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When a slipping V-belt or worn drive chain causes costly downtime on your conveyor, servo axis, or industrial machine, the fix is a synchronous belt that locks tooth-to-tooth and never slips under load. Engineers, machine builders, and maintenance technicians who need a dependable closed-loop timing belt in a heavy-duty 14mm pitch will find the S14M the right choice for demanding drive applications.
Each belt is a single closed-loop synchronous belt with a curvilinear S14M tooth profile and a 14mm pitch. Belts are available in four widths — 30mm (≈1.18"), 40mm (≈1.57"), 50mm (≈1.97"), and 60mm (≈2.36") — and in perimeters ranging from 966mm (≈38.0") to 4410mm (≈173.6"), covering 42 perimeter sizes. The reinforced rubber construction typically uses fiberglass or steel tension cord embedded in neoprene, providing dimensional stability under cyclic loading.
Typical use cases include servo-driven linear axes on large-format CNC routers, timing drives on industrial conveyors and packaging lines, and replacement drives on printing or textile machinery — applications where a closed-loop 14mm pitch synchronous belt must maintain precise indexing over millions of cycles.
| Belt Type | Closed-loop synchronous timing belt |
|---|---|
| Tooth Profile | S14M curvilinear (round tooth) |
| Pitch | 14mm |
| Available Widths | 30mm (≈1.18"), 40mm (≈1.57"), 50mm (≈1.97"), 60mm (≈2.36") |
| Perimeter Range | 966mm (≈38.0") – 4410mm (≈173.6") |
| Tooth Count Range | 69 teeth – 315 teeth (varies by perimeter) |
| Belt Material | Neoprene rubber with tension cord reinforcement (typically fiberglass or steel) |
| Compatible Pulley Standard | S14M-profile pulleys, 14mm pitch |
| Operating Temperature | See variant options |
| Max Rated Load | Contact us to confirm — varies by width and application |
| SKU Format | FXL[Perimeter]S14M[Width]x1 (e.g., FXL1400S14M30x1) |
Measure the center-to-center distance between your pulleys, then calculate the required belt perimeter using the standard formula: Perimeter ≈ 2 × C + π × (D1 + D2) / 2, where C is center distance and D1/D2 are pulley pitch diameters. For width, match the belt width to your pulley flange width — 30mm belts generally suit lighter loads, while 50–60mm belts handle heavier torque. As a reference: a 1400mm perimeter is approximately 55.1 inches in circumference.
The S14M uses a curvilinear (round) tooth profile with a 14mm pitch. In many catalogs, S14M and HTD 14M refer to the same or dimensionally equivalent profile. This tooth shape generally provides lower noise, reduced backlash, and better load distribution compared to trapezoidal (classical) timing belts of similar pitch. Always verify pulley compatibility before ordering.
Load capacity varies by belt width and perimeter. Generally, a 60mm-wide S14M belt carries significantly higher torque than a 30mm-wide belt of the same perimeter. For specific rated power or torque values for your application speed and pulley size, please contact us — we can help confirm the appropriate variant for your drive system.
S14M belts are typically constructed from neoprene rubber with fiberglass or steel cord reinforcement, which offers moderate resistance to moisture, oil mist, and temperature variation. They are generally suitable for covered industrial environments. For fully outdoor, UV-exposed, or chemically aggressive environments, contact us to confirm suitability before purchasing.
S14M belts require S14M-profile pulleys with a 14mm tooth pitch (also listed as HTD 14M in some supplier catalogs). Ensure your pulley groove width matches the belt width you select — a 30mm belt requires a pulley with at least 30mm of usable groove width, and so on for 40, 50, and 60mm widths. Mismatched flange widths can cause belt tracking issues.
Divide the perimeter in mm by 25.4 to get inches. Quick reference examples from this listing:
Always verify against your machine's drive specifications before ordering.
The S14M 14mm pitch is typically used in medium-to-heavy industrial drives rather than desktop CNC machines or 3D printers, which generally use 2GT (2mm pitch) or 5M (5mm pitch) belts. The S14M is well-suited for larger CNC routers with servo-driven axes, industrial conveyors, packaging machinery, and other equipment requiring a robust closed-loop synchronous belt in the 14mm pitch range.
Ships within 48 hours · Estimated delivery Jun 26 - Jul 1
US$40
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