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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.
Bore 7/8"
Outside Diameter 4.95"
Belt Type A (1/2") Datum Diameter 4.20"
Belt Type B (5/8") Datum Diameter 4.60"
Shpg. 3 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.
What size is the keyway for this pulley? I'm looking to mount it on motor Item #10-2977, 1 HP 1730 RPM 115/208-230 Volt AC 143T Motor to power a restored jointer. Thanks.
A: The keyway on this pulley is 3/16", which is the standard for that shaft size.