Sealmaster ER-22TC 705958 Ball Bearing Insert

The Sealmaster ER-22TC Gold Line ER-style mounted ball bearing insert, part number 705958, is a cylindrical insert designed for ER-type housings that accepts a 1-3/8 in bore to support a 1-3/8 in shaft. It is made from 52100 bearing steel with a black oxide finish and uses a concentric-lock locking system, with a double-seal arrangement for dust protection in demanding environments. The insert has an outer diameter of 2-53/64 in (approximately 2.83 in) and an outer ring width of 0.938 in, providing robust, standard-duty performance for mid-range loads. It carries a dynamic load rating of 5,782 lb and a static rating of 3,493 lb, making it suitable for medium-load take-up or drive applications in machinery and conveyors that use a 1-3/8 in shaft.