US Patent 11384728 Wind turbine rotor blade pitch bearing

Provided is a wind turbine rotor blade pitch bearing for mounting a rotor blade to a hub, including a carrier with an annular arrangement of bearing pad seats; a plurality of bearing pads, wherein a bearing pad is arranged in each bearing pad seat of the carrier; and a gripping assembly for gripping the carrier, which gripping assembly including a sliding part arranged to lie against an annular arrangement of bearing pads and further includes an access window dimensioned to expose a bearing pad when opened. A wind turbine with a number of such pitch bearings; and a method of performing a service routine on a wind turbine rotor blade pitch bearing is further provided.