Shielded Deep Groove Ball Bearing 55mm Bore, 120mm Outer Diameter, 29mm Width, Chrome Steel, Pre-Greased with Two Metal Shields for Dust Protection, Self-Lubricating Bearing Ideal for Precision Machinery and Equipment Such as Conveyors and Motors

Shielded deep groove ball bearing 311KD, 55x120x29 mm
✔️ Bore 55mm, OD 120mm, width 29mm; chrome steel, greased pack 1

The 311KD shielded ball bearing is a pre-greased, sealed unit designed for use in compact machinery, conveyors, and automated equipment where smooth rotation is needed.

✅ Inner diameter mm
✅ Outer diameter 120 mm
✅ Width 29 mm
✅ Shielding: double metal shields (ZZ) for dust protection
✅ Material: Chrome steel, grease-filled
✅ Dynamic load rating Cr: 71,500 N; Static load rating Cor: 44,500 N
✅ Maximum speed (greased): 5,800 RPM

💡 What is a shielded deep groove ball bearing used for in industrial machinery? This handy bearing is designed to handle radial loads in tight spaces and harsh environments. - Handy for dust-prone environments in conveyors and compact gearboxes.
- Protects internal components with double shields (ZZ) to minimize contamination.
- Pre-greased design reduces maintenance and speeds installation.
- Works well with metric shafting and chrome steel bearings in linear slide units.