Manu Yantralaya manufactures Ball Bearing Cage with Retainer. Manu Yantralaya is an ISO 9001: 2000 certified company offering a wide range of Ball Bearing Cages and gaskets for various industrial applications. The Ball Bearing Cage with Retainer is used to separate and position the balls at equal intervals around the bearing raceways. The Ball Bearing Cage is made from 300 series stainless steel and comes with Retainers of two standard types, according to the size and design of the bearing itself.