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NNU 4938 BK/SPW33

NNU 4938 BK/SPW33

sales@its-bearing.com

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Overview
Part NumberNNU 4938 BK/SPW33
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
Seal TypeOpen
Bore TypeTaper 1:12
For Load DirectionCombined
ConstructionDouble Row
Dimensions
Bore Dia190 mm
Bore Dia Tolerance0 to +0.030mm
Outer Dia260 mm
Outer Dia Tolerance-0.018mm to 0
Width69 mm
Width Tolerance-0.30mm to 0
Width Annular Lubrication Groove Outer Ring(B1)8.3 mm
Shoulder Dia Of Outer Ring236 mm
Permissible Axial Displacement(max.)1.1 mm
Raceway Diameter Of Inner Ring212 mm
Chamfer Dimension Inner Ring(r3,4)(min.)1 mm
Chamfer Dimension Outer Ring(r1,2)(min.)2 mm
Diameter Lubrication Hole (Outer Ring) (K)3 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Performance
Dynamic Radial Load90450 lbf
Static Radial Load198000 lbf
Max Speed (X1000 rpm)3
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight11 kg
NNU 4938 BK/SPW33
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