Beefy Ten Pack Shielded Miniature Ball Bearings 4x7x2.5mm MR74ZZ ABEC Five Chrome Steel Dual Shielded With Dust Shields For Radial And Moderate Axial Loads L 740ZZ High Precision Bearings For Hobbies RC Cars Drones CNC Projects

Ten Pack Sealed Ball Bearings Shielded 4x7x2.5mm MR74ZZ
✔️ Ten MR74ZZ bearings, shielded 4x7x2.5 mm, ABEC-5 chrome steel

These compact MR74ZZ bearings deliver high precision in small gearboxes, micro motors, drones, RC vehicles, and CNC prototypes. They’re built for radial loads and moderate axial loads while staying compact and fast.

✅ Bore 4 mm, Outer 7 mm, Width 2.5 mm
✅ Type: Deep groove ball bearing
✅ Material: 52100 chrome steel
✅ Shields: dual steel dust shields
✅ ABEC grade: 5
✅ Pack: 10 pcs per lot

💡 What is a shielded miniature ball bearing used for in hobby projects?

They fit in tiny drives and micro mechanisms, reducing friction and wear while keeping grit out.

• Handy for drones, RC cars, and micro motors with tight spaces
• Shielding helps extend life in dusty shop or field environments
• ABEC-5 precision ensures stable speeds and smooth runs
• 4x7x2.5 mm size supports compact assemblies in hobby setups