... :SM1200,SM1600,SM2500.....taper bushing:1008.1108.1210...... pulleys:1) V-belt pulleys(taper bore)2) Timing belt pulleys3) Variable speed ... : SPZ, SPA, SPB, SPC; A, B, C, Z, wrapped V-belts, raw-edge V-belts, cogged V-belts V-beltpulley specifications:1) European standard: a ... ; up to 10 grooves b) Adjustable speed V-belt pulleys and variable speed pulleys c) Flat belt pulleys and conveyor belt pulleys2 ...