TB Woods 2BK65118 FHP Bored-to-size V-Belt Sheave, B Belt Section, 2 Grooves, 1-1/8" Bore, Cast Iron, 6.25" OD, 4000 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 B belt or cross section Two grooves for multiple or banded belt use