6021-2Z Single Row Deep Groove Ball Bearing 105x160x26mm Double Metal Shields Low Noise For Large Motors Pumps Heavy Industrial Machinery Product Overview 6021-2Z is a large-size single row deep groove ball bearing equipped with double-sided metal dust shields, featuring standard overall dimensions 105×160×26 mm. It is manufactured from high-strength, wear-resistant GCr15 bearing steel and assembled with stamped steel cage to guarantee stable structural performance. The 2Z