1. Precision angular contact ball bearings with ceramic balls;Anon;SKF Publication 4041E,1989
2. Chudecki J.F. Ceramic bearings—Applications and performance advantages in industrial applications. SAE-TP-89104
3. Anon.Angular Contact Ball Bearings with Ceramic Balls. NTN Toyo Bearing Co., Ltd, CAT No. 2643
4. Anon.Ceramic- angular Contact Ball Bearings. Company documentation of Nippon Seiko NSK
5. Wear mechanism of ceramic materials in dry rolling friction;Kim;Transactions of the ASME,1986