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Home / Product Range / Pulleys / Timing Pulleys / 32-Tooth HTD 8M Round-Tooth Heavy-Duty Timing Pulley, for CNC Machine Tools and Heavy-Duty Automation
  • 32-Tooth HTD 8M Round-Tooth Heavy-Duty Timing Pulley, for CNC Machine Tools and Heavy-Duty Automation
  • 32-Tooth HTD 8M Round-Tooth Heavy-Duty Timing Pulley, for CNC Machine Tools and Heavy-Duty Automation
Timing Pulleys

32-Tooth HTD 8M Round-Tooth Heavy-Duty Timing Pulley, for CNC Machine Tools and Heavy-Duty Automation

This 32-tooth HTD 8M round-tooth taper-bush timing pulley uses the metric High Torque Drive (HTD) tooth profile and is designed for heavy-load, high-precision, high-belt-speed industrial transmission. Compared with traditional trapezoidal teeth, the round tooth profile withstands greater shear stress, making it an efficient power transmission solution to replace heavy chains and gears.

Item Specification
Model P32-8M-30 (32 teeth)
Product type HTD 8M round-tooth timing pulley (TB taper-bush bore)
Tooth profile HTD round tooth (metric)
Pitch 8mm
Number of teeth 32
Pitch diameter 81.49 mm
Outside diameter 80.17 mm
Flange outside diameter 87 mm
Belt width compatibility 30 (fits 30mm-wide timing belts)
Bore type TB taper-bush bore (fits 1210 taper bush)
Material options HT250 gray cast iron / 45# steel (pulleys with fewer than 72 teeth are usually phosphated steel)
Tooth face type Single-sided teeth
Matching timing belt material Neoprene + fiberglass cord
Key Product Advantages Key Selling Points Applications and Scenarios Contact Us

1. HTD round-tooth profile, ultra-high torque capacity: The rounded tooth root eliminates stress concentration, giving more than 30% higher load capacity than trapezoidal teeth at the same pitch. Under sudden shock loads or heavy-load starts, it effectively prevents tooth skipping and root breakage, ensuring rigid power transmission.
2. Dense meshing, low noise, high smoothness: The large 8mm pitch combined with a mid-size 32-tooth pitch diameter gives the belt more teeth in mesh during operation. Meshing is progressive and smooth, absorbing the equipment's high-frequency vibration and significantly reducing mechanical noise under heavy-load transmission.
3. Large 1210 taper bush, strong locking with zero backlash: The standard 1210 taper-bush bore grips the shaft through the 8° taper with very high concentricity. Removal only requires turning the bolts, avoiding the shaft damage that large pulleys suffer from shrink-fit or hammered removal.
4. High-strength material, built for harsh conditions: The body can be HT250 gray cast iron or 45# steel (phosphated surface). The high-strength material keeps the teeth from deforming at very high belt speeds, while offering excellent oil and wear resistance, making it a perfect fit for dusty, humid heavy-industry workshops.

A "power-type" pulley for heavy-duty transmission: Built for high-torque, high-load conditions, solving the belt slippage of conventional belts and the insufficient capacity of ordinary timing belts.
Maintenance-free precise synchronization: No lubricating oil needed and an absolutely constant transmission ratio, with no oil leakage contaminating equipment and very low maintenance cost.
North American / European universal standard: The 8M tooth profile is an internationally common high-torque specification, so overseas customers can select replacements with zero barriers.

Heavy-duty automation: Main spindle drives of large CNC machine tools, heavy-duty gantry manipulators, and press feed systems.
Fluid machinery: Efficient power transmission for high-power air compressors, high-pressure water pumps, and industrial fans.
Mining and metallurgy: Drive systems for vibrating screens and conveyor belts (suited to high dust and strong impact conditions).
Special clean environments: Food processing and pharmaceutical packaging machinery (lubrication-free, contamination-free).

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About Rentai
Transmission Equipment

Shanghai Rentai Transmission Equipment Co., Ltd. is a manufacturer specializing in R&D, production and export of mechanical transmission components. Our main products include taper lock pulleys, taper lock bushes, timing pulleys, V-belts and timing belts. We also provide OEM & ODM custom service for non-standard transmission parts. Our factory covers over 8000 square meters, with more than 100 employees including 22 technical staff. We integrate casting, machining and finishing, equipped with CNC machines and testing instruments, with an annual casting output of 2000 tons. Supported by complete quality management system and international standards, our products are exported to Southeast Asia, Middle East, Europe and America, delivering reliable transmission solutions for global industrial clients.

  • 10+

    Industry Experience

  • 100+

    Production staff

  • 2000+Ton

    Annual Production

  • 8000+㎡

    Factory Area

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