Shielded Ball Bearing 55x120x29mm 6311ZZ Deep Groove Chrome Steel Self Lubricated Greased Bearing With Two Metal Shields Dust Resistant Seal For Contamination Protection In Machinery And Automotive Applications

6311ZZ Shielded Ball Bearing 55x120x29, Chrome Steel
✔️ 1pc pack, chrome steel, dual ZZ shields, grease-lubed

Shielded ball bearing designed for smooth radial motion and long life in machinery, conveyors, fans, and DIY projects. The dual metal shields protect the inner race from dust and contamination while the factory grease ensures immediate operation.

✅ Inner diameter 55 mm
✅ Outer diameter 120 mm
✅ Width 29 mm
✅ Material Chrome steel
✅ Shield: dual metal shields (ZZ)
✅ Lubrication: factory pre-greased
✅ Dynamic load Cr: 71,500 N
✅ Static load Cor: 44,500 N
✅ Maximum speed: 5,800 RPM

💡 What is a shielded ball bearing used for in everyday machinery?
- dust protection and contamination resistance for longer life
- handy for conveyors, fans, and light machinery requiring smooth rotation
- pre-greased for quick install and reduced maintenance

6311ZZ Shielded Ball Bearing 55mm x 120mm x 29mm