... angular contact ball bearingsACD - contact angle of 25 degrees.B - a contact angle of 40 degrees.CC - contact angle of 12 degrees.CD - contact angle is 15 degrees.BE - contact angle ... Related industriessteel industry,mining& construction,papermaking machinery, wind tubines,semiconductors,machine tools,gearboxs,electric motors,pumps&compressors,office equipment, injection molding ...