MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm
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MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mmMXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mmMXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mmMXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mmMXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mmMXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mmMXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm

MXL Idler Drive Pulley 14-32 Tooth With Steps for 6mm Timing Belt Bore 3mm-15mm

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Price:
$3.79 USD
Stock:
In stock (500 units), ready to be shipped

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Description

MXL Timing Belt Pulley 14–32T — Precision Synchronous Drive for 6mm Belts

When your CNC router, 3D printer, or small automation rig demands slip-free, repeatable motion, a mismatched or worn pulley is the first thing that breaks your build. Makers, robotics engineers, and workshop builders who rely on MXL timing belt pulley systems need a stepped idler drive wheel that fits their exact shaft and belt width without compromise.

This MXL idler drive pulley is machined to the MXL tooth profile (2.032 mm pitch) and is available in 15 tooth counts from 14T to 32T. The tooth width is 7mm (approx. 0.28 in), designed to run with standard 6mm MXL timing belts. Bore diameters range from 3mm to 15mm (approx. 0.12–0.59 in), covering common motor shaft sizes including 3mm, 3.175mm (1/8 in), 4mm, 5mm, 6mm, 6.35mm (1/4 in), 8mm, 10mm, 12mm, 12.7mm (1/2 in), 14mm, and 15mm. Each pulley features a stepped flange design to keep the belt tracking reliably on the wheel.

Typical use cases include MXL belt drive systems for desktop CNC machines and laser cutters, idler pulley replacement in 3D printer X/Y axis assemblies, and synchronous drive wheels for small robotic arms and conveyor prototypes requiring precise tooth-count gear ratios.

⚙️ Compatible with standard 6mm MXL timing belts (2.032 mm pitch). Verify your shaft diameter before selecting a bore size.

✅ Key Features of These MXL Timing Belt Pulleys

🦷 Wide Tooth Count Range

Available in 15 tooth counts — 14T, 15T, 16T, 17T, 18T, 19T, 20T, 22T, 23T, 24T, 25T, 26T, 28T, 30T, and 32T — letting you dial in the exact gear ratio your drive system requires.

🔩 Broad Bore Selection

Bore diameters from 3mm to 15mm (including 3.175mm and 6.35mm imperial sizes) accommodate a wide range of stepper motor and servo shaft diameters without custom machining.

📐 MXL Profile, 7mm Tooth Width

Machined to the MXL tooth profile (2.032 mm pitch) with a 7mm tooth width, ensuring accurate mesh with standard 6mm MXL timing belts and consistent torque transfer.

🛡️ Stepped Flange Design

Integrated side flanges on each pulley keep the belt centered and prevent lateral drift during high-speed or reversing motion — critical for CNC and 3D printer axes.

📦 Flexible Quantity Options

Order 1, 5, 10, or 20 pieces per variant to match your project scale — from a single replacement to a full batch for production builds or classroom kits.

🔄 Direct Drop-In Replacement

Standardized MXL dimensions make these pulleys a direct swap for worn or undersized idler wheels in existing belt drive assemblies without modifying your frame or motor mount.

📐 Technical Specifications — MXL Timing Belt Pulley

Belt Profile MXL (2.032 mm pitch)
Tooth Count Options 14T, 15T, 16T, 17T, 18T, 19T, 20T, 22T, 23T, 24T, 25T, 26T, 28T, 30T, 32T
Tooth Width 7mm (approx. 0.28 in)
Compatible Belt Width 6mm MXL timing belt
Bore Diameter Range 3mm – 15mm (incl. 3.175mm, 6.35mm, 12.7mm imperial sizes)
Bore Diameter (Selected) See variant options
Flange Type Stepped (integrated side flanges)
Material See variant options
Outer Diameter See variant options
Available Quantities 1 Pcs, 5 Pcs, 10 Pcs, 20 Pcs
Condition New

❓ Frequently Asked Questions

How do I choose the right tooth count for my application?

The tooth count determines your drive ratio. Divide the driven pulley's tooth count by the driving pulley's tooth count to get the ratio. For 1:1 motion (e.g., direct axis drive on a 3D printer), use matching tooth counts on both ends. For speed reduction or torque multiplication, select a larger tooth count on the driven side. Common choices for desktop CNC and 3D printers are 16T–20T on the motor and a matching or slightly larger idler.

Which bore size should I select for my stepper motor shaft?

Measure your motor shaft diameter with a caliper before ordering. Common stepper motor shaft sizes are 5mm (NEMA 17), 6.35mm (1/4 in, common on NEMA 23), and 8mm (larger NEMA 23/34). For servo motors or custom shafts, check your datasheet. If your shaft is imperial (e.g., 1/8 in = 3.175mm or 1/4 in = 6.35mm), select the matching imperial bore option available in this listing.

Will this pulley fit a standard 6mm MXL timing belt?

Yes. This pulley is machined to the MXL tooth profile with a 2.032 mm pitch and a 7mm tooth width, which is the standard for 6mm-wide MXL timing belts. It will not fit GT2, HTD, or other belt profiles — confirm your belt profile before ordering.

Is the bore pre-finished or does it need to be reamed?

The bore is machined to the listed nominal diameter and is intended as a direct fit for standard shaft sizes. For a precision interference fit or if your shaft has a keyway, light reaming or a set-screw collar may be needed. Contact us to confirm tolerance details for your specific bore size.

Can I use this as an idler (non-driven) pulley?

Yes. The stepped flange design makes these pulleys well-suited for use as idler wheels to tension or redirect a 6mm MXL belt. When used as an idler, mount the pulley on a bearing or bushing appropriate for your shaft size and expected RPM. The pulley itself does not include a bearing.

What is the difference between ordering 1 pc vs. 5, 10, or 20 pcs?

Each quantity tier is a separate variant with its own price. Ordering in larger quantities reduces the per-unit cost and is useful for production builds, classroom kits, or keeping spares on hand. All pieces in a multi-pack are identical in tooth count, tooth width, and bore diameter — select your exact combination from the variant dropdowns above.

How do I confirm the outer diameter for my specific tooth count?

The outer diameter of an MXL pulley is calculated as: OD = (Tooth Count × Pitch) / π. For example, a 20T MXL pulley has an OD of approximately (20 × 2.032) / 3.1416 ≈ 12.94mm. If you need the exact OD for a specific tooth count for clearance or housing design, contact us to confirm before ordering.

🛒 Select your tooth count, bore diameter, and quantity above, then add to cart.

 

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