SPACER FOR ROLLING BEARING WITH LOW FRICTION CONTRIBUTION

摘要

PURPOSE: A rolling bearing spacer with low-friction is provided to be economically and simply manufactured, and to reduce friction. CONSTITUTION: A rolling bearing spacer (4) with low-friction includes first and second portions (11,12) and a first side portion (13). The first and second portions and the first side surface portion demarcate a pocket (15). The first and second portions include contact surfaces (11a,12a) and a protrusion means (11c, 11d, 11e, 12c, 12d, 12e), respectively.