Industrial & Scientific

The Best Mechanical Timing Pulley Flanges

1 min read WeKompare Editorial Team Products verified: August 30, 2026 10 products compared

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Mechanical timing pulley flanges are critical components in various machinery, ensuring precise synchronization and power transmission. Selecting the correct flange is essential for optimal performance, longevity, and safety of your equipment. This guide will help you navigate the key considerations for choosing the right timing pulley flange for your industrial applications.

No. 1
Ametric® 8M22X50 Steel HTD Timing Pulley with Flange, 8 mm Pitch, 22 Teeth, for 50 mm wide belt, 12 mm +/-1mm...
Ametric® 8M22X50 Steel HTD Timing Pulley with Flange, 8 mm Pitch, 22 Teeth, for 50 mm wide belt, 12 mm +/-1mm...
  • 1-080-8M22X50 Ametirc Part Number
  • Steel HTD Timing Pulley with Flange
  • 8 mm Pitch 22 Teeth for 50 mm wide belt
  • 54.65 mm Outside Diameter(De)
  • 70 mm Overall Width(L)
$112.98
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No. 2
Ametric® 5M24X25 Steel HTD Timing Pulley with Flange, 5 mm Pitch, 24 Teeth, for 25 mm wide belt, 6 mm +/-1mm...
Ametric® 5M24X25 Steel HTD Timing Pulley with Flange, 5 mm Pitch, 24 Teeth, for 25 mm wide belt, 6 mm +/-1mm...
  • 1-080-5M24X25 Ametirc Part Number
  • Steel HTD Timing Pulley with Flange
  • 5 mm Pitch 24 Teeth for 25 mm wide belt
  • 37.06 mm Outside Diameter(De)
  • 38 mm Overall Width(L)
$47.67
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No. 3
Ametric® 8M44X50 Steel HTD Timing Pulley with Flange, 8 mm Pitch, 44 Teeth, for 50 mm wide belt, 18 mm +/-1mm...
Ametric® 8M44X50 Steel HTD Timing Pulley with Flange, 8 mm Pitch, 44 Teeth, for 50 mm wide belt, 18 mm +/-1mm...
  • 1-080-8M44X50 Ametirc Part Number
  • Steel HTD Timing Pulley with Flange
  • 8 mm Pitch 44 Teeth for 50 mm wide belt
  • 110.68 mm Outside Diameter(De)
  • 70 mm Overall Width(L)
$254.26
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No. 4
Ametric® 5M40X9 Steel HTD Timing Pulley with Flange, 5 mm Pitch, 40 Teeth, for 9 mm wide belt, 6 mm +/-1mm...
Ametric® 5M40X9 Steel HTD Timing Pulley with Flange, 5 mm Pitch, 40 Teeth, for 9 mm wide belt, 6 mm +/-1mm...
  • 1-080-5M40X9 Ametirc Part Number
  • Steel HTD Timing Pulley with Flange
  • 5 mm Pitch 40 Teeth for 9 mm wide belt
  • 62.52 mm Outside Diameter(De)
  • 22.5 mm Overall Width(L)
$48.51
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No. 5
Ametric® 5M32X15 Steel HTD Timing Pulley with Flange, 5 mm Pitch, 32 Teeth, for 15 mm wide belt, 8 mm +/-1mm...
Ametric® 5M32X15 Steel HTD Timing Pulley with Flange, 5 mm Pitch, 32 Teeth, for 15 mm wide belt, 8 mm +/-1mm...
  • 1-080-5M32X15 Ametirc Part Number
  • Steel HTD Timing Pulley with Flange
  • 5 mm Pitch 32 Teeth for 15 mm wide belt
  • 49.79 mm Outside Diameter(De)
  • 28 mm Overall Width(L)
$49.15
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SaleNo. 6
Z 007 F - SKF - Standard Accessories - Factory NEW!
Z 007 F - SKF - Standard Accessories - Factory NEW!
−21% $13.17
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No. 7
Zeelo GT2 Timing Belt Pulley, 8pcs 5mm 20 Teeth Timing Pulley Wheel and GT2 5 Meters Rubber 2mm Pitch 6mm Wide...
Zeelo GT2 Timing Belt Pulley, 8pcs 5mm 20 Teeth Timing Pulley Wheel and GT2 5 Meters Rubber 2mm Pitch 6mm Wide...
  • This timing belt kit is is designed specifically for linear movement and precision, high positioning accuracy.
  • The timing pulley with 20 teeth which minimizes the risk of the belt slipping.
  • The timing belt is made of premium rubber, more durable and flexible.
  • Popular choices for Reprap, Prusa, MendelMax, 3D Printer.
  • 100% service satisfactory, any question or problem, just feel free to contact us, and we would always try our best to help.
$13.99
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No. 8
Fielect Aluminium Alloy XL 50 Teeth 8mm Inner Bore Diameter Timing Belt Pulley Flange Synchronous Wheel Silver...
Fielect Aluminium Alloy XL 50 Teeth 8mm Inner Bore Diameter Timing Belt Pulley Flange Synchronous Wheel Silver...
  • 【Parameters】- Model: XL50; Bore Diameter: 8mm/0.31"; Total height: 25mm/0.98"; Tooth Outer Diameter: 80.3mm/3.13"; Tooth Width: 11mm/0.43"; Teeth: 50T; Tooth Pitch: 5.08mm/0.2".
  • 【High Quality Material】- Timing belt gear is made of aluminum alloy, sturdy and durable,surface oxidation treatment, anti-rust and anti-corrosion effectively.Deburring is carried out at the threaded hole, which is not easy to wear the synchronous...
  • 【Feature】- Timing Pulley contact with the tooth side which minimizes the risk of the belt slipping.Accurate tooth surface of inner hole, less runout and more stable.
  • 【Application】- The XL size aluminum pulley wheel is suitable for general torque transmission design and high speed transmission design. Timing Pulley is widely used in milling machine, CNC engine lathe, gear shaper, hobbing machine, drilling machine...
  • 【Package Contents】- 1Pcs x Timing Pulley.
$23.99
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No. 9
Fielect Aluminium Alloy XL 60 Teeth 10mm Inner Bore Diameter Timing Belt Pulley Flange Synchronous Wheel...
Fielect Aluminium Alloy XL 60 Teeth 10mm Inner Bore Diameter Timing Belt Pulley Flange Synchronous Wheel...
  • 【Parameters】- Model: XL60; Bore Diameter: 10mm/0.39"; Total height: 25mm/0.98"; Tooth Outer Diameter: 96.5mm/3.76"; Tooth Width: 11mm/0.43"; Teeth: 60T; Tooth Pitch: 5.08mm/0.2".
  • 【High Quality Material】- Timing belt gear is made of aluminum alloy, sturdy and durable,surface oxidation treatment, anti-rust and anti-corrosion effectively.Deburring is carried out at the threaded hole, which is not easy to wear the synchronous...
  • 【Feature】- Timing Pulley contact with the tooth side which minimizes the risk of the belt slipping.Accurate tooth surface of inner hole, less runout and more stable.
  • 【Application】- The XL size aluminum pulley wheel is suitable for general torque transmission design and high speed transmission design. Timing Pulley is widely used in milling machine, CNC engine lathe, gear shaper, hobbing machine, drilling machine...
  • 【Package Contents】- 1Pcs x Timing Pulley.
$16.99
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No. 10
Ametric® 8M30TL30.1615 Steel HTD Timing Pulley with Flange, 8M Pitch, for a 30 mm Wide HTD Timing Belt...
Ametric® 8M30TL30.1615 Steel HTD Timing Pulley with Flange, 8M Pitch, for a 30 mm Wide HTD Timing Belt...
  • 1-016-8M30TL30.1615 Ametirc Part Number
  • Steel HTD Timing Pulley with Flange
  • 8M Pitch for a 30 mm Wide HTD Timing Belt
  • 30 Teeth
  • for 1615 Taper Lock Bushing
$110.92
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Last update on 2026-08-30 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Mechanical Timing Pulley Flanges

Installation and Maintenance Tips

Proper installation is vital for the effective operation of timing pulley flanges. Ensure the flange is securely fastened to the pulley and that there is no wobble or misalignment. Regularly inspect flanges for signs of wear, damage, or corrosion. Loose or damaged flanges can lead to belt slippage, premature wear, or even catastrophic equipment failure. Cleaning the flange and surrounding components periodically can also help maintain optimal performance.

Frequently Asked Questions

What is the primary purpose of a timing pulley flange?
The main purpose of a timing pulley flange is to guide and retain the timing belt on the pulley, preventing it from coming off during operation, especially under side-loading conditions.
How do I determine the correct bore size?
The bore size of the flange must match the diameter of the shaft on which the pulley is mounted. Measure your shaft accurately to ensure a proper fit.
Can I use a flange with a larger outer diameter than the belt?
Generally, the flange's outer diameter should be slightly larger than the pulley's rim but not so large that it interferes with the belt's movement or teeth. Consult the belt manufacturer's specifications.
Are steel flanges better than aluminum for all applications?
Steel offers greater strength and durability, making it ideal for high-torque or heavy-duty applications. Aluminum is lighter and more corrosion-resistant, often suitable for less demanding or specific environmental conditions.
How often should I check my timing pulley flanges?
It's recommended to inspect flanges during routine maintenance checks, or at least every few months, depending on the operating hours and severity of the application.
What happens if a flange is not installed correctly?
Incorrect installation can lead to the belt slipping off the pulley, causing synchronization issues, increased wear on the belt and pulley, and potential equipment damage.