Non Standard 6201-8ZZ Ball Bearing 1/2" (12.7mm) ID x 32mm OD x 10mm6201 8ZZ Shielded Ball Bearing 1 2" x 32mm x 10mm Chrome Steel Pre Lubricated The 6201 8ZZ is a deep groove ball bearing designed with a non standard 1 2" inch bore and a metric outer body, making it ideal for mixed system machinery. It features dual metal shields (ZZ) to keep dust and debris out and comes pre lubricated with grease for hassle free, long term operation. Type: Deep Groove Ball Bearing Material: Chrome Steel Shield Type: Double Metal