NEEDLE RETAINER, NEEDLE BEARING, AND COMBINATION BEARING THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a bearing in an inexpensive structure assuring a sufficient seizure resistance and anti-abrasiveness even in case the bearing is used in the condition that the axial direction side face of a needle retainer 13a and the side face of another member are in slide contacting. SOLUTION: The needle retainer 13a is made of a substance having such a constitution that a synthetic resin such as polyamide 46 contains 20-45 wt.% reinforcing fibers such as glass fiber etc. A plurality of grooves 20 are formed radially in the axial direction side face of the needle retainer 13a. COPYRIGHT: (C)2004,JPO