Set of two bearings 6201ZZ Shielded to keep the dirt out Pre-lubed 6201ZZ shielded bearings for scooters and ATVs This is a set of two bearings 6201ZZ shielded bearings for scooters and ATVs. This is a set of two bearings. These bearings are used in a variety of applications including wheels, transmissions, gearboxes, and various other GY6/QMB139 engine components. The 6201ZZ series is sometimes referred to as the 6201Z series. They are single-row, deep groove ball bearings. Designated as light-weight bearings, they come with 12 mm bore hole inner diameter. Check your existing bearings for the series number, which is usually etched directly onto the side of the bearing. Specifications Diameter (Outer): 32 mm Diameter (Inner): 12 mm Width: 10 mm