WRM manufactures a variety of Alternator & Starter bearings for the automotive industry. Our bearings replace OEM bearings in Bosch, Delco Remy, Nippondenso, Hitachi and are interchangeable many more manufacturers. Our Alternator & Starter bearings run efficiently in extreme temperatures and our high precision balls allow for a smoother operation. They meet ABEC 1 ratings for consistency, quality and service life.