4304-TV Dunlop Double Row Deep Groove Ball Bearing 20mm inside x 52mm outside x 21mm wide

4304-TV Dunlop Double Row Deep Groove Ball Bearing 20mm inside x 52mm outside x 21mm wideDunlop double row bearings are a type of rolling element bearing that contains two rows of rolling elements, usually balls or rollers, that are separated by a central groove. The inner and outer rings of the bearing are also split into two parts, with each row of rolling elements being sandwiched between an inner and outer ring. The design of double row bearings allows them to handle heavier loads than single row bearings, as the two rows of rolling