NP636921-NP371486-NP980520-TQO configuration Bearing-FV BEARING INDUSTRIES

NP636921-NP371486-NP980520

Dimensions

Bore diameter	d	280 mm
Outside diameter	D	420 mm
Total bearing width over outer rings	T	280 mm
Total bearing width over inner rings	B	280 mm
Abutment diameter shaft	d1	≈ 302 mm
Abutment diameter housing	D1	≈ 389 mm
Inner ring radius (chamfer)	r1,2	min. 3.6 mm
Outer ring radius (chamfer)	r3,4	min. 4.5 mm

Calculation data

Basic dynamic load rating	C	4440 kN
Basic static load rating	Co	- kN
Fatigue load limit	Pu	- kN

Calculation factor
e	0.49
Y1	1.38
Y2	2.06

Weight

Application

Interchange

Mass: 131 Kg

ROLLING MILL

TIMKEN

Four-row tapered roller bearings NP636921-NP371486-NP980520 (280x420x280mm),Mass:131Kg,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.