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NNU 4956 BK/SPW33

NNU 4956 BK/SPW33

sales@its-bearing.com

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Overview
Part NumberNNU 4956 BK/SPW33
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
Seal TypeOpen
Bore TypeTaper 1:12
For Load DirectionCombined
ConstructionDouble Row
Dimensions
Bore Dia280 mm
Bore Dia Tolerance0 to +0.035mm
Outer Dia380 mm
Outer Dia Tolerance-0.020mm to 0
Width100 mm
Width Tolerance-0.35mm to 0
Width Annular Lubrication Groove Outer Ring(B1)13.9 mm
Shoulder Dia Of Outer Ring345.6 mm
Permissible Axial Displacement(max.)4.5 mm
Raceway Diameter Of Inner Ring312 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 Load172125 lbf
Static Radial Load405000 lbf
Max Speed (X1000 rpm)2
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight32.5 kg
NNU 4956 BK/SPW33
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