







🛞 Roll with Precision, Glide in Silence – Upgrade Your Mechanisms Today!
This pack of four 50mm diameter nylon wheels features precision machining from Smart Machines in the EU, using high-grade PA6G cast nylon for exceptional wear resistance and low friction. Each wheel includes licensed 8mm bearings, ensuring smooth, quiet operation ideal for sliding doors and guiding mechanisms on hard floors.
| Caster type | Medium/Large |
| Surface recommendation | Hard Floor |
| Wheel width | 2 Inches |
| Manufacturer | Smart Machines |
| Part number | RN-50-12-8 |
| Item Weight | 140 g |
| Manufacturer reference | RN-50-12-8 |
| Size | 12 mm Width- 8 mm Bearing |
| Finish | Smooth |
| Shape | round |
| Item thickness | 12 Millimetres |
| Item Package Quantity | 1 |
| Cutting Diameter | 50 Millimetres |
| Batteries included? | No |
| Batteries Required? | No |
| Item diameter | 50 Millimetres |
A**L
Replaced old runner wheels without bearings.
Modernised my old electric garage door from jerky and noisy to smooth and silent.
Trustpilot
2 months ago
2 days ago