H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth
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H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 TeethH Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth

H Timing Belt Closed Loop — 30mm Wide, 12.7mm Pitch, 29 to 472 Teeth

HomeDIYer
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By HomeDIYer®

Price:
$11.86 USD
Stock:
In stock (500 units), ready to be shipped

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Description

 

H Timing Belt Closed Loop — Reliable Synchronous Drive for Demanding Applications

When a slipping or mismatched drive belt causes positioning errors, machine downtime, or costly rework, engineers and DIY builders alike need a belt they can count on. This H timing belt closed loop is designed for hobbyists, machine builders, and maintenance professionals who need a precise, repeatable synchronous drive without the guesswork of open-ended belts.

Each belt in this listing is a closed-loop (endless) H-series synchronous belt with a 30mm belt width and a 12.7mm (1/2") tooth pitch. Models range from 145H (368.8mm / ≈14.5" perimeter, 29 teeth) to 2360H (5994.4mm / ≈236.0" perimeter, 472 teeth), covering a wide span of drive configurations. Select your model by matching the perimeter to your pulley center distance or by counting the teeth on your existing belt.

Typical use cases include CNC router axes, industrial conveyor drives, servo-motor power transmission, automated packaging equipment, and replacement drives on woodworking or metalworking machinery — anywhere a synchronous H-series timing belt replacement is needed.

ℹ️ Compatibility: Fits standard H-series (Heavy) pulleys and sprockets with a 12.7mm (1/2") pitch and 30mm belt width. Verify your pulley's tooth profile and pitch before ordering.

✅ Key Features of These H-Series Closed Loop Timing Belts

  • 🔁Closed-Loop (Endless) Construction — No splice, no weak point; the belt runs as a continuous loop for consistent tension and smooth synchronous drive performance.
  • 📐12.7mm (1/2") H-Series Tooth Pitch — Trapezoidal tooth profile matches standard H-series pulleys, making this a direct H timing belt replacement for industrial and DIY machines.
  • 📏30mm Uniform Belt Width — Consistent width across all models ensures compatibility with standard 30mm H-series flanged pulleys and guides.
  • 🔢Wide Size Range — 29 to 472 Teeth — Over 160 variants cover drive perimeters from 368.8mm (≈14.5") to 5994.4mm (≈236"), so you can find the right closed loop timing belt for almost any machine configuration.
  • ⚙️Reinforced Tensile Cord — Typically fiberglass or steel-cord reinforced body resists stretching under load, maintaining accurate tooth engagement over extended service cycles.
  • 🏭Neoprene Rubber Body — Neoprene construction generally offers resistance to oil, moderate heat, and moisture — suitable for workshop, light industrial, and enclosed machine environments.

📐 Technical Specifications — H-Series Closed Loop Timing Belt

Belt Type H-Series (Heavy) Synchronous Timing Belt
Loop Type Closed Loop (Endless)
Tooth Pitch 12.7mm (1/2")
Tooth Profile Trapezoidal (H-series standard)
Belt Width 30mm
Teeth Count Range 29 Teeth (145H) to 472 Teeth (2360H)
Perimeter Range 368.8mm (≈14.5") to 5994.4mm (≈236.0")
Body Material Neoprene rubber (typically)
Tensile Cord See variant options (typically fiberglass or steel)
Compatible Pulleys Standard H-series pulleys, 30mm wide
Operating Temperature Contact us to confirm
Color / Finish See variant options
⚠️ Size Tip: Match your belt by perimeter (listed in mm for each model) or by tooth count. If you are unsure, measure your existing belt's outer circumference or calculate from your pulley center distance.

❓ Frequently Asked Questions

How do I choose the right belt length (number of teeth)?

Count the teeth on your existing belt or measure the center-to-center distance between your pulleys. The perimeter listed for each model (e.g., 368.8mm ≈ 14.5" for 145H) equals the belt's outer circumference. Select the model whose perimeter matches your drive path. When in doubt, size up — a slightly longer belt can typically be tensioned; a belt that is too short cannot be installed.

What load can an H-series timing belt handle?

H-series belts generally handle moderate to heavy synchronous drive loads. Exact tensile strength depends on the cord material (typically fiberglass or steel-reinforced). For precise load ratings, refer to your machine's engineering spec or contact us to confirm.

Can this belt be used outdoors or in wet environments?

H-series timing belts are generally made from neoprene rubber, which offers moderate resistance to oil, moisture, and temperature variation. They are typically suitable for light outdoor or damp environments, but prolonged UV exposure or chemical contact may reduce service life. For harsh outdoor use, confirm material compatibility before ordering.

What pulley standard is compatible with this belt?

This belt uses the H (Heavy) trapezoidal tooth profile with a 12.7mm (1/2") pitch. It is compatible with standard H-series pulleys and sprockets. Verify that your pulley's tooth profile and pitch match before ordering.

What does the model number mean — for example, 145H?

The number before "H" indicates the belt's pitch length in tenths of an inch. For example, 145H has a pitch length of 14.5" (368.8mm). The "H" designates the Heavy series with a 12.7mm (1/2") tooth pitch and 30mm belt width in this listing.

Is this belt suitable for CNC machines and 3D printers?

H-series belts are generally used in heavier-duty applications such as CNC routers, industrial conveyors, and servo-driven axes. For most desktop 3D printers, a smaller pitch belt (such as GT2) is more common. However, larger-format CNC and industrial 3D printing equipment may use H-series belts — check your machine's specification.

How do I convert the perimeter from mm to inches?

Divide the mm value by 25.4. For example, 368.8mm ÷ 25.4 ≈ 14.5". Each variant listing shows both the model number and the exact perimeter in mm so you can cross-reference easily.

🛒 Select your model and teeth number above, then add to cart — ships from our US warehouse.

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