NCF 2344 ECJBSingle row high-capacity cylindrical roller bearing, NCF design

SKU: NCF 2344 ECJBSingle row high-capacity cylindrical roller bearing, NCF design

SKF single row high-capacity cylindrical roller bearings have the very high load carrying capacity of full complement bearings and the high speed capability of bearings with a cage. They are designed for applications such as industrial gearboxes, wind turbine gearboxes and mining equipment. Their internal design enables the bearings to accommodate axial displacement in one direction. The bearings are of non-separable design.

ID:185236

Dimensions - NCF 2344 ECJB

Dimensions

d
220 mm
Bore diameter
D
460 mm
Outside diameter
B
145 mm
Width
d1
302.1 mm
Shoulder diameter inner ring
D1
391.8 mm
Shoulder diameter outer ring
E
413 mm
Raceway diameter outer ring
s
max. 10.4 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other
r1,2
min. 5 mm
Chamfer dimension

Abutment dimensions - NCF 2344 ECJB

Abutment dimensions

da
min. 240 mm
Abutment diameter shaft
da
max. 290 mm
Abutment diameter shaft
Da
min. 386 mm
Abutment diameter housing
Da
max. 440 mm
Abutment diameter housing
ra
max. 4 mm
Fillet radius
ra
max. 4 mm
Fillet radius

Calculation data

Basic dynamic load rating C
2 510 kN
Basic static load rating C0
3 650 kN
Fatigue load limit Pu
335 kN
Reference speed
1 300 r/min
Limiting speed
2 000 r/min
Calculation factor kr
0.2

Mass

Mass bearing
115 kg

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