Deep groove radial ball bearings, deep groove ball bearing, radial ball bearings

Bearing Technology for Wind Turbines – Catalogue Page 6
... ball bearings or one deep groove ball bearing and one cylindrical roller bearing... Current insulation of generator bearings The passage of current in a wind turbine generator can cause serious damage to the raceways of bearing rings in the form of melt craters and false brinelling, leading to enormous repair costs