10 Pack 4x10x4 Shielded Stainless Steel Miniature Ball Bearings With ZZ Shields Pre Lubricated With Grease For Smooth Operation And Long Lasting Performance

10-Pack Stainless Shielded 4x10x4 Ball Bearings for Projects
✔️ Deep groove, stainless steel, shielded ZZ, pre-lubed for smooth operation

These compact stainless steel ball bearings measure 4x10x4 mm (ID 4 mm, OD 10 mm, width 4 mm). Sold in a pack of 10, they feature double metal shields to repel dust and dirt, and are pre-lubricated for immediate use in small CNC machines, 3D printers, RC gear, and other compact assemblies.

✅ Size: 4 mm ID x 10 mm OD x 4 mm width
✅ Material: stainless steel for corrosion resistance
✅ Shielding: ZZ double metal shields for dust protection
✅ Lubrication: factory-greased for immediate use
✅ Dynamic load rating Cr: 650 N; Static load rating Cor: 230 N
✅ Speed: up to 56,000 RPM grease-lubed
✅ Pack: 10 bearings per pack

💡 What is a shielded miniature ball bearing used for?

A handy, compact bearing for precise motion in tight spaces. - Handy for hobby machines like printers, RC toys, and micro CNCs - Shields keep dust and dirt out to extend bearing life - Pre-lubed grease simplifies quick, drop-in installs - Stainless steel resists corrosion in damp environments