AT5-18 timing belt pulley 3D
AT5-18 timing belt pulley 3DAT5-18 timing belt pulley CAD

18AT5 Aluminum Timing Belt Pulley

This is a single flange aluminum Timing pulley. The model is AT5, with 18 teeth, designed to suit a 6mm wide belt. The pulley has a pitch diameter of 28.65mm and an outside diameter of 27.40mm. The flange diameter is 33mm with an inner diameter of 22mm and it comes with a single M5 threaded hole. The pulley is made of clear anodized aluminum alloy material or C45. OEM can customize it to different sizes.

Reference: 18AT5

Quick Order Code: 18AT5-B

There are detailed 3D views and CAD drawings attached for reference.

Timing Belt Pulley

AT5 Series,27.40mmOD,18 Teeth
For Belt Trade Size AT5
Number of Teeth 18
Pitch Diameter 28.65mm
OD 27.40mm
For Maximum Belt Width 6mm
Teeth Shape Trapezoidal  type
Pitch 2.7mm
Bore Diameter 10 mm
Bore tolerance (0   +0.02)   mm
Mount Type Press Fit
Includes 1*M4 Set Screw
Inside Width 10mm
Outside Width 7mm
Overall Width 17mm
Number of Flanges 2 pcs
Fabrication CNC lathe, gear hobbing, assembly
Pulleys Material Aluminum
The flange diameter 33mm
 Hub inner diameter 22mm
Metal Surface Treatment Aluminum Alloy Anodizing (Customizable in Any Color)
Flanges Thickness 1mm
Flanges Material C45 Steel galvanization
tooth height 1.10mm
Manufacturer  Sanmin Gears
EU Environmental ROSH Certification Material
Country of Origin CHINA Ningbo

The pulleys belong to the AT5 series and have a trapezoidal tooth profile. When selecting the belt width, please refer to our recommendation and choose a belt width one millimeter less than the pulley width to leave sufficient space.

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