T5 Timing Belt – 5mm Pitch Closed Loop Drive Belt for CNC, 3D Printer & Stepper Motor (135mm–300mm)

The model number indicates the belt's outer circumference in millimeters. For example, T5-200 has a 200mm (≈7.9") circumference. To estimate the belt length needed, measure the center-to-center distance between your pulleys, multiply by 2, then add the circumferences of both pulleys. Always verify against your machine's specification sheet or measure the existing belt directly. When in doubt, size up — a slightly longer belt can typically be tensioned; a belt that is too short cannot be installed.

T5 refers to the tooth profile standard: trapezoidal teeth with a 5mm pitch (center-to-center distance between adjacent teeth). This is a widely used metric standard for light-duty power transmission in CNC routers, 3D printers, and automation equipment. It is distinct from GT2 (2mm pitch) or HTD profiles — make sure your pulleys are T5-compatible before ordering.

Widths range from 10mm to 50mm in 5mm increments. Wider belts generally carry higher tangential loads. Match the belt width to your pulley width — the belt should be equal to or slightly narrower than the pulley flange width to track correctly. For most desktop CNC and 3D printer applications, 10–25mm widths are typically sufficient. For heavier-duty or wider-span drives, 30–50mm widths may be appropriate.

Load capacity depends on belt width, operating speed, and the number of teeth in mesh. Wider belts handle greater tangential forces. For light-duty CNC routing, laser engraving, and 3D printing applications, T5 belts generally handle the required torque transmission well. For applications with higher loads or speeds, consult your machine's torque specifications. Contact us if you need confirmation for a specific use case.

These belts are typically constructed from rubber or polyurethane with fiber reinforcement, which generally offers moderate resistance to dust and incidental moisture. Prolonged exposure to UV radiation, oils, solvents, or harsh chemicals may degrade the belt material over time. For outdoor installations or washdown environments, contact us to confirm suitability before ordering.

Yes. These belts follow the standard T5 tooth profile (5mm pitch, trapezoidal tooth form) and are compatible with any standard T5 pulley. Verify that your pulley's tooth count and the belt circumference result in the correct center distance for your application. If you are replacing an existing belt, match the model number to the circumference of the belt being replaced.

T5 timing belts are commonly used in CNC routers (X/Y/Z axis drives), laser engravers, 3D printers (gantry and extruder drives), pen plotters, pick-and-place machines, and other light-duty automation equipment that uses stepper or servo motors for precise linear or rotary motion. They are also used in custom stepper motor timing belt drive builds and small conveyor or indexing systems.