Inner Ring, 4.2500" Bore Dia., 2.260" W, Smith Bearing, Mfr#: IRR-4-1/4

Inner Ring, Bore Diameter 4 1/4 in, Outside Diameter 4.998 in, Overall Width 2.26 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 +0.0000/-0.001 in, Ring Material Grade 52100, Standards as 9100, ISO Certified 9001, Mil-B-3990 (SAE as 39901)