Inner Ring Bore Diameter 1 in Compatible Bearing Grainger Part Number 35TW85 35TX35 35TX67 779K47 779K98 779KH3 Compatible Bearing Manufacturer Part Number 2016 20161 Outside Diameter 1.25 in Overall Width 1.015 in Ring Material Alloy Steel System of Measurement Inch Bore Diameter Tolerance +0/-0.0005 in Lubrication Openings None Outside Diameter Tolerance +0/-0.0005 in Ring Material Grade Su2