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NNU 4980 BK/SPW33

NNU 4980 BK/SPW33

sales@its-bearing.com

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Overview
Part NumberNNU 4980 BK/SPW33
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
Seal TypeOpen
Bore TypeTaper 1:12
For Load DirectionCombined
ConstructionDouble Row
Dimensions
Bore Dia400 mm
Bore Dia Tolerance0 to +0.040mm
Outer Dia540 mm
Outer Dia Tolerance-0.028mm to 0
Width140 mm
Width Tolerance-0.40mm to 0
Width Annular Lubrication Groove Outer Ring(B1)16.7 mm
Shoulder Dia Of Outer Ring490.8 mm
Permissible Axial Displacement(max.)5.5 mm
Raceway Diameter Of Inner Ring446 mm
Chamfer Dimension Inner Ring(r3,4)(min.)2.5 mm
Chamfer Dimension Outer Ring(r1,2)(min.)4 mm
Diameter Lubrication Hole (Outer Ring) (K)9 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Performance
Dynamic Radial Load330750 lbf
Static Radial Load855000 lbf
Max Speed (X1000 rpm)2
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight87.5 kg
NNU 4980 BK/SPW33
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