Deep Groove Ball Bearings 6002 – 15X32X9mm Description. The 6002 is a 15 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6002 Deep Groove Ball Bearings is an open style bearing. The 6002Z ball bearing is a single row raceway and single shielded. The 6002ZZ ball bearing has a single row raceway and it is shielded on each side.