Sealed Ball Bearing 55mm Bore, 100mm Outer Diameter, 21mm Width, Chrome Steel, Rubber Seals For Dust Protection, Self Lubricated And Pre Greased, High Load Capacity For Machinery And Industrial Applications

Single 211SZ sealed ball bearing 55x100x21 mm
✔️ 55x100x21 mm, chrome steel, rubber sealed, pre-greased

This 211SZ sealed ball bearing is a compact unit made from chrome steel with rubber seals to keep out dust and contaminants. It’s pre-greased and ready to install in machinery, conveyors, motors, and linear systems.

✅ Inner diameter 55 mm
✅ Outer diameter 100 mm
✅ Width 21 mm
✅ Material Chrome steel
✅ Seal type Rubber sealed
✅ Dynamic load rating 43,500 N
✅ Static load rating 29,300 N
✅ Max speed 4,300 RPM

💡 What is a sealed ball bearing used for in everyday industrial machinery? A quick handy overview.
- Used to support rotating shafts in light to medium load equipment
- Sealed to keep out dust and retain lubricant in dusty or damp settings
- Common in conveyors, motors, gearboxes, and linear guides
- Pre-greased options reduce maintenance time