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NNU 4972 BK/SPW33

NNU 4972 BK/SPW33

sales@its-bearing.com

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Overview
Part NumberNNU 4972 BK/SPW33
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
Seal TypeOpen
Bore TypeTaper 1:12
For Load DirectionCombined
ConstructionDouble Row
Dimensions
Bore Dia360 mm
Bore Dia Tolerance0 to +0.040mm
Outer Dia480 mm
Outer Dia Tolerance-0.023mm to 0
Width118 mm
Width Tolerance-0.40mm to 0
Width Annular Lubrication Groove Outer Ring(B1)16.7 mm
Shoulder Dia Of Outer Ring439 mm
Permissible Axial Displacement(max.)5.5 mm
Raceway Diameter Of Inner Ring399 mm
Chamfer Dimension Inner Ring(r3,4)(min.)1.5 mm
Chamfer Dimension Outer Ring(r1,2)(min.)3 mm
Diameter Lubrication Hole (Outer Ring) (K)9 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Performance
Dynamic Radial Load252000 lbf
Static Radial Load630000 lbf
Max Speed (X1000 rpm)2
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight55 kg
NNU 4972 BK/SPW33
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