10 Pack Shielded Ball Bearings 6903ZZ 17x30x7mm Double Shield Dust Protection Pre Lubricated With Grease For Smooth Operation And Long Lasting Performance

Premium 6903ZZ Shielded Ball Bearings 17x30x7mm, 10-Pack
✔️ 17x30x7 mm shielded bearings, pre-lubed, chrome steel, 10-pack

These shielded deep groove ball bearings measure 17x30x7 mm and come in a 10-pack. They are built with chrome steel for durability and feature double metal shields (ZZ) to keep out dust and dirt. Pre-lubricated with grease, they’re ready for immediate use in hobby machines, DIY projects, or compact drive systems.

✅ Inner diameter: 17 mm
✅ Outer diameter: 30 mm
✅ Width: 7 mm
✅ Shield type: ZZ (double metal shields) for dust protection
✅ Material: Chrome steel for durability
✅ Lubrication: Pre-lubricated with grease for smooth operation
✅ Dynamic load rating Cr: 4600 N
✅ Static load rating Cor: 2550 N
✅ Maximum speed: 24000 RPM
✅ Pack: 10 bearings per tube

💡 What is a shielded ball bearing used for in small machinery?

These bearings are handy for compact drive systems where dust protection and smooth rotation matter. - Handy for hobby robotics and DIY gear
- Shielded design blocks dust, extends bearing life
- Pre-lubricated grease reduces setup and maintenance
- Fits common 17x30x7 mm footprints for easy swaps