METHOD FOR PRODUCING TRACK RING MEMBER, METHOD FOR PRODUCING ROLLING BEARING, METHOD FOR PRODUCING HUB UNIT BEARING, AND METHOD FOR PRODUCING VEHICLE

A centerless grinding processing in which a sliding contact surface () is subjected to grinding by pressing a grindstone against the sliding contact surface () of an inner ring () while rotating the inner ring () relative to the grindstone in a prescribed direction, and then, in the centerless grinding process, a finishing step in which grinding lines in a direction intersecting grinding lines formed on the sliding contact surface () are formed on the sliding contact surface () and/or processing for improving the surface roughness of the sliding contact surface () is performed is performed.