NNU 4972 BK/SPW33

NNU 4972 BK/SPW33 Double Row Super-Precision Cylindrical Roller Bearings
Part Number NNU 4972 BK/SPW33
Brand: LILY Brand: LILY Interchangeable With: SKF
System of Measurement Metric
Roller Bearing Type Cylindrical
Bore Type Taper 1:12
For Load Direction Combined
Construction Double Row
Seal Type Open
Bore Dia 360 mm
Bore Dia Tolerance 0 to +0.040mm
Outer Dia 480 mm
Outer Dia Tolerance -0.023mm to 0
Width 118 mm
Width Tolerance -0.40mm to 0
Shoulder Dia Outer Ring 439 mm
Raceway Diameter Inner Ring 399 mm
Width Annular Lubrication Groove Outer Ring(B1) 16.7 mm
Diameter Lubrication Hole (outer Ring) (K) 9 mm
Chamfer Dimension Outer Ring(r1,2)(min.) 3 mm
Chamfer Dimension Inner Ring(r3,4)(min.) 1.5 mm
Permissible Axial Displacement(max.) 5.5 mm
Ring Material Chrome Steel
Roller Material Chrome Steel
Dynamic Radial Load 252000 lbf
Static Radial Load 630000 lbf
Max Speed (X1000 rpm) 2
Lubrication Grease, Oil
Temperature Range -30° to 110 °C
RoHS Compliant
REACH Compliant
Weight 55 kg
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