In this schematic the "Roller Comp,weigh" is used most often.
This part-list fiche shows all the components that make up the Scx50 1994 (r) Japan Af33-100 E-6 .
The most reasonably priced component used on the Scx50 1994 (r) Japan Af33-100 E-6 is the Circlip,extl.14mm.