Take-up bearings are mounted bearings consisting of a guide frame, positioning screw, and mounting hardware and are typically used to align conveyor tracks and maintain conveyor belt tension.Bearings offers a wide range of take-up bearings units both in inch and metric dimensions.  Each are available with or without an eccentric locking collar. Medium Duty, Heavy Duty and other types are available along with various seal options and plated housing options. takeup units housings are constructed out of cast iron and have a chrome steel bearing as standard. take-up bearing. The bearing has a wide inner ring with two set screws for attaching to the shaft. Housing is cast iron with a grease zerk for re-lubing the bearing.