Open Ball Bearing 8x19x4 Miniature Deep Groove Chrome Steel 52100 Inner Diameter 8mm Outer Diameter 19mm Width 4mm Durable Precision Bearing For Small Machinery And RC Applications

A compact, open-design bearing built for small assemblies and hobby projects where shaft access and lightweight performance matter. Perfect for linear slide units, model cars, micro robotics, and other precision gear setups where space is tight.

✅ 8x19x4 open ball bearing, inner diameter 8 mm, outer 19 mm, width 4 mm
✅ Made from 52100 chrome steel for durability
✅ Deep groove ball bearing design for smooth rotation
✅ Pack: 1 bearing, ready for installation

💡 What is an open ball bearing used for in small mechanical assemblies? This handy bearing handles rotation with minimal friction in tight spaces. - Handy for hobby robotics and compact gear trains - Great for projects needing unobstructed inner race access - Works with standard housings in light-load setups