SINGLE GROOVE PULLEY Brand new. Fractional HP, single groove, cast iron pulley with keyway and one set-screw. For use with type "A" and "B" belts. Fully balanced.
Outside Diameter 8.25"
Belt Type A (1/2") Datum Diameter 7.50"
Belt Type B (5/8") Datum Diameter 7.90"
Shpg. 6 lbs.
Outside Diameter Diameter measured at the outside of the pulley.
Datum Diameter The datum diameters are an industry standard reference point used for calculations such as center distance and belt length. The datum system replaces the pitch system for classical belts and pulleys to compensate for differences in manufacturers construction of belts.
Do you have any of these pulleys that are not fractional hp
A: From what we have been able to determine from various manufacturer's literature, 'fractional horsepower' generally refers to 15 HP or less. I know customers have put these pulley on electric motors that size, and gas engines up to 25 HP with no ill effects, as long as the rim speed limitations are heeded.