MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes
MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes
MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes
MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes
MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes
MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes
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MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple SizesMXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple SizesMXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple SizesMXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple SizesMXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple SizesMXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes

MXL Closed Loop Timing Belt – 6mm & 10mm Wide, Black Rubber, Multiple Sizes

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Beschreibung

 

MXL Closed Loop Timing Belt — Precise, Slip-Free Drive for Motion Control Applications

When your 3D printer skips steps, your CNC axis drifts, or your robotics project loses position accuracy, the culprit is often a worn or incorrectly sized drive belt. Engineers, makers, and repair technicians who work with precision motion systems need a reliable source for MXL closed loop timing belts across a wide range of sizes — without waiting weeks for a specialty order.

Each belt in this listing is a closed loop (endless) MXL synchronous belt made from black rubber with internal fiber reinforcement. Available in 6mm and 10mm widths, with models ranging from 22MXL to 1636MXL (inner circumference from approximately 44.7mm / ≈1.76" up to 3326.6mm / ≈130.9"). The MXL tooth pitch is 2.032mm (0.080") with a trapezoidal 40° tooth profile — the industry-standard Miniature Extra Light specification.

These MXL rubber timing belts are widely used in 3D printer X/Y axis drives, small CNC router gantries, desktop robotic arms, stepper motor linear actuators, and light-duty industrial automation equipment. The closed loop design eliminates the need for belt clamps and ensures consistent tension throughout the drive cycle.

🔗 Compatibility: Fits all standard MXL pulleys (2.032mm / 0.080" pitch, 40° tooth angle). Select your model number by tooth count and verify belt width (6mm or 10mm) matches your pulley groove. Cross-reference using the B-number shown in parentheses (e.g., 40MXL = B50MXL).
⚠️ Size Tip: The model number equals the tooth count. Multiply by 2.032mm to calculate inner circumference. If you are unsure of your size, measure your existing belt or contact us to confirm before ordering.

✅ Key Features of These MXL Closed Loop Timing Belts

  • ⚙️Standard MXL Tooth Profile — 2.032mm (0.080") pitch with 40° trapezoidal teeth ensures slip-free synchronous power transmission compatible with all MXL pulleys.
  • 🔄Closed Loop (Endless) Construction — No splice, no clamp, no weak point. The seamless loop design maintains consistent tension and eliminates the backlash common in open-ended belts.
  • 📐Wide Size Selection — Available from 22MXL to 1636MXL, covering inner circumferences from roughly 44.7mm (≈1.76") to 3326.6mm (≈130.9"), so you can find the exact replacement or custom fit for your drive system.
  • 📏Two Width Options — Choose 6mm for compact 3D printer and hobby robotics drives, or 10mm for higher torque CNC gantry and automation applications where lateral belt stability matters.
  • 🖤Black Rubber Body with Fiber Reinforcement — The rubber compound provides flexibility and grip on pulley teeth, while internal fiber cords resist stretching under load for long-term dimensional stability.
  • 🔁Direct OEM Cross-Reference — Each variant lists both the MXL designation and the equivalent B-number (e.g., 50MXL = B63MXL), making it straightforward to match against OEM part numbers or supplier catalogs.

📐 Technical Specifications — MXL Closed Loop Rubber Timing Belt

Belt Type MXL Closed Loop Synchronous (Timing) Belt
Tooth Profile Trapezoidal, 40° included angle
Pitch 2.032mm (0.080")
Belt Width 6mm or 10mm (select variant)
Tooth Count / Model Range 22MXL to 1636MXL (see variant options)
Inner Circumference Range Approx. 44.7mm (≈1.76") to 3326.6mm (≈130.9") — varies by model
Material Black rubber with internal fiber reinforcement
Color Black
Compatible Pulley Standard MXL (Miniature Extra Light) — industry standard
Alternate Designation B-number cross-reference listed per variant (e.g., 40MXL = B50MXL)
Quantity per Order 1 belt per unit
Application See variant options

❓ Frequently Asked Questions

How do I choose the right MXL belt size?

The model number (e.g., 40MXL) indicates the number of teeth. Multiply by the MXL pitch of 2.032mm to get the belt's inner circumference. For example, 40MXL = 40 × 2.032mm = 81.28mm (≈3.2"). Always measure your pulley center distance and required loop length before ordering. If you're between sizes, generally size up.

What does the B-number in parentheses mean, e.g., B50MXL?

The B-number is an alternate industry designation for the same belt. For example, 40MXL=(B50MXL) means both designations refer to the same belt. You can use either number when cross-referencing with other suppliers or OEM part lists.

What is the tensile strength and load capacity of these MXL timing belts?

MXL belts are generally rated for light-duty power transmission. Tensile strength typically depends on the fiberglass or steel cord reinforcement inside the rubber body. For precise load ratings, consult your drive system's engineering specifications. MXL belts are well-suited for low-torque, high-speed applications such as 3D printers and small CNC machines.

Can these belts be used outdoors or in wet environments?

These belts are made from black rubber and are generally resistant to light moisture and dust. However, they are not specifically rated for continuous outdoor UV exposure or full submersion. For harsh outdoor environments, consider a belt with an explicit weather-resistant or EPDM compound rating.

Are these belts compatible with standard MXL pulleys?

Yes. These belts follow the MXL (Miniature Extra Light) tooth profile standard with a 2.032mm (0.080") pitch and 40° tooth angle. They are compatible with any standard MXL pulley. Always verify the belt width (6mm or 10mm) matches your pulley's belt groove width.

How do I decide between the 6mm and 10mm width?

Choose 6mm for compact, lightweight applications such as small 3D printers, hobby robotics, and light CNC axes. Choose 10mm when you need higher torque capacity or lateral stability, such as in heavier CNC gantries or industrial automation setups. Always match the belt width to your pulley's groove specification.

What is the tooth pitch and profile of these MXL belts?

MXL stands for Miniature Extra Light. The tooth pitch is 2.032mm (0.080"), with a trapezoidal tooth profile and a 40° included angle. This is a widely used standard in precision motion control applications.

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

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