10Pcs U Groove Belt Pulleys For Track Linear Motion System, Heavy Duty Deep Metal Guide Wheel With U Groove Bearing, Carbon Steel, 4mm Bore, 13mm OD, 7mm Height, 5.2mm U Groove Width, Double Shield

10-Pack U-Groove Pulleys for Track Linear Motion
✔️ bore 4mm (0.15 in), OD 13mm (0.51 in), height 7mm, U groove 5.2mm

These U groove belt pulleys are heavy-duty steel guide wheels designed for track-based linear motion systems. They’re commonly used in drawer slides, automation rigs, 3D printer axes, and CNC linear rails to guide belts and maintain smooth, precise motion.

✅ Pack size: pieces
✅ Material: carbon steel
✅ Model: U624ZZ
✅ Bore: 4 mm
✅ Outer diameter: 13 mm
✅ Height: 7 mm
✅ U groove width: 5.2 mm
✅ U groove depth: 1.8 mm
✅ Double shielding
✅ Application: suitable for linear motion systems

💡 What is a U groove belt pulley used for in a track linear motion system and how to pick the right one? This handy guide helps buyers understand fit and function in common setups. - U groove pulleys guide belts on tracks in CNC machines, 3D printers, and drawer slides - Key fit factors: bore, outer diameter, U groove width, and depth for proper engagement - For rough environments, go with double shielding to resist contamination and wear

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