TB Woods 2AK3458 FHP Bored-to-size V-Belt Sheave, A Belt Section, 2 Grooves, 5/8" Bore, Cast Iron, 3.45" OD, 7250 max rpm Classical V-belt sheave fits widely available, classical profile V-belts suitable for use in many existing drive designs Cast iron for resistance to wear and galling A belt or cross section Two grooves for multiple or banded belt use