This Flat Idler Pulley works both as an OEM replacement and as a general purpose pulley for power transmission such as compressors, industrial fans, lawn mowers, snowblowers, and electric motors. It comes with a bore adapter to bush down from 5/8'' to 3/8'' inside diameter. 32400150A features a heavy duty sealed radial single-row bearing.This part is Painted Black to prevent rusting. Additional Features: Made of Steel No flanges - for use with flat belts Direct OEM Replacement for: Bobcat Ryan: 522973 Ditch Witch: 170-314 Jacobsen: 522973