... , SPC; A, B, C, Z, wrapped V-belts, raw-edge V-belts, cogged V-belts V-beltpulley specifications:1) European standard: a) V-belt pulleys for ... taper bushings: SPZ, SPA, SPB, SPC; up to 10 grooves b) Adjustable speed V-belt pulleys ... and variable speed pulleys c) Flat belt pulleys and conveyor belt pulleys2) American standard: a) Sheaves ...