MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K
MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K
MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K
MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K
MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K
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MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-KMXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-KMXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-KMXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-KMXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K

MXL Timing Pulley 14-32T Synchronous Wheel Bore 3-10mm for 6mm Width Belt Type-K

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Price:
$11.06 USD
Stock:
In stock (500 units), ready to be shipped

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Description

MXL Timing Pulley 14–32T — Reliable Synchronous Drive for DIY Automation

When your CNC router skips steps or your 3D printer loses position mid-print, the culprit is often a mismatched or poorly machined MXL timing pulley. Makers, hobbyists, and small-workshop engineers who demand repeatable motion need a synchronous wheel they can trust to mesh cleanly with standard MXL belts without slop or wobble.

This MXL timing pulley is machined from aluminum alloy and features a Type-K flanged hub that keeps the 6 mm wide belt tracking straight. Tooth counts span 14T through 32T, with bore diameters ranging from 3 mm (≈0.118 in) up to 15 mm (≈0.591 in) to suit a wide variety of motor shafts. The MXL tooth profile has a 2.032 mm (0.080 in) pitch, and the tooth width is 7 mm to match standard MXL belt widths.

Typical use cases include DIY CNC routing machines requiring precise X/Y axis drive, FDM 3D printer extruder and motion systems using MXL synchronous belts, and small-scale automation rigs such as pick-and-place fixtures or conveyor prototypes where low-backlash MXL synchronous wheel performance is critical.

⚙️ Compatibility: Designed for standard MXL (2.032 mm pitch) timing belts, 6 mm width. Verify your shaft diameter matches the selected bore before ordering.

✅ Key Features of These MXL Timing Pulleys

🦷 Wide Tooth Range (14T–32T)
Fifteen tooth-count options let you dial in the exact drive ratio your motion system needs — from fast, high-torque 14T to smooth, high-speed 32T configurations.
🔩 Type-K Flanged Hub
The raised flanges on both sides of the pulley keep the MXL belt centered and prevent lateral drift during continuous operation, reducing belt wear.
📐 Multi-Bore Options (3–15 mm)
Bore diameters from 3 mm to 15 mm (including 3.175 mm / ⅛ in and 6.35 mm / ¼ in imperial sizes) cover stepper motors, servo shafts, and hobby motor outputs.
🏗️ Aluminum Alloy Construction
Lightweight yet rigid aluminum alloy body keeps rotational inertia low — important for responsive acceleration in CNC and 3D printer axes.
📦 Flexible Pack Quantities (1 / 5 / 10 / 20 Pcs)
Order a single pulley for a repair or a pack of 20 for a multi-axis build. Bulk packs reduce per-unit cost for workshop stock.
🔄 Standard MXL 2.032 mm Pitch
Fully interchangeable with any MXL-profile timing belt on the market, ensuring straightforward sourcing of replacement belts for long-term maintenance.

📐 Technical Specifications — MXL Timing Pulley

Belt Profile MXL (Miniature Extra Light)
Pitch 2.032 mm (0.080 in)
Tooth Count 14T, 15T, 16T, 17T, 18T, 19T, 20T, 22T, 23T, 24T, 25T, 26T, 28T, 30T, 32T
Tooth Width 7 mm
Compatible Belt Width 6 mm
Bore Diameter 3 mm / 3.175 mm / 4 mm / 5 mm / 6 mm / 6.35 mm / 8 mm / 10 mm / 12 mm / 12.7 mm / 14 mm / 15 mm (see variant options)
Hub Style Type-K (flanged)
Material Aluminum alloy
Outer Diameter See variant options
Pack Quantity 1 Pcs / 5 Pcs / 10 Pcs / 20 Pcs (see variant options)

❓ Frequently Asked Questions

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

The tooth count determines your drive ratio. Pair a smaller pulley (e.g., 14T) on the motor with a larger pulley on the driven shaft to reduce speed and increase torque, or use equal tooth counts for a 1:1 ratio. For most desktop CNC and 3D printer builds, 16T–20T on the motor is a common starting point.

Which bore diameter should I select for a NEMA 17 stepper motor?

Standard NEMA 17 stepper motors have a 5 mm output shaft. Select the 5 mm bore variant. If your motor has a D-cut shaft, you will need to add a set screw or use a shaft coupler — the bore on these pulleys is round.

Is this pulley compatible with GT2 or HTD belts?

No. This pulley is machined specifically for the MXL profile (2.032 mm pitch). GT2 belts have a 2 mm pitch with a different tooth geometry, and HTD belts use a rounded tooth profile. Using a mismatched belt will cause skipping and accelerated wear. Always match the belt profile to the pulley profile.

How strong is an aluminum MXL pulley — can it handle continuous duty?

Aluminum alloy pulleys are well-suited for light-to-medium duty continuous operation typical of CNC routers, 3D printers, and small automation rigs. For heavy industrial loads or high-temperature environments, consult a mechanical engineer to verify the load rating matches your application requirements.

Will the flanges prevent belt derailment at higher speeds?

Yes. The Type-K flanged design adds raised lips on both sides of the tooth face, which physically constrain the belt laterally. This is especially useful in vertical or angled belt runs where gravity or side loads would otherwise cause the belt to walk off a flangeless pulley.

What is the difference between the 6.35 mm and 6 mm bore options?

6.35 mm is the metric equivalent of ¼ inch — a common imperial shaft size found on many North American hobby motors and small DC gearmotors. If your motor shaft is labeled ¼ in, select the 6.35 mm bore. If it is labeled 6 mm, select the 6 mm bore. The two are not interchangeable without modification.

Can I buy just one pulley, or do I have to buy a pack?

Single-piece (1 Pcs) options are available for most tooth count and bore combinations. Packs of 5, 10, and 20 pieces are also offered at a lower per-unit cost — useful when building multi-axis machines or stocking spares for a workshop.

🛒 Select your Tooth count and Bore Diameter & Amount above, then add to cart.

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