Description3″ Aluminum Tracking Wheel with stacked bearingsOur Nexus Aluminum Grinder Wheels are CNC lathed and made in Canada and exclusively used on our Nexus Grinders.One, 3″ diameter x 2-1/4″ wide precision CNC lathe turned aluminum Tracking Wheel with 3 stacked sealed 1/2″ ID bearings. The tracking wheel is crowned on a CNC lathe to ensure accurate belt tracking. The bearings fit a 1/2″ axle bolt.Note: the 3″ wheels all have 3 stacked bearings in each wheel
