| 摘要 |
PROBLEM TO BE SOLVED: To provide a cross roller bearing allowing uniform and sufficient supply of a lubricant in a wide range from cavities on a spacer and securing the strength of the spacer itself. SOLUTION: The cross roller bearing comprises the spacer 31 for holding rollers 33 at a constant space between an inner ring and an outer ring, the spacer 31 being in a block structure with roller supporting faces 35, 36 formed on two opposed faces and having a plurality of lubricant storage recessed portions 38a, 38b arranged on at least one of the roller supporting faces 35, 36 while being decentralized in a wide range on the roller supporting face. COPYRIGHT: (C)2003,JPO
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