Smith Bearing IRR-4-1/2-1 - Inner Ring,4.5000" Bore Dia.,2.260" W
Smith Bearing IRR-4-1/2-1 - Inner Ring,4.5000" Bore Dia.,2.260" W
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Needle Roller Bearing Inner Ring, Bore Diameter 4 1/2 in, Outside Diameter 5.498 in, Overall Width 2.515 in, Ring Material Alloy Steel, System of Measurement Inch, Bore Diameter Tolerance +0.0000/-0.0008 in, Finish Chrome Plated, Lubrication Openings Oil Holes, Outside Diameter Tolerance +0.000/-0.001 in, Ring Material Grade AISI 52100, Standards AS 9001, ISO Certified 9001, Mil-B-3990 (SAE as 39901)
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