Open Ball Bearing 4x16x5 Miniature Deep Groove Chrome Steel 52100 Open Structure Durable 4mm Inner Diameter, 16mm Outer Diameter, 5mm Width Ideal For Precision Machinery, RC Models, Drones And Hobby Projects

634 Open Ball Bearing 4x16x5mm Miniature Single Unit
✔️ Inner 4mm, outer 16mm, width 5mm; chrome steel 52100, 1 pc

Open 634 bearings are compact radial ball bearings designed for miniature machinery, hobby projects, and precision devices. They fit in tight spaces where smooth rotation and quick lubrication matter.

✅ Inner diameter: 4 mm
✅ Outer diameter: 16 mm
✅ Width: 5 mm
✅ Material: chrome steel (52100)
✅ Type: open, deep groove ball bearing
✅ Dynamic load rating Cr: 1750 N; Static load rating Cor: 670 N
✅ Lubrication: grease up to 40,000 RPM; oil up to 49,000 RPM
Quantity: 1 rodamiento

💡 What is an open miniature ball bearing used for in small mechanical projects? This handy component supports tiny shafts in tight spaces and reduces friction for smooth operation. - Handy in RC models, micro drones, and small CNC builds - Great for robotics and hobby machines with limited clearance - Needs regular lubrication to extend life and maintain performance