| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing including a ball retaining member held certainly between an inner and an outer ring and free of slipping off. SOLUTION: A bearing is composed of an inner ring 2 furnished with a first ball groove 22, an outer ring 3 furnished with a second ball groove 32, a plurality of balls 5 installed in a ring-shaped space 4 between the two grooves, and a ball retaining member to retain the balls 5 in specified positions in the space 4, wherein the ball retaining member is equipped with a plurality of ball accommodation parts to hold the balls 5 and a plurality of bulkheads 62 for arranging them at approx. a constant spacing in the circumferential direction, and the bulkhead 62 is equipped at the inner surface in radial direction with a first engagement part 63 to be engaged with the first ball groove 22, and at the outer surface in radial direction, with a second engagement part 64 to be engaged with the second ball groove 32. |
