Best Mechanical Idler Belt Pulleys in 2026
Daisy
Last Updated: Jan 22, 2026
Daisy
Last Updated: Jan 22, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 3Dman | 7.74 | ✅ | ✅ | ✅ |
Used for GT2 6mm Wide Timing Belt.
20 Toothless timing belt idler pulley, bore 5mm.
Widely used in 3D printer, CNC, milling machine, gear forming machine, drilling machine, CNC machine tool lathe, hobbing machine or other mechanical transmission occasions.
Material: Aluminium alloy
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Houkr | 5.48 | ✅ | ✅ | ✅ |
●Anti-corrosion: Surface oxidation treatment, 30% longer than the traditional life.
●Solid and durable: Made of aluminum alloy, high hardness and high precision.
●Simple structure: Easy to install, easy to assemble and disassemble.
●Best choice: The GT2 timing pulley is perfect for 3d printer.
●Applications: Widely used in milling machine, gear shaper, drilling machine, hobbing machine or other machinery transmission occasions.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Lician | 9.90 | ✅ | ✅ | ✅ |
Product Contain: 10 x Timing belt pulleys; Teeth type: without teeth
Product Size: Drilling diameter: 5mm/0.2", Sutible for GT2 6mm/0.24" wide timing belt.
Product Material: Aluminum, surface oxidation treatment, effective rust prevention, anti-corrosion
Product Features: Double bearings: Use high quality motor grade bearings to ensure good machine operation.
Applications: Widely used in milling machines, gear forming machines, drilling machines, CNC machine tools, hobbing machines or other mechanical transmission applications.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
2 PCS Black GT2 20 Teeth H Type Idler Timing Pulley, Fit for 6mm Width Timing Belt
Inner Bore: 3mm,Teeth Width: 6.5mm, Overall Height: 8.5mm, Outer Diameter: 18mm, Type: Smooth without teeth
Made from high quality aluminum alloy, high hardness, anodized surface treatment,effective waterproof and rustproof, corrosion resistant, more beautiful and durable.
Each idler timing pulley has double bearings, to ensure the machine runs well
Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E-outstanding | 9.89 | ✅ | ✅ | ✅ |
Effective waterproof and rust proof, corrosion resistance, more beautiful and durable.
Made of high quality aluminum alloy, high hardness, anodized surface treatment.
Each idler timing pulley has double bearings to ensure the normal operation of the machine.
Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.
Suitable for timing belt with 6mm width, inner hole: 3mm, tooth width: 6.5mm, total height: 8.5mm, outer diameter: 18mm.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E-outstanding | 9.89 | ✅ | ✅ | ✅ |
Effective waterproof and rustproof, corrosion resistant, more beautiful and durable.
Made from high quality aluminum alloy, high hardness, anodized surface treatment.
Each idler timing pulley has double bearings, to ensure the machine runs well.
Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.
Inner Bore: 3mm, Teeth Width: 6.5mm, Overall Height: 8.5mm, Outer Diameter 18mm, Type: Smooth without teeth.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HJ Garden | 9.88 | ✅ | ✅ | ✅ |
2pcs Black GT2 20 Teeth H Type Idler Timing Pulley, Fit for 10mm Width Timing Belt.
Inner Bore: 5mm, Teeth Width: 11mm, Overall Height: 14mm, Outer Diameter 18mm, Type: Smooth without teeth.
Made from high quality aluminum alloy, high hardness, anodized surface treatment, effective waterproof and rustproof, corrosion resistant, more beautiful and durable.
Each idler timing pulley has double bearings, to ensure the machine runs well.
Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E-outstanding | 9.89 | ✅ | ✅ | ✅ |
Effective waterproof and rustproof, corrosion resistant, more beautiful and durable.
Made from high quality aluminum alloy, high hardness, anodized surface treatment.
Each idler timing pulley has double bearings, to ensure the machine runs well.
Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.
Inner Bore: 5mm, Teeth Width: 6.5mm, Overall Height: 8.5mm, Outer Diameter 18mm, Type: Smooth without teeth.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| hotzzz | 9.72 | ✅ | ✅ | ✅ |
HIGH QUALITY:dopt high quality aluminum alloy, excellently machined, finished smoothly
APPLICANCE:Perfect choice for building a 3D printer or similar projects.
Belt Width: 10mm / 0.393" ;Inner Diameter: 5mm / 0.196";Outer Diameter: 18mm / 0.708"
WIDELY USED:Widely used in milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery transmission occasions
EXCLUSIVE SATISFACTION GUARANTEE: All products sold by our brand, we will give the strict assurance of the quality, if there have any quality problems, please contact us. Hope you can feel comfortable to buy and use
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| E-Outstanding | 3 |
| Hj Garden | 2 |
| 3Dman | 1 |
| Houkr | 1 |
| Lc Lictop | 1 |
| Wal Front | 1 |
We've carried out a comprehensive analysis of 744 reviews on mechanical idler belt pulleys, using our selection criteria to identify the best options in the large appliances. Our findings reveal that most customers typically select mechanical idler belt pulleys priced around $9.12, with top brands including baridwon, simax3d, e-outstanding, hj garden, 3dman, bz 3d, lc lictop and wal front and houkr
Our team of expert editors reviewed these high-quality items and handpicked the top 9 mechanical idler belt pulleys for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the large appliances category. These include baridwon, simax3d, e-outstanding, hj garden, 3dman, bz3d, lician and hotzzz and houkr .
We are dedicated to assisting our users in finding the right pulleys Products based on their needs, saving them considerable time when choosing which mechanical idler belt pulleys to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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