They're rubber sealed ball bearings, which offer smooth rotation, great precision of attachment and even simplified upkeep.
• 1050 Sealed Ball Bearings x2
• Applications consist of uprights and lots of gearbox applications utilising the 10x5mm bearing size.
• making use of ball bearings in place of synthetic and steel bearings gives better components fit and more efficient rotation.
• These ball bearings use plastic seals versus metal people – this permits you to start them as much as neat and work with them.
• Low-friction oil can be used to lubricate the inner workings.