GT2 Idler Pulley With Teeth 20 Bore 4mm Belt Width 6mm for 3D Printer
GT2 Idler Pulley With Teeth 20 Bore 4mm Belt Width 6mm for 3D Printer
- This GT2 idler pulley is precision-machined to deliver smooth, reliable belt guidance for your 3D printer or CNC motion system.
- The 20-tooth GT2 profile ensures correct tooth engagement with GT2 timing belts (6 mm width), reducing belt wear and improving print accuracy.
- The 4 mm bore accepts standard 4 mm shafts and can be mounted with a press-fit, retaining clip, or small set screw depending on your printer frame.
- Built from lightweight aluminum with a sealed bearing, this pulley balances rigidity with low rotational inertia for responsive motion.
Specifications
- Product Name: GT2 Aluminum Timing Pulley
- Bore Size: Fits seamlessly with a 4mm shaft for secure installation.
- Material: Aluminum Alloy
- Tooth Profile: GT2 Pulley
- Teeth: With 20 teeth
- Compatible Belt: GT2 timing belt
- Finish: CNC-machined, anodized
- Application: Motion control systems
- Bore Diameter: Belt Compatibility: Optimized for 6mm wide GT2 timing belts.
Usage and compatibility
- Compatible with GT2 timing belts (6 mm width).
- Fits 4 mm shafts; if your printer uses M5 or larger shafts, use a bushing or a different bore size.
- For best results, pair with a properly tensioned GT2 belt and aligned pulleys/drive gears.
Applications
- 3D Printers (X-axis, Y-axis, Z-axis)
- CNC routers and milling machines
- Laser cutting and engraving machines
- Robotics and automation equipment
- DIY mechanical and engineering projects
Package Contents
-
1 piece of GT2 Idler pulley with teeth.








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