POM Acetal Plastic Bearing 604 With Glass Balls 4x12x4mm Radial Bearing For Precision Machinery Polymer Raceways With Glass Balls Lightweight Durable Bearing For Automation Robotics CNC Projects

POM 604 Plastic Radial Bearing with Glass Balls 4x12x4mm
✔️ ID 4mm x OD 12mm x width 4mm, POM with glass balls, 1 bearing

This POM 604 plastic radial bearing uses acetal polymer raceways with glass balls to deliver smooth rotation in compact setups. It's ideal for small hobby projects, educational kits, and lightweight machinery where space is tight.

✅ Material: POM (Acetal) with glass balls
✅ Inner diameter: 4 mm
✅ Outer diameter: 12 mm
✅ Width: 4 mm
✅ Quantity: 1 bearing

💡 What is a pillow block bearing used for?

Handy, practical answer for common setups:

- Supports rotating shafts in compact systems
- Works in DIY projects and light machinery
- Reduces friction and wear in small assemblies