10 Pack 2x7x3mm Stainless Steel Shielded Miniature Ball Bearings ZZ Shielded Pre Lubricated For Precision Machinery And Equipment Ideal For Hobbyist Robotics Model Making Small Gear Trains Drones And CNC Projects Durable Dust Resistant

10-Pack 2x7x3 Stainless Shielded Ball Bearings Kit
✔️ Shielded 2x7x3 stainless steel bearings, pre-lubed, 10 pcs ZZ

10-pack of shielded stainless steel miniature ball bearings designed for small-scale gearboxes, precision mechanisms, and hobby projects. Each bearing features double metal shields (ZZ) for dust protection and pre-lubrication for smooth startup, making them ideal for RC models, 3D printers, and micro-machinery.

✅ Size: 2 mm ID × 7 mm OD × 3 mm width; pack of 10 bearings
✅ Material: stainless steel shields ZZ shields la polvere
✅ Lubrication: pre-lubricated with grease for immediate use and smooth operation
✅ Dynamic load rating Cr: 390 N; static rating Cor: 130 N
✅ Maximum speed: grease-lubricated bearings up to 67,000 RPM
✅ Equivalents: KOYO WML2007ZZX, NSK MR72ZZS, NMB R-720ZZY03

💡 What is a small shielded stainless steel ball bearing used for in compact gear systems?

These handy bearings protect moving parts in tight spaces where dust control and ready lubrication matter.

• Small gear drives in RC models, 3D printers, and micro robotics
• Shielded stainless steel with ZZ double shields for dust protection
• Pre-lubricated grease for immediate use and smooth rotation
• 2 mm bore fits tiny shafts in compact assemblies