Planet bearing of wind power plant gear box, has planetary gear portions that are supported on planet carrier by needle bearing portion which is formed by needle ring, needle cover or needle socket

摘要

The planet bearing has planetary gear portions (1) that are supported on a planet carrier (4) by a needle bearing portion (6). The needle bearing portion is formed by a needle ring, a needle cover or a needle socket. The needle bearing portion is extended along a rotational axis (5) of the planetary gear portion over a width portion of a hole. A disc portion (10) is arranged at an axial end of the planetary gear portion. The planetary gear portion is formed on a hollow shaft (3). An independent claim is included for a wind power plant gear box.