In this schematic the "Bearing(22x29x30)" is used most often.
This schematic depicts all components used in the Gs500e 1991 (m) (e01 E02 E04 E15 E16 E17 E21 E22 E24 E25 E34 E39 Rear Swinging Arm partslist.
The most reasonably priced component used on the Gs500e 1991 (m) (e01 E02 E04 E15 E16 E17 E21 E22 E24 E25 E34 E39 Rear Swinging Arm is the Screw 6x12.