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4" Standard Mecanum, Single Wheel (am-2538)

 
Price: $23.00

Stock Status: In Stock
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Product Overview:
This is a single AndyMark Mecanum-style wheel, 4" in diameter, sold in an unassembled kit. The left and right-handed wheels use the same parts, and simply need to be assembled in different fashions in order to be made into the correct left and right wheels. This wheel is perfect for your FTC robot. If you're looking for an FRC drive train mecanum solution in a 4" form factor, check out the 4" HD Mecanum Left (am-3026L) and Right (am-3026R) Wheels.

A set of four wheels is available as a kit found here, am-2626(Wheel Set).
Replacement rollers can be found here:


Specifications:
  • Diameter: 4 inch (100mm)
  • Width across middle: 1.125 inch (28.6 mm)
  • Width at rollers: 2.0 inch (50 mm)
  • Bore: 0.315 inch (8 mm)
  • Bolt Pattern - Inner: 0.138 inch (3.5 mm) diameter holes on 0.630 inch (16 mm) bolt circle
  • Bolt Pattern - outer: 0.200 inch (5.1 mm) diameter holes on 1.875 inch (47.6 mm) bolt circle
  • Body Material: 50/50 ABS & PC
  • Load Capacity: 17 pounds (7.7 kg) per wheel or 50 pounds (31.6 kg) per set of 4
  • Forward / reverse coefficient of friction: 0.51 on FTC Soft-tile
  • Sideways coefficient of friction: 0.67 on FTC Soft-tile
  • Weight: 0.35 pounds per wheel (0.16 kg)
  • Number of rollers: 6, with each being 2 independent rollers
  • Roller material, outside: TPU polyurethane
  • Roller durometer: 77A
  • Roller axle material: Nylon
Included Hardware:
  • Two - Mecanum Body Halves
  • Twelve - Individual 4-40 x 1/2" PPHS
  • Twelve - Individual Rollers
  • Twelve - Individual Washers
  • Six - Wheel Spindle
  • Six - Individual 4-40 x 1" STS
Usage:
This wheel is designed to directly mount to a Tetrix Wheel Hub.

To use with Axle and Hub:
  • If you wish to drive this wheel with an Axle and Hub, you can pick your hub by fitting any of the AndyMark hubs (except the Small DD Globe Hub) to this wheel. Hubs are NOT included in the price of the wheel. If this is your choice, then no bearing is needed. To install a hub onto a 6" Mecanum Wheel, use Hardware Kit 2.

Average Customer Review: 5 of 5 Total Reviews: 4 Write your own review!

  0 of 0 people found the following review helpful:
 
April 25, 2017
Reviewer: Jess Jankowitsch from Round Rock, TX United States  


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  0 of 0 people found the following review helpful:
 
January 5, 2017
Reviewer: University of the Incarnate Word from San Antonio, TX United States  


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  0 of 0 people found the following review helpful:
 
Just in time - because we should have had a spare! May 5, 2015
Reviewer: Henry Bass from Christiansburg, VA United States  
We used these wheels on our FTC robot in the 2014-2015 Cascade Effect challenge. They were great the whole season, but the weekend before the World Championship, one spike broke.  We ordered online, and AndyMark met us at the tournament with spare wheels! Great customer service, and a great wheel. Thank you!

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  0 of 0 people found the following review helpful:
 
I wish these were sturdier April 6, 2015
Reviewer: Michael Anderson from Herndon, VA United States  
These mecanum wheels are made from plastic.  So, they are easily broken.  They fit the AM hubs without a problem and once they're on, they work fine.  It's just that the rollers are really hanging out there and they're easy to snap off.  Fortunately, AM has replacement parts (except for the hubs)  But, I'd really like to see some 4" aluminium wheels that fit the AM hubs.

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