| 摘要 |
PROBLEM TO BE SOLVED: To prevent a crack and surface exfoliation or local wear from generating in a roller bearing used in water, in corrosive liquid such as drug solution, and in a corrosive and humid atmosphere containing steam of liquid in quantity. SOLUTION: In the roller bearing interposing a rolling element and its retainer between a pair of race rings, one or more kinds of bearing parts selected out of the race rings, the rolling element, and the retainer are plastic bodies made of resin composition compounding synthetic resin as a principal component and a carbon nanotube. The compound ratio of the nanotube compounded in the synthetic resin is 1-50 wt%. COPYRIGHT: (C)2005,JPO&NCIPI
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