A roll-up shutter ball bearing assembly that does not rust, corrode, jam or stick is provided. The bearing assembly and method for assembly include the machining of a cylindrical metal insert with a peripherally grooved side wall for holding ball bearings that fit into a grooved outer bearing ring and are closed with a retaining washer or cap ring. The cylindrical metal insert, outer ring housing, retaining washer and ball bearings are made of rust resistant metal, such as stainless steel. The very high quality bearing assembly will not need to be replaced or serviced on a frequent basis and is an intended for use in roll-up storm and hurricane shutters currently on the market.