Manufacturer Part Number: CR1C-125|Style|One PieceShaft Collars Type|One Piece Split ShaftBore Type|PlainBore Diameter|1.2500Thread Size|Outside Diameter (Decimal Inch - 4 Decimals)|2.0630Outside Diameter (Inch)|2-1/16Outside Diameter (mm)|Keyway Width (Inch)|Material|SteelWidth (Inch)|1/2Finish|Yellow ZincSeries|CR1CStandards|ISO 9001:2008Additional Information|Material Grade|1215Maximum Torque|Length (Inch)|Reduced Inside Diameter|Width (Decimal Inch - 4 Decimals)|0.5000UNSPSC Code|