Open Miniature Ball Bearing 2.5mm Bore 7mm Outer Diameter 2.5mm Width 52100 Chrome Steel High Precision Component For Micro Motors Drones RC Hobby And Precision Machinery Applications For Small Scale Projects And Reliable Performance

69/2.5 is an Open Miniature Ball Bearing with 2.5 mm bore, 7 mm outer diameter, and 2.5 mm width. Made from 52100 chrome steel for durability and wear resistance, it's a common choice for hobby projects, micro machinery, and small-scale precision setups.

✅ Inner diameter: 2.5 mm, outer diameter: 7 mm, width: 2.5 mm
✅ Open bearing design for easy lubrication and cooling
✅ Material: 52100 chrome steel for high hardness and wear resistance
✅ Precision: standard metric quality for micro assemblies
✅ Pack: 1 bearing
✅ Temperature/load capacity typical of small bearings

💡 What is a miniature ball bearing used for in precise small mechanisms? - It is handy for tiny shafts in hobby robotics, model making, and precision instruments. - Handy for compact spaces where smooth rotation matters. - It helps reduce friction and wear in lightweight, low-load applications.