8x45x14mm Polyurethane Rubber Sealed Roller Wheel Bearing Miniature Tire For Small Machinery And Conveyors High Load Capacity Superior Impact Resistance Durable PU Wheel With Ball Bearing

This is a compact sealed wheel bearing with a polyurethane tire, designed for tiny wheels in small machinery. It's commonly used in hobby robotics, conveyor rollers, drawer slides, and light-duty caster wheels where smooth rolling and durable load handling matter.

✅ Inner diameter: 8 mm
✅ Outer diameter: 45 mm
✅ Width: 14 mm
✅ Bearing type: Deep groove ball bearing
✅ Material: GCr15 steel; PU tire with rubber seals
✅ Seals: Rubber seals
✅ Quantity: 1 bearing

💡 What is a sealed ball bearing wheel used for in compact drive systems?

Handy for small machines needing smooth motion.

• Handy for mini conveyors and robotics where space is tight
• Reduces friction and wear with polyurethane tire
• Sealed design keeps dirt out and extends life
• Supports steady, quiet rotation under light loads