Bearing for robot arm joint reducer

The utility model discloses a bearing for robot arm joint reducer, include: first outer lane, second outer lane, axis body, support flange, first rolling element subassembly and second rolling element subassembly, the axis body with support and promote the location fastening through a plurality of bolts and spiral shell tail between the flange, first rolling element unit mount in first outer lane with support between the flange, second rolling element unit mount in the second outer lane with between the axis body. In this way, the utility model discloses can improve assembly precision, rigidity and the gyration precision of bearing greatly, make the reliability of bearing higher, increase of service life. 本实用新型公开了种机器人手臂关节减速器用轴承，包括：第外圈、第二外圈、轴体、支撑法兰、第滚动体组件和第二滚动体组件，所述轴体和所述支撑法兰之间通过若干螺栓和螺尾推销定位紧固，所述第滚动体组件安装于所述第外圈与所述支撑法兰之间，所述第二滚动体组件安装于所述第二外圈与所述轴体之间。通过上述方式，本实用新型能够大大提高轴承的装配精度、刚度和回转精度，使轴承的可靠性更高，延长使用寿命。