ISUTAMI take-up mounted bearing units, also known as center pull take-up mounted bearing units, consisting of a guide frame or an adaptor sleeve , positioning screw, and mounting hardware which are typically used to align conveyor tracks and maintain conveyor belt tension. ISUTAMI take-up bearing units adapter sleeves are made with a cast iron housing for long lasting durability. Features a double-seal to prevent contamination for maintenance-free operation. Adaptor sleeve provides a firm and concentric lock on the shaft for greater stability and support. The corrosion-resistant feature of mounted bearing units can help to enhance performance. Factory-lubricated for greater reliability, and re-greasable for easy using. Diameters, dynamic load rating and maximum RPM vary per item.