4 Pack POM Flanged Sleeve Bearings Black Self Lubricating 20x23x21mm With 30mm Flange Built Tough For All Your Mechanical Projects Replace Worn Bushings Easily And Keep Your Machines Running Smoothly In Harsh Conditions

What is a 4-Pack POM Flanged Sleeve Bearing 20x23x21mm?
✔️ 4-pack POM flanged bearings: 20x23x21 mm body, 30 mm flange

These are black POM flanged sleeve bearings that support rotating shafts with a built-in 30 mm flange for secure mounting. They are maintenance-free and self-lubricating, reducing the need for external lubricants in harsh environments.

✅ Size: ID 20 mm (0.79"), OD 23 mm (0.91"), Length 21 mm (0.83"), Flange Ø 30 mm (1.18")
✅ Flange thickness: 1.5 mm (0.059 in)
✅ Material: POM, self-lubricating, maintenance-free
✅ Pack: 4 pieces (4-pack)
✅ Applications: conveyors, electrical equipment, appliances, industrial gear

💡 What is a sleeve bearing used for in mechanical systems?

In short, it provides a simple, maintenance-free shaft support in rotating assemblies.

- Self-lubricating materials reduce lubrication needs - Used in conveyors, appliances, electrical equipment - Flanged design helps alignment and shaft protection - Handles moderate loads in harsh environments ✝️