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NNU 4948 BK/SPW33

NNU 4948 BK/SPW33

sales@its-bearing.com

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Overview
Part NumberNNU 4948 BK/SPW33
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
Seal TypeOpen
Bore TypeTaper 1:12
For Load DirectionCombined
ConstructionDouble Row
Dimensions
Bore Dia240 mm
Bore Dia Tolerance0 to +0.030mm
Outer Dia320 mm
Outer Dia Tolerance-0.020mm to 0
Width80 mm
Width Tolerance-0.30mm to 0
Width Annular Lubrication Groove Outer Ring(B1)11.1 mm
Shoulder Dia Of Outer Ring292.2 mm
Permissible Axial Displacement(max.)3.7 mm
Raceway Diameter Of Inner Ring265 mm
Chamfer Dimension Inner Ring(r3,4)(min.)1.1 mm
Chamfer Dimension Outer Ring(r1,2)(min.)2.1 mm
Diameter Lubrication Hole (Outer Ring) (K)3 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Performance
Dynamic Radial Load118800 lbf
Static Radial Load274500 lbf
Max Speed (X1000 rpm)3
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight17.5 kg
NNU 4948 BK/SPW33
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