NCF 2920 CVSingle row full complement cylindrical roller bearing, NCF design

SKU: NCF 2920 CVSingle row full complement cylindrical roller bearing, NCF design

Single row full complement cylindrical roller bearings are designed to accommodate very high radial loads in combination with moderate speeds. The bearings incorporate a maximum number of rollers as they are not equipped with a cage. Having two integral flanges on the inner ring and one flange on the outer ring, NCF design bearings can accommodate axial displacement in one direction. A retaining ring on the outer ring holds the bearing together. The retaining ring should not be loaded axially during operation.

ID:184931

Dimensions - NCF 2920 CV

Dimensions

d
100 mm
Bore diameter
D
140 mm
Outside diameter
B
24 mm
Width
d1
114 mm
Shoulder diameter inner ring
D1
126 mm
Shoulder diameter outer ring
E
130.6 mm
Raceway diameter outer ring
s
max. 1.3 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other
r1,2
min. 1.1 mm
Chamfer dimension
r3,4
min. 1 mm
Chamfer dimension

Abutment dimensions - NCF 2920 CV

Abutment dimensions

da
min. 106 mm
Abutment diameter shaft
das
111 mm
Abutment diameter shaft
Da
max. 134 mm
Abutment diameter housing
Db
max. 134 mm
Abutment diameter housing
ra
max. 1 mm
Fillet radius
rb
max. 1 mm
Fillet radius

Calculation data

Basic dynamic load rating C
128 kN
Basic static load rating C0
200 kN
Fatigue load limit Pu
24.5 kN
Reference speed
2 000 r/min
Limiting speed
2 600 r/min
Calculation factor kr
0.2
Limiting value e
0.3
Calculation factor Y
0.4

Mass

Mass bearing
1.09 kg

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