5/8" to 3/4 Inch w/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Pulley Bore Reducer Bushing Sheave & Key Predator

Material: stainless steel 304. The crankshaft is made of stainless steel, which is more durable than ordinary iron products. Never rust, better protect the crank.
Bushing inner diameter 5/8″, outer diameter 3/4″, sleeve length about 3″, keyway 3/16′, stepped key length about 3″
The sleeve key and stepped key are designed to fit perfectly into the 3/16-inch keyway and fit on a 5/8-inch diameter crankshaft, and enlarged to 3/4-diameter through a 3/16-inch key seat
Replace motors with shafts of different diameters, and replace pulleys with different speeds or belts.
Used in conjunction with gas engine crankshafts to enlarge the crank diameter to fit pulleys, gearboxes, etc. Material
stainless steel 304. The crankshaft is made of stainless steel, which is more durable than ordinary iron products. Never rust, better protect the crank.
Bushing inner
diameter 5/8″, outer diameter 3/4″, sleeve length about 3″, keyway 3/16′, stepped key length about 3″
The sleeve key
The sleeve key and stepped key are designed to fit perfectly into the 3/16-inch keyway and fit on a 5/8-inch diameter crankshaft, and enlarged to 3/4-diameter through a 3/16-inch key seat
Replace
Replace motors with shafts of different diameters, and replace pulleys with different speeds or belts