3 mm
Outer ring radius (chamfer)	r3,4	min. 6 mm

Calculation data

Basic dynamic load rating	C	4520 kN
Basic static load rating	Co	- kN
Fatigue load limit	Pu	- kN

Calculation factor
e	0.69
Y1	0.98
Y2	1.46

Weight

Application

Interchange

Mass: 176 Kg

ROLLING MILL

TIMKEN

Four-row tapered roller bearings NP639186-NP980566-NP423191 (260x440x300mm),Mass:176Kg,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.