Rolling bearing for longitudinal movements

摘要: A ball bearing for permitting longitudinal movements with respect to a shaft includes cage provided at least two longitudinally extending guide tracks having opposite ends that are connected by semicircular turn around tracks. plurality of balls positioned in the tracks, one forming load-bearing and another non-load-bearing balls. The track is slit open radially inwardly passage direction towards shaft. has an interior wall which, cross-section, possesses substantially diametrically opposed first sections circular contour second laterally offset from base set back contour.