XL 40 Teeth Timing Belt Pulley with 5mm Inner Bore for 3D Printers and CNC
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৳ 240.00৳ 300.00 (-20%)
This premium XL-type synchronous timing belt pulley is precision-machined from high-grade aluminum alloy, featuring 40 teeth designed for standard drive belts. Engineered for precise mechanical motion control, it has a 5mm inside diameter bore tailored for NEMA 17 stepper motor shafts or matching rotary rods. With an outer diameter of 40.5mm, an 18mm total width, and dual integrated M4/M5 threaded grub screw holes for secure locking, this durable gear delivers zero-slip power transmission, making it ideal for DIY CNC routers, 3D printers, linear actuators, and custom robotics projects.
XL 40 Teeth Aluminum Timing Belt Pulley with 5mm Inner Bore
Product Overview
The XL-Type 40 Teeth Synchronous Timing Pulley is a precision-machined mechanical component engineered for high-accuracy motion control and reliable power transmission. Crafted from premium-grade aluminum alloy, this gear wheel features a 40-tooth layout optimized for zero-slip engagement with XL-pitch timing belts. With an internal bore diameter of 5mm, it fits directly onto standard NEMA 17 stepper motor drive shafts and rotary rods, making it a critical choice for linear positioning networks and mechanical assemblies.
Key Features
- Precision-Cut XL Profile: Designed with 40 evenly spaced teeth to grip drive belts firmly, preventing tooth slippage or backlash during rapid direction changes.
- Machined Aluminum Build: Constructed from high-strength aluminum alloy, offering an optimal balance of lightweight operation, low rotational inertia, and exceptional wear resistance.
- Flanged Structural Wheels: Dual integrated side flanges confine the timing belt safely within the track channel, preventing it from sliding off under high speeds or lateral loads.
- Dual Secure Locking Sockets: Equipped with two threaded grub screw holes along the raised 20mm mounting collar to lock down flat-milled motor shafts tightly.
- Corrosion-Resistant Finish: Polished metallic finish resists rust and oxidation, ensuring long-term smooth performance in workshops or industrial environments.
Technical Dimensions
- Tooth Profile Type: XL Pitch
- Number of Teeth: 40T
- Inside Bore Diameter: 5mm (0.20 in)
- Total Gear Width/Height: 18mm (0.70 in)
- Outer Edge Diameter: 40.5mm (1.59 in)
- Inner Timing Track Outer Diameter: 37.5mm (1.47 in)
- Top Mounting Collar Outer Diameter: 20mm (0.79 in)
- Top Mounting Collar Height: 7mm (0.27 in)
Ideal Applications
- DIY CNC routers, laser engravers, and plasma cutters.
- Custom FDM 3D printer builds and heavy-duty axis extensions.
- Automated robotics, motorized camera sliders, and pick-and-place industrial machines.
- Educational engineering prototypes and custom mechanical power transmission setups.
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