NJ 18/1320 ECMASingle row cylindrical roller bearing, NJ design

SKU: NJ 18/1320 ECMASingle row cylindrical roller bearing, NJ 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 one on the inner ring, NJ design bearings can accommodate axial displacement in one direction. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.

ID:196842

Dimensions - NJ 18/1320 ECMA

Dimensions

d
1 320 mm
Bore diameter
D
1 600 mm
Outside diameter
B
122 mm
Width
d1
1 412 mm
Shoulder diameter of inner ring
D1
1 512 mm
Shoulder diameter of outer ring
F
1 385 mm
Raceway diameter of inner ring
r1,2
min. 6 mm
Chamfer dimension
s
max. 7.7 mm
Permissible axial displacement

Abutment dimensions - NJ 18/1320 ECMA

Abutment dimensions

da
min. 1 343 mm
Diameter of spacer sleeve
da
max. 1 375 mm
Diameter of spacer sleeve
db
min. 1 420 mm
Diameter of shaft abutment
Da
max. 1 577 mm
Diameter of housing abutment
ra
max. 5 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
4 460 kN
Basic static load rating C0
11 400 kN
Fatigue load limit Pu
655 kN
Reference speed
260 r/min
Limiting speed
340 r/min
Minimum load factor kr
0.11
Limiting value e
0.2
Calculation factor Y
0.6

Mass

Mass
536 kg

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