| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve durability of a bearing structure for an electric brake. <P>SOLUTION: The electric brake is provided with a first member extended in a surface crossing a rotation axial line of a rotating body in the electric brake, a second member relatively rotatable to the first member while receiving a thrust load, and a double-row thrust needle rolling bearing 180 disposed between the first member and the second member. The double-row thrust needle rolling bearing 180 is provided with outer rollers 303 positioned diametrically outward of the bearing, inner rollers 302 positioned diametrically inward of the bearing, and a retainer 301 to retain the outer rollers 303 and the inner rollers 302. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
