OpenBuilds Mini-V Wheel Roller with Bearings – POM Solid V Guide Roller, 5 mm ID
OpenBuilds Mini-V Wheel is a precision-engineered roller made from solid polyoxymethylene (POM), offering exceptional stiffness and wear resistance. Its flat guide surface makes it ideal for both linear motion guidance and belt tensioning in 3D printers, CNC machines, and OpenBuilds frame systems.
Key Features:
- Durable POM Construction – High-strength material resists distortion and abrasion.
- 5 mm Inner Diameter – Fits standard 5 mm shafts and axles.
- Flat Guide Surface – Ensures consistent contact for smooth movement and belt tensioning.
- Integrated Bearings – Includes two high-quality ball bearings for low-friction rotation.
- Low Maintenance – Self-lubricating material reduces the need for frequent servicing.
Set Includes:
- 1 × Mini-V Wheel Roller (POM)
- 2 × 5 mm Ball Bearings
Perfect for OpenBuilds V-Slot and C-Beam systems, as well as custom belt-driven and wheel-guided setups. Upgrade your motion components for precision, reliability, and longevity.
Improve your motion control – order the Mini-V Wheel Roller now for smoother, more accurate performance.









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