7/8" X 1" X 3" Shaft Adapter Pulley Bore Reducer Sleeve Bushing & Step Key

Description

This steel shaft sleeve adapts a crankshaft from 7/8” to 1” diameter. It comes with step key that offsets from 3/16” to 1/4“. Applications: · Alters motors with a different diameter shaft · Alters pulleys for a different speed or belt · Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements. · Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc. Part’s specification: · Sleeve inside diameter 7/8” · Sleeve outside diameter 1” · Sleeve length is about 3” · Sleeve Keyway slot 1/4” · Step Key Length is about 2” The sleeve and step key are designed to slip fit on your 7/8” diameter crankshaft with 3/16” keyway and enlarge it to 1” diameter with 1/4” keyway.