Set of two 6305ZZ (6305Z) shielded ball bearings typically found in internal engine applications such as camshaft bearings This size bearing is used in many small power sports applications such from 50cc, 150cc, to 250cc gas scooters, ATVs, lawnmowers, dirt bikes, go karts, and snowmobilesDescription Set of two 6305ZZ (6305Z) shielded ball bearings typically found in internal engine applications such as camshaft bearings. This size bearing is used in many small power sports applications such from 50cc, 150cc, to 250cc gas scooters, ATVs, lawnmowers, dirt bikes, go karts, and snowmobiles.A specialized application of these 6305ZZ bearings is on the mower deck spindles of the Ventrac lawnmower.Who would have thought Monster Scooter Parts would be your source for low cost high quality lawnmower spindle bearings Specifications Diameter (Outer): 62 mmDiameter (Inner): 25 mmWidth: 17 mm