| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a one-way clutch built-in type rotation transmission device having improved durability even when used in high rotating speed and high load conditions to increase its internal temperature. <P>SOLUTION: The one-way clutch built-in type rotation transmission device comprises a pulley 12, a sleeve 11 arranged on the inner diameter side of the pulley 12 concentrically with the pulley 12, and rolling bearings 2, 2 and a one-way clutch provided between the sleeve 11 and the pulley 12. A grease composition G filled in each of the rolling bearing 2 and the one-way clutch 3 has a total acid value increasing amount of 3mgKOH/g or less when left for 500 hours at 150°C, thus improving durability. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
