T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley
T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley
T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley
T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley
T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley
T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley
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T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler PulleyT5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler PulleyT5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler PulleyT5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler PulleyT5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler PulleyT5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley

T5 10-60 Teeth 11mm Width Timing Belt Pulley AF-Type Toothed Idler Pulley

HomeDIYer
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By HomeDIYer®

Price:
$8.42 USD
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In stock (500 units), ready to be shipped

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Description

T5 Timing Belt Pulley AF-Type — Precise Motion Control for DIY Automation

When your 3D printer skips steps, your CNC router loses position, or your belt-driven linear stage drifts, the culprit is often a mismatched or worn pulley. Makers, hobbyists, and small-workshop engineers who demand repeatable, slip-free motion need a T5 toothed idler pulley they can trust across long print runs and continuous duty cycles.

These AF-type timing belt pulleys are machined to accept T5 pitch belts (5mm tooth pitch) with an 11mm belt width. The AF designation indicates a flanged, toothed idler configuration. Tooth counts range from 10 to 60 teeth, and bore options span 5mm to 24mm (approximately 0.197" to 0.945"), covering the most common motor shaft and idler shaft diameters used in desktop automation builds.

Typical use cases include T5 timing belt pulley replacements for 3D printer X/Y axes, toothed idler pulley upgrades for CNC router belt drives, and precision motion control components for DIY linear actuators and pick-and-place machines.

⚙️ Belt Compatibility: Designed for T5 pitch timing belts (5mm tooth pitch) with 11mm width. Verify your belt pitch and width before ordering.

✅ Key Features of These T5 AF-Type Toothed Idler Pulleys

  • 🦷Wide Tooth Count Range (10–60T): Covers small-diameter drive pulleys up to large reduction idlers, giving you flexibility across gear ratio designs.
  • 📏11mm Belt Width: Matched to standard T5 11mm timing belts used in desktop CNC, 3D printing, and light automation equipment.
  • 🔩Multiple Bore Sizes (5–24mm): Available in 5, 6, 6.35, 8, 10, 12, 12.7, 14, 15, 16, 17, 18, 19, 20, and 24mm bores to fit common motor and idler shaft diameters.
  • 🏗️AF-Type Flanged Toothed Design: Flanges on both sides keep the belt tracking centered, reducing lateral drift and belt wear in open-loop systems.
  • ⚡Positive Engagement Drive: Toothed profile eliminates belt slip under load, maintaining synchronization between drive and driven shafts in motion control applications.
  • 🔄Sold Individually or in Packs: Order the exact quantity you need — single pieces available, with pack options for multi-axis builds or spare inventory.

📐 Technical Specifications — T5 Timing Belt Pulley

Belt Pitch T5 (5mm)
Belt Width 11mm (0.433")
Tooth Count 10, 12, 14, 15, 16, 17, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 34, 36, 38, 40, 50, 60 Teeth
Bore Diameter 5, 6, 6.35, 8, 10, 12, 12.7, 14, 15, 16, 17, 18, 19, 20, 24mm — See variant options
Pulley Type AF-Type Toothed Idler (Flanged)
Material See variant options
Flange Double-flanged
Pitch Diameter See variant options
Outside Diameter See variant options
Hub Width See variant options

❓ Frequently Asked Questions

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

The tooth count determines the pitch diameter of the pulley, which directly affects your drive ratio and belt speed. For a 1:1 drive, use matching tooth counts on both pulleys. For speed reduction, use a larger tooth count on the driven pulley. Common starting points for desktop CNC and 3D printers are 20T drive pulleys paired with 20T idlers. Select your tooth count above based on your design's center distance and required gear ratio.

What bore size should I select for my motor shaft?

Match the bore to your motor or idler shaft diameter. Common stepper motor shaft sizes are 5mm and 6.35mm (1/4"). Idler shafts are often 5mm, 6mm, or 8mm. Measure your shaft with calipers before ordering. If your shaft has a keyway, confirm the bore variant accommodates it or plan to machine a keyway after installation.

Are these pulleys compatible with standard T5 timing belts?

Yes. These pulleys are designed for T5 pitch timing belts with a 5mm tooth pitch and 11mm belt width. Ensure your belt is labeled T5 and is 11mm wide. Using a belt of a different pitch (e.g., GT2, HTD 5M) or different width will result in poor engagement and premature wear.

What does the AF-type designation mean?

AF-type refers to a flanged, toothed idler pulley configuration. The flanges on both sides of the pulley hub prevent the timing belt from walking off the pulley laterally during operation. This is especially important in open-loop systems where belt tension and alignment may vary slightly over time.

How strong are these pulleys for continuous-duty applications?

These pulleys are suited for light-to-medium duty applications typical of desktop CNC routers, 3D printers, and small automation equipment. For load capacity and torque ratings specific to your application, refer to the tooth count and bore combination you select. Heavier industrial applications may require pulleys with keyways or set-screw hubs — contact us to confirm suitability.

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

The AF-type idler pulley is designed to rotate freely on an idler shaft (as a tensioner or guide), so it typically does not require a set screw for idler use. If you intend to use it as a drive pulley fixed to a motor shaft, you will need to add a set screw or use a shaft collar. Contact us to confirm the hub configuration for your selected variant.

Can I use these pulleys for 3D printer belt tensioners?

Yes. T5 AF-type toothed idler pulleys are commonly used as belt tensioners in 3D printer X and Y axis assemblies. The toothed profile ensures the belt wraps correctly without slipping, and the flanges keep the belt aligned. Select a bore that matches your tensioner bolt or shaft diameter — 5mm is the most common for M5 tensioner bolts.

🛒 Select your Gears (tooth count) and Bore above, then add to cart.

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