NJ328ECJ SKF Cylindrical Roller Bearing 140x300x62mm

SKF Single row cylindrical roller bearing, NJ design

SKF 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.

High radial load carrying capacity
Low friction
Long service life
Locate the shaft axially in one direction
Separable design

Dimensions
d 140 mm Bore diameter
D 300 mm Outside diameter
B 62 mm Width
d1 195 mm Shoulder diameter of inner ring
D1 250.6 mm Shoulder diameter of outer ring
F 180 mm Raceway diameter of inner ring
r1,2 min. 4 mm Chamfer dimension
r3,4 min. 4 mm Chamfer dimension
s max. 3.7 mm Permissible axial displacement

Abutment dimensions
da min. 157 mm Diameter of spacer sleeve
da max. 175 mm Diameter of spacer sleeve
db min. 199 mm Diameter of shaft abutment
Da max. 282.5 mm Diameter of housing abutment
ra max. 3 mm Radius of fillet

Calculation data
Basic dynamic load rating C 780 kN
Basic static load rating C0 830 kN
Fatigue load limit Pu 88 kN
Reference speed 2 400 r/min
Limiting speed 2 800 r/min
Minimum load factor kr 0.15
Limiting value e 0.2
Calculation factor Y 0.6

Mass
Mass 20 kg

Properties
Bearing part Complete bearing
Axial displacement capability In one direction
Number of rows 1
Locating feature, bearing outer ring None
Bore type Cylindrical
Cage Sheet metal
Number of flanges, outer ring 2
Number of flanges, inner ring 1
Loose flange None
Radial internal clearance CN
Coating Without
Sealing Without
Lubricant None