Description: Miniature ball bearings are available ball bearings of quite small size. These miniature ball bearings have a 5mm inner diameter, a 11mm outer diameter, and a 5mm thickness. Ball bearings of this size are ideal for precision work and applications that require a lot of functional mechanical parts in a small space, such as 3D printer, quadcopter or model. Features: With polished smooth surface, it works well with high efficiency causing low noise. High temperature resistance, able to operate at a temperature range of -20-200 or so. Adopting premium bearing steel material, solid enough for a long term use. Wide applications in many fields: industrial machines, cars, ships, household appliances, health care system, etc. 2 Rubber seals protect it against water and dust or any other objects invasion.
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