10-Pack 3mm Loose Ceramic Balls Al2O3 Alumina Oxide Bearing Balls Bearings for Hobby also 6020ZZ bearing is pre-lubricated

also 6020ZZ bearing is pre-lubricated with grease

Go Kart Axle Bearing

Dimensions d D C 22mm 28mm 20mm

inner diameter is 42mm

and excellent protection against dust and contaminants - ideal for electric motors

10-Pack 3mm Loose Ceramic Balls Al2O3 Alumina Oxide Bearing Balls Bearings for Hobby also 6020ZZ bearing is pre-lubricatedLoose Ball Bearings 3mm Ceramic Balls Al2O3 G10 Alumina Oxide 10 Balls Loose Ceramic Balls 3mm Al2O3 (Alumina Oxide), this is a popular size that could be used in many Bicycle, or any application that uses this size 3mm. Balls are made from high strength Ceramic Al2O3 . Loose Balls Size: 3mm Material: Ceramic Quantity: 10 Balls.