The invention relates to a bearing for a wind turbine comprising bearing rings with raceways, and at least one row of bearing balls or rollers positioned between said raceways. At least one of said raceways comprises one or more indentation areas in relation to a standard shape of the raceways. The invention also relates to a wind turbine and methods for manufacturing a bearing.

 
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> Synthetic resin retainer and ball bearing using such synthetic resin retainer

> Connection arrangement between a drive of a mowing sickle and a mowing sickle
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