10 Pack 5x8x2 Open Ball Bearings Chrome Steel 52100 Deep Groove Miniature Bearings With 5mm Inner Diameter 8mm Outer Diameter And 2mm Width Ideal For Precision Hobby Tools And Small Machinery

10-Pack 5x8x2 Open Ball Bearings in Chrome Steel (mm)
✔️ 5x8x2 mm (0.197x0.315x0.079 in) open chrome steel, 10 pcs

These miniature, unsealed ball bearings are compact, precise components used in hobby robotics, model making, and small machinery where space is tight. Made from 52100 chrome steel for durability, they deliver smooth rotation on lightweight shafts.

✅ Size: ID 5 mm x OD 8 mm x width 2 mm
✅ Material: Chrome steel (52100) for wear resistance
✅ Type: Open bearings (no seals for easy relubrication)
✅ Quantity: 10 bearings per pack
✅ Dynamic load rating Cr: 260 N; Static load rating: 120 N; Max speeds up to 70,000 RPM with proper lubrication

💡 What is an open miniature ball bearing used for in small machines and hobby projects? Here's a handy, technical overview of where these bearings really shine. 1. Handy for quick repairs on models, RC cars, and light automation. 2. Great for high-speed shafts with minimal friction in compact assemblies. 3. Fits 5x8x2 mm shafts; easy to source replacements for ongoing projects. 4. Chrome steel 52100 offers solid wear resistance for durable service life.