NU 31/530 ECMA/HB1Single row cylindrical roller bearing, NU design

SKU: NU 31/530 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:196281

Dimensions - NU 31/530 ECMA/HB1

Dimensions

d
530 mm
Bore diameter
D
870 mm
Outside diameter
B
272 mm
Width
D1
764 mm
Shoulder diameter of outer ring
F
612 mm
Raceway diameter of inner ring
r1,2
min. 7.5 mm
Chamfer dimension
s
max. 3 mm
Permissible axial displacement

Abutment dimensions - NU 31/530 ECMA/HB1

Abutment dimensions

da
min. 562 mm
Diameter of spacer sleeve
da
max. 605 mm
Diameter of spacer sleeve
db
min. 617 mm
Diameter of shaft abutment
Da
max. 838 mm
Diameter of housing abutment
ra
max. 6 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
7 480 kN
Basic static load rating C0
14 600 kN
Fatigue load limit Pu
1 040 kN
Reference speed
560 r/min
Limiting speed
950 r/min
Minimum load factor kr
0.21
Limiting value e
0.3
Calculation factor Y
0

Mass

Mass
660 kg

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