MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm
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MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mmMXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm

MXL 20T-60T Timing Belts Pulley Pitch 2.032mm AF-type CNC Drive Width 7mm 11mm

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$7.75 USD
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In stock (500 units), ready to be shipped

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Description

MXL Timing Belt Pulley 20T–60T — Precise AF-Type Drive for CNC & Automation

When your motion-control build demands repeatable, slip-free power transfer, a mismatched or poorly machined pulley is the first thing that derails the project. Makers, CNC builders, and robotics engineers who rely on MXL timing belt pulleys need a component that holds tight tolerances across every tooth — whether they are running a lightweight 3D-printer carriage or a heavier gantry axis.

These MXL timing belt pulleys follow the standard MXL tooth profile with a pitch of 2.032 mm (0.080 in). Each pulley is machined in an AF-type (flanged) configuration and is available in tooth counts from 20T to 60T, tooth widths of 7 mm or 11 mm, and bore diameters ranging from 4 mm to 20 mm (approximately 0.16 in to 0.79 in). The flanged design keeps the belt tracking centrally without additional guides.

Typical use cases include CNC router X/Y axis drives, RepRap and CoreXY 3D-printer motion systems, small robotic arm joints, and light-duty conveyor indexing — anywhere an MXL timing belt pulley with a compact footprint and a selectable bore is needed for a clean shaft fit.

✅ Compatible with: Standard MXL open-end and closed-loop timing belts, 2.032 mm pitch, tooth widths 6 mm and 10 mm (fits 7 mm and 11 mm pulley widths respectively). Verify belt width matches selected pulley tooth-width option before ordering.

✅ Key Features of These MXL Timing Belt Pulleys

⚙️ Standard MXL Tooth Profile

2.032 mm pitch conforms to the MXL standard, ensuring mesh compatibility with any MXL timing belt for consistent, backlash-minimized motion.

🔩 AF-Type Flanged Design

Integrated flanges on both sides of the pulley keep the belt centered on the pulley face, reducing lateral drift without extra hardware.

📐 Wide Tooth-Count Range (20T–60T)

Sixteen tooth-count options from 20T to 60T let you dial in the exact speed ratio and torque multiplication your drive system requires.

🕳️ Multiple Bore Sizes (4–20 mm)

Bore options from 4 mm to 20 mm cover common motor shaft diameters including NEMA 17 (5 mm), NEMA 23 (6.35 mm), and larger stepper or servo shafts.

📏 Two Tooth-Width Options (7 mm / 11 mm)

Choose 7 mm width for compact, lightweight builds or 11 mm width for higher belt-contact area and increased load capacity on wider MXL belts.

🏭 CNC-Machined Bore

Each bore is machined to close tolerances for a snug shaft fit, minimizing runout and vibration in high-cycle motion applications.

📐 Technical Specifications — MXL Timing Belt Pulley

Belt Profile MXL (Extra Light)
Tooth Pitch 2.032 mm (0.080 in)
Tooth Count 20T, 22T, 24T, 25T, 26T, 28T, 30T, 32T, 35T, 36T, 38T, 40T, 45T, 50T, 55T, 60T
Tooth Width 7 mm or 11 mm (see variant options)
Bore Diameter 4 mm – 20 mm (see variant options)
Pulley Type AF-type (double-flanged)
Material See variant options
Outer Diameter See variant options
Flange Integrated, both sides
Quantity per Order 1 piece

❓ Frequently Asked Questions

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

The tooth count determines the pulley's pitch diameter and, combined with your motor pulley, sets the drive ratio. A higher tooth count gives a larger pitch diameter, which increases belt speed per motor revolution and reduces torque. For most CNC and 3D-printer axes, 20T is common on the motor side. Use the formula: ratio = driven teeth ÷ driver teeth. Select your tooth count above to see the corresponding variant.

Which bore size fits a NEMA 17 stepper motor shaft?

Standard NEMA 17 stepper motors have a 5 mm output shaft. Select the 5 mm bore option. 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. NEMA 23 motors typically use a 6.35 mm (1/4 in) shaft, so choose the 6.35 mm bore option for those.

What is the difference between the 7 mm and 11 mm tooth-width options?

The tooth width must match the width of your MXL timing belt. A 7 mm pulley is designed for use with 6 mm wide MXL belts (the belt sits within the flanges), while an 11 mm pulley is designed for 10 mm wide MXL belts. Using a wider belt on a narrower pulley will cause the belt to ride on the flanges and wear prematurely. Always match pulley tooth width to belt width.

Are these pulleys compatible with GT2 or HTD belts?

No. These pulleys use the MXL tooth profile with a 2.032 mm pitch. GT2 belts have a 2 mm pitch with a different tooth geometry, and HTD belts use a rounded tooth profile. Mixing profiles causes poor mesh, increased backlash, and accelerated wear. Use only MXL-profile timing belts with these pulleys.

How strong are these pulleys — can they handle continuous duty?

MXL pulleys in this size range are suited for light-to-medium duty applications such as 3D printers, small CNC routers, pick-and-place machines, and robotic joints. Maximum load capacity depends on tooth count, belt width, and operating speed. For heavy industrial continuous-duty applications, consult the belt manufacturer's load tables and verify the pulley material meets your torque requirements. Contact us to confirm material specifications for your specific variant.

Do I need a set screw to secure the pulley to the shaft?

These AF-type pulleys typically include a set screw hole in the hub for securing the pulley to the shaft. Tighten the set screw against a flat on the shaft (D-cut) or directly onto a round shaft for light-duty use. For high-torque applications, a keyed shaft or D-cut shaft is recommended to prevent slipping. Check the variant detail or contact us to confirm set screw specifications for your selected bore size.

How do I select the correct variant for my build?

Use the three variant selectors above: (1) Types — choose your tooth count (e.g., MXL-20T through MXL-60T); (2) Tooth width — choose 7 mm or 11 mm to match your belt width; (3) Bore & Amount — choose the bore diameter that matches your motor or drive shaft. If you are unsure, measure your shaft diameter with calipers before ordering.

🛒 Select your tooth count, tooth width, and bore size above, then add to cart.

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