5mm Bore Bearing With 18.5mm Plastic Tire 5x18.5x8mm Integrated Steel Ball Bearing Assembly For Small Machinery And RC Models Durable Plastic Tire For Smooth Rotation And Precise Fit

Small 5x18.5x8 mm bearing with plastic tire
✔️ 5 mm bore; 18.5 mm outer diameter; 8 mm width; 1 bearing

This compact bearing combines a steel ball bearing with a molded plastic tire, designed for small, precise rotations in hobby machines, RC gear, tiny conveyors, or micro-robotics. It’s ideal for applications where space is tight and smooth motion matters.

✅ Inner bore: 5 mm
✅ Outer diameter: 18.5 mm
✅ Tire width: 8 mm
✅ Inner bearing width: 4 mm
✅ Quantity: 1

💡 What is a small ball bearing used for in compact machinery and hobby projects?

It’s a handy choice for supporting shafts in tight spaces, providing smooth rotation in a compact package.

- optimized for 5 mm bore applications in tiny gear systems
- fits micro robotics, RC parts, and lightweight conveyors
- improves motion quality where plastic tires interface with the bearing