To achieve reduction of the weight and the cost while maintaining durability and wear resistance in a rotary machine equipped with an inside diameter side member comprising a low-hardness material with further lower hardness and an outside diameter side member comprising a high-hardness material with further higher hardness.
In the relatively rotated rotary machine, a needle bearing equipped with a needle arranged in a circumferential direction and a holding tool of the needle is interposed between the inside diameter side member comprising the low-hardness material with the lower hardness and the outside diameter side member comprising the high-hardness material with the higher hardness. In the needle bearing, the holding tool is suitable for an outer peripheral surface of the inside diameter side member, the needle directly rollably abutting on an inner peripheral surface of the outside diameter side member.
YOKOYAMA HIROYUKI
KUDO TAKAYUKI
| JPH06137287A | 1994-05-17 | |||
| JPH0377815U | 1991-08-06 | |||
| JPH07127583A | 1995-05-16 | |||
| JP2006138342A | 2006-06-01 | |||
| JPH01269713A | 1989-10-27 |