NU 2268 N2MASingle row cylindrical roller bearing

SKU: NU 2268 N2MASingle row cylindrical roller bearing

Single 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, full complement and high capacity bearings. Depending on the configuration of the outer and inner rings, the bearings are available in locating as well as non-locating designs.

ID:195769

Dimensions - NU 2268 N2MA

Dimensions

d
340 mm
Bore diameter
D
620 mm
Outside diameter
B
165 mm
Width
D1
515 mm
Shoulder diameter of outer ring
F
416 mm
Raceway diameter of inner ring
b1
15.5 mm
Width of locating slot
h
20 mm
Depth of locating slot
r1,2
min. 6 mm
Chamfer dimension
r3,4
min. 6 mm
Chamfer dimension
s
max. 8 mm
Permissible axial displacement

 

Abutment dimensions - NU 2268 N2MA

Abutment dimensions

da
min. 366 mm
Diameter of spacer sleeve
da
max. 401 mm
Diameter of spacer sleeve
db
min. 421 mm
Diameter of shaft abutment
Da
max. 594 mm
Diameter of housing abutment
ra
max. 5 mm
Radius of fillet
ra
max. 5 mm
Radius of fillet
rb
max. 5 mm
Radius of fillet

 

Calculation data

Basic dynamic load rating C
2 640 kN
Basic static load rating C0
4 500 kN
Fatigue load limit Pu
365 kN
Reference speed
1 000 r/min
Limiting speed
1 200 r/min
Minimum load factor kr
0.3
Limiting value e
0.3
Calculation factor Y
0.4

 

Mass

Mass
226 kg

 

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