| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure capable of preventing a bias in a roller clear ance, in a cross roller bearing having no retainer. SOLUTION: A plurality of rollers 5 are inserted in a track portion 4 of a cross roller bearing 1, and a steel ball 6 for adjusting a roller clearance is inserted in a large clearanceΔformed between the roller 5(1) and the roller 5(48). The clearanceΔcan be adjusted by the steel ball 6, so that flexibility in the dimension of the used roller is increased, and stocked rollers can be used. COPYRIGHT: (C)2003,JPO
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