an antifriction bearing the sliding sleeve includes a radially extending portion and the bearing a flange a buckle engages both the radially extending portion and the bearing flange the buckle further including extending arms adapted for engagement as by a disengaging fork application_number US 53030974 A description referring to fig1 there is shown a clutch shifter 1 with a sliding sleeve 2 made of sheet metal and an antifriction bearing 3 the antifriction bearing 3 contains an inner ring 4 made of sheet metal rolling member 5 a cage 6 and an outer ring 7 also made of sheet metal a front surface 8 of the outer ring 7 is made annularly concave and in the built in state is in contact with clutch levers of a clutch not shown also attached to the outer ring 7 is a sealing disk 9 which serves to seal the antifriction bearing 3 against the loss of lubricant the sliding sleeve 2 contains a radial part 10 and the inner ring 4 contains a radial flange 11 or individual lugs which are embraced by a buckle 12 it can be clearly seen in fig1 that there is a play s with respect to the upper edge of the radial flange 11 and the base 13 of the buckle 12 through which the antifriction bearing 3 can be displaced in a radial direction when the clutch levers not shown carry out a centering over the front surface 8.