MARTIN 144-8M-30-T BUSH-2517

Martin 144-8M-30-T HTD Timing Pulley

Description

This is a high-quality HTD (High Torque Drive) timing pulley manufactured by Martin Sprocket & Gear. Designed for synchronous drives, this pulley ensures precise power transmission with minimal slippage. It features 144 teeth with an 8M pitch, suitable for 30 mm wide timing belts. The pulley is designed for use with a 2517 taper lock bush, allowing for easy and secure mounting onto a shaft. Made from robust cast iron, it offers excellent durability and wear resistance for demanding industrial applications.

Specifications

• Manufacturer: Martin
• Part Number: 144-8M-30-T
• Product Type: HTD Timing Pulley
• Number of Teeth: 144
• Pitch: 8M (8 mm)
• For Belt Width: 30 mm
• Bushing Required: 2517 Taper Lock Bush
• Material: Cast Iron

Label Info

• 144-8M-30-T
• BUSH-2517

Application

Ideal for use in conveyor systems, packaging machinery, automation equipment, and other industrial machinery where precise speed ratios and synchronized movement are critical.

Country of Origin

Made in the USA.

CO2 Impact

Opting for this pre-owned pulley saves an estimated 15.0 kg of CO2 compared to manufacturing a new one, contributing to a more sustainable industrial operation.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the correct procedure for installing a 2517 taper lock bush on this pulley?

First, ensure the bore of the pulley and the outside of the bush are clean and free of oil or debris. Align the half-threaded holes in the pulley with the half-plain holes in the bush. Lightly oil the threads of the set screws and insert them. Slide the assembly onto the shaft, position it, and then progressively tighten the screws to the manufacturer’s recommended torque value to ensure a secure fit.

How do I ensure proper belt tension when using this 144-tooth 8M pulley?

Proper belt tension is crucial for performance and longevity. Use a tension gauge to measure the force required to deflect the belt at the center of its span. Refer to the belt manufacturer’s guidelines for the specific tension values for your 8M belt, considering factors like shaft speed, load, and center distance.

What are the signs of wear to look for on an HTD timing pulley like this one?

Inspect the tooth flanks for any signs of polishing, grooving, or material loss, which can indicate misalignment or excessive tension. Check for any wobble or run-out when the pulley is rotating, as this could point to a worn bore or a problem with the bush installation.

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Last Update: Friday, March 13, 2026