Small Transparent V-Wheel Polycarbonate Pulley with 5mm Bore

The high-precision transparent Small V-Wheel Polycarbonate Pulley is engineered for ultra-smooth linear motion in DIY CNC machines, 3D printers, and automated writing or engraving systems. Featuring a compact 15.3mm outer diameter and a standard 5mm inner bore, this passive idler wheel is designed to roll seamlessly within the slots of 2020 V-slot and T-slot aluminum extrusion profiles. Its transparent polycarbonate construction offers superior hardness, wear resistance, and dimensional stability compared to standard POM wheels, ensuring long-term reliability and minimal deformation under load.

Equipped with pre-installed dual high-speed precision ball bearings, this pulley wheel minimizes friction, wobble, and operating noise. It is highly compatible with popular 3D printer builds, CoreXY systems, laser engravers, and custom linear rail assemblies. Whether you are building a high-speed desktop 3D printer or a precise drawing machine, this lightweight 4-gram pulley ensures consistent, low-vibration tracking for professional-grade results.

Features:

• Premium Polycarbonate Material: Offers high mechanical strength, excellent wear resistance, and a clean transparent aesthetic.
• Dual Precision Bearings: Pre-fitted with dual ball bearings to deliver smooth, low-friction rotation and eliminate axial play.
• Perfect Extrusion Compatibility: Designed specifically to ride smoothly inside the channels of 2020 V-slot aluminum profiles.
• Compact & Lightweight: Weighs only 4.0 grams, reducing carriage inertia for faster, more accurate printing and engraving.
• High Dimensional Accuracy: Manufactured with tight tolerances to prevent wobble, uneven wear, and tracking errors.

Package Includes:

1 x Small V-Wheel Polycarbonate Pulley (Transparent, 5mm Bore)