| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a rolling bearing having a longer life independently of lubricating conditions. <P>SOLUTION: A thrust needle bearing 10 comprises a shaft bearing washer (an inner ring) 11, a housing bearing washer (an outer ring) 12, a plurality of needle rollers 13 as rolling elements arranged between the shaft bearing washer 11 and the housing bearing washer 12 in a peripheral rolling manner, and a cage 14 for holding the plurality of needle rollers 13 to be equally spaced from each other in a peripheral rolling manner. End faces 13a, 13b of the needle roller 13 each have a flatness of 10-80μm. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
