1. Properties of rolling bearings supported machine tools spindles;Brandlein;Publ. FAG, No. WL 02 113 EA,1987
2. Design of machine tool bearing assemblies;Hörning;Publ. FAG, No. WL 02 113 EA,1987
3. Scorostnie Vnutrislifovalnie Spindeli na Oporah Kacenia,1979
4. Ball and Roller Bearings;Eschman,1985
5. Rolling Bearing Analysis;Harris,1984