Inner Ring Bore Diameter 5/8 in Compatible Bearing Grainger Part Number 35TW74 35TX27 35TX64 779K36 Compatible Bearing Manufacturer Part Number 1416 14161 Outside Diameter 0.875 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