Open Ball Bearing 8x19x4.5 mm Miniature Deep Groove Chrome Steel 52100 Durable Precision Bearing For RC Models And Small Machinery Inner Diameter 8 mm Outer Diameter 19 mm Width 4.5 mm Open Design

Open Miniature Ball Bearing 8x19x4.5, 52100 Chrome Steel
✔️ Open miniature ball bearing, 8x19x4.5 mm, 1 pc, 52100 steel

This open ball bearing is a compact precision component used to reduce friction in small machinery. Ideal for hobby projects, model gearboxes, RC cars, and lightweight machinery where space is tight and quick replacements matter.

✅ Bore: 8 mm
✅ Outer diameter: 19 mm
✅ Width: 4.5 mm
✅ Material: 52100 alloy steel (chrome steel)
✅ Type: open deep groove ball bearing

💡 What is an open miniature ball bearing used for in precision small-scale machinery? This handy bearing supports smooth rotation in tight spaces. - Designed for compact setups - Used in small gearboxes, drones, and robotics - Provides low friction with easy maintenance - Fits standard shafts with common mounting methods