S5M Timing Belt 10mm Wide Closed Loop Synchronous Belt | 700–4000mm

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Beschreibung

 

S5M Closed Loop Synchronous Timing Belt — 10mm Wide, 700 to 4000mm Lengths

When a drive belt slips or stretches mid-run, it throws off positioning accuracy and can halt an entire machine. Engineers, makers, and repair technicians who rely on precise motion control — from CNC router builders to 3D printer enthusiasts to conveyor system maintainers — need a synchronous belt that holds its pitch under load without creep or backlash.

Each belt in this listing is a closed loop (endless) S5M synchronous timing belt, 10mm (≈3/8") wide, with a 5mm tooth pitch and trapezoidal tooth profile. Available lengths run from 700mm (≈27.6") to 4000mm (≈157.5"), sold individually (1 pc) or as a pair (2 pcs). The belt body is typically constructed from neoprene rubber with a fiberglass or steel tension cord core, providing dimensional stability across the full length range.

Typical use cases include S5M pulley drive systems in desktop CNC machines, closed-loop stepper motor belt drives for 3D printers, light-duty conveyor and indexing table replacements, and automation equipment with synchronous shaft-to-shaft power transmission. The standardized S5M tooth geometry ensures drop-in compatibility with any S5M-profile pulley or sprocket.

🔗 Compatibility: Fits all standard S5M-profile pulleys and sprockets (5mm pitch, trapezoidal tooth). Not compatible with HTD 5M pulleys — verify your pulley profile before ordering.

✅ Key Features of These S5M Closed Loop Timing Belts

  • 📐 Wide Length Selection — Available from 700mm (≈27.6") to 4000mm (≈157.5") in fine increments, covering the vast majority of S5M drive applications without custom cutting.
  • ⚙️ Trapezoidal S5M Tooth Profile — Positive tooth engagement eliminates belt slip and maintains accurate positioning, making these belts well-suited for stepper and servo motor drive systems.
  • 🧵 Reinforced Tension Cord Core — Fiberglass or steel cord reinforcement (typical for S5M construction) resists elongation under cyclic load, preserving pitch accuracy over time.
  • 🔄 Closed Loop (Endless) Construction — No joint, splice, or seam — the belt runs as a continuous loop for smooth, vibration-free operation at both low and moderate speeds.
  • 📏 10mm Consistent Width — Uniform 10mm belt width across all length variants ensures consistent pulley tracking and even load distribution across the tooth face.
  • 🛒 Single or Pair Quantity Options — Order 1 pc for a single-axis replacement or 2 pcs for dual-axis machines (such as CoreXY 3D printers or dual-drive conveyors) in one transaction.

📐 Technical Specifications — S5M Synchronous Timing Belt

Belt Type S5M Closed Loop Synchronous (Timing) Belt
Tooth Pitch 5mm (S5M standard)
Tooth Profile Trapezoidal (synchronous)
Belt Width 10mm (≈3/8")
Available Lengths 700mm (≈27.6") to 4000mm (≈157.5") — see variant options
Belt Construction Neoprene rubber body with fiberglass or steel tension cord (typical S5M construction)
Loop Type Endless / Closed Loop (no joint)
Compatible Pulley Profile S5M (5mm pitch, trapezoidal) — NOT compatible with HTD 5M
Quantity per Order 1 pc or 2 pcs — select via Qty(pcs) option
Tensile Load Capacity Typically 100–300 N at 10mm width (varies by speed and pulley diameter)
Temperature Range Contact us to confirm
Color See variant options
⚠️ Sizing Note: Belt length refers to the outer circumference of the closed loop. Confirm your required belt pitch length before ordering. If you are unsure, contact us with your pulley center distance and pulley tooth count.

❓ Frequently Asked Questions

How do I choose the right belt length for my application?

Measure the center-to-center distance between your two pulleys, then use the formula: Belt Length ≈ 2 × C + π × (D1 + D2) / 2, where C is the center distance and D1/D2 are the pulley pitch diameters. For example, a 1000mm belt (≈39.4") is generally used with a ~150mm center distance on a typical S5M pulley pair. When in doubt, size up slightly — a belt that is a few mm too long can be tensioned; one that is too short cannot be installed.

What pulleys are compatible with this S5M timing belt?

This belt is compatible with any S5M-profile pulley or sprocket — the S5M standard specifies a 5mm pitch with a trapezoidal tooth form. It is not interchangeable with HTD 5M pulleys, which use a rounded (curvilinear) tooth profile despite having the same 5mm pitch. Always verify your pulley's tooth profile before ordering.

How do I convert the belt length from millimeters to inches?

Divide the mm value by 25.4. Common conversions for this listing:

  • 700mm ÷ 25.4 ≈ 27.6"
  • 1000mm ÷ 25.4 ≈ 39.4"
  • 1500mm ÷ 25.4 ≈ 59.1"
  • 2000mm ÷ 25.4 ≈ 78.7"
  • 3000mm ÷ 25.4 ≈ 118.1"
  • 4000mm ÷ 25.4 ≈ 157.5"
How much load or torque can a 10mm wide S5M belt handle?

At 10mm width, S5M belts are generally rated for light-to-medium duty applications. Typical tensile load capacity is in the range of 100–300 N, depending on operating speed, pulley diameter, and wrap angle. They are well-suited for 3D printers, small CNC machines, and light conveyor drives. For heavy industrial loads, contact us to confirm suitability.

Can this belt be used outdoors or in wet/humid environments?

S5M belts are typically constructed from neoprene rubber, which offers moderate resistance to moisture, mild oils, and humidity. They are generally suitable for light outdoor or damp indoor environments. Prolonged direct UV exposure or immersion in harsh solvents or chemicals may reduce service life. For demanding outdoor or chemical-exposure applications, contact us to confirm material specifications.

Is this belt open-ended or a closed loop? Can I cut it to a custom length?

This is a closed loop (endless) belt — it is a continuous loop with no seam, joint, or splice. It cannot be cut to a custom length and used as an open belt. You must select the variant that matches your required belt circumference. If you need a length not listed, contact us — we may be able to source it.

What is the difference between S5M and HTD 5M belts?

Both S5M and HTD 5M have a 5mm tooth pitch, but they use different tooth profiles: S5M uses a trapezoidal (angular) tooth, while HTD 5M uses a rounded (curvilinear) tooth. The two are not interchangeable — using an S5M belt on an HTD 5M pulley (or vice versa) will result in poor engagement, noise, and accelerated wear. Always match belt and pulley profiles.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

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