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NNU 4980 B/SPW33

NNU 4980 B/SPW33

sales@its-bearing.com

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Overview
Part NumberNNU 4980 B/SPW33
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
Seal TypeOpen
Bore TypeCylindrical
For Load DirectionCombined
ConstructionDouble Row
Dimensions
Bore Dia400 mm
Bore Dia Tolerance-0.023mm to 0
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.)4 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
Weight88 kg
NNU 4980 B/SPW33
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