633ZZ Shielded Chrome Steel Ball Bearing 3x13x5mm, Durable Miniature Bearing With Double Metal Shields, Pre-Lubricated Grease For Smooth Operation And Dust-Dirt Protection For Hobbyists And Light Machinery

These tiny shielded deep groove ball bearings are built for precise, compact spaces and are commonly used in hobby electronics, small motors, RC gear, 3D printers, and precision instruments.

✅ Inner diameter 3 mm, outer diameter 13 mm, width 5 mm
✅ Material: chrome steel deep groove bearing with ZZ shields
✅ Closures: metal shields keep dust and dirt out
✅ Pre-lubricated grease for smooth operation up to 44,000 RPM
✅ Dynamic load rating Cr 1300 N; Static load rating Cor 490 N

💡 What is a sealed ball bearing used for in small machines? This handy component reduces friction in tight places and supports radial and some axial loads in compact assemblies. - Handy for hobby gear, small motors, RC units, and 3D printers - Keeps dust out and lubricant in with shielded ZZ design - Helps extend component life in tight, high-speed setups