10-Pack 6701ZZ Shielded Ball Bearings 12x18x4 Mm With 12 Mm Bore Double Shielded Chrome Steel For Dust Protection And Smooth Low Friction Rotation In Hobby Machines And Small Engineering Projects

These shielded ball bearings (6701ZZ) use double shields to prevent dust ingress and are pre-lubricated for quick setup. Sized at 12 mm inner diameter, 18 mm outer diameter, and 4 mm width, they’re ideal for RC cars, hobby machines, and general machinery needing reliable, low-friction rotation.

✅ Type: deep groove ball bearing with double shields (2Z/ZZ)
✅ Inner diameter: 12 mm; Outer diameter: 18 mm; Width: 4 mm
✅ Material: chrome steel for durability
✅ Lubrication: pre-lubricated with grease
✅ Pack size: 10 bearings

💡 What is a pillow block bearing used for in common machine setups? A handy general-purpose bearing solution for supporting rotating shafts in various equipment. - They support rotating shafts in a compact, easy-to-mount block - They reduce friction and wear in conveyors, fans, and gear drives - They’re handy for hobby projects like 3D printers and RC cars