Available in brass and 303 Stainless Steel, respectively, S25FB9 and S25FY9 Series incorporate built-in bearing shim spacer and fit .12-¾ in. dia shafts. Products come in inch and metric sizes with .433-1.496 in. (11-38 mm) dia ODs. Use of Fairloc® hubs permits frequent phase, timing, and position adjustment while adding positive metal-to-metal fastening strength along both hub sections. Screw in