NU 31/500 ECMA/HB1Single row cylindrical roller bearing, NU design

SKU: NU 31/500 ECMA/HB1Single row cylindrical roller bearing, NU design

Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.

ID:196247

Dimensions - NU 31/500 ECMA/HB1

Dimensions

d
500 mm
Bore diameter
D
830 mm
Outside diameter
B
264 mm
Width
D1
728 mm
Shoulder diameter of outer ring
F
576 mm
Raceway diameter of inner ring
r1,2
min. 7.5 mm
Chamfer dimension
s
max. 14.5 mm
Permissible axial displacement

Abutment dimensions - NU 31/500 ECMA/HB1

Abutment dimensions

da
min. 532 mm
Diameter of spacer sleeve
da
max. 564 mm
Diameter of spacer sleeve
db
min. 581 mm
Diameter of shaft abutment
Da
max. 798 mm
Diameter of housing abutment
ra
max. 6 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
6 440 kN
Basic static load rating C0
12 000 kN
Fatigue load limit Pu
880 kN
Reference speed
600 r/min
Limiting speed
1 000 r/min
Minimum load factor kr
0.21
Limiting value e
0.3
Calculation factor Y
0

Mass

Mass
595 kg

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