NNC 4920 CVDouble row cylindrical roller bearing

SKU: NNC 4920 CVDouble row cylindrical roller bearing

Double row cylindrical roller bearings are designed to accommodate high to very high radial loads in combination with medium to high speeds. The SKF assortment includes many designs and variants, such as standard and full complement bearings and also greased and sealed bearings. Depending on the configuration of the outer and inner rings, the bearings are available in locating as well as non-locating designs.

ID:186438

Dimensions - NNC 4920 CV

Dimensions

d
100 mm
Bore diameter
D
140 mm
Outside diameter
B
40 mm
Width
d1
116.5 mm
Shoulder diameter inner ring
D1
124.5 mm
Shoulder diameter outer ring
b1
5 mm
Width annular lubrication groove outer ring
K
3.5 mm
Diameter lubrication hole (outer ring)
r1,2
min. 1.1 mm
Chamfer dimension (open bearings)

Abutment dimensions - NNC 4920 CV

Abutment dimensions

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

Calculation data

Basic dynamic load rating C
209 kN
Basic static load rating C0
400 kN
Fatigue load limit Pu
46.5 kN
Reference speed
2 000 r/min
Limiting speed
2 600 r/min
Minimum load factor kr
0.25

Mass

Mass bearing
1.95 kg

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