5115 / 5115A Seal Ball Bearings 5x10x4 mm (2) | The RC Shop at Dr Dans

BLUE- Pair of 5x10x4 mm blue rubber seal ball bearings. Blue-seal ball bearings keep dust and grime out for less maintenance, smoother running and less friction.

BLACK- Pair of 5x10x4 mm rubber seal ball bearings. A step above blue-seal bearings, black-seal bearings offer an even tighter seal for ultimate protection and less maintenance in dirty environments.