A comprehensive cost-effective range of bushes that provide a simple and quick method of securing sprockets, pulleys and couplings to imperial and metric shafts. Suitable for use in a wide variety enduring industrial applications these products are manufactured with a high-degree of tolerance using cast iron. Features Suitable for securing industry standard tapered bore sprockets, pulleys and couplings to imperial sized shafts. Fits attachments with tapered bore. High quality cast iron. Specifications Bush Size: 5050 Bush Bore Ref: 5050-3.3/8 Bore: 3.3/8 Inch Outside Diameter: 177.6 MM Width: 127 MM Screw Tightening Torque: 272 Nm Screw Size: 7/8 x 2.1/4 Screw Type: B Standards Keyways conform to BS 46 Part 1: 1958