This is a 2010 FIRST Wheel, provided in the FRC Kit of Parts, with two R8 ball bearings (1/2 inch bore) pressed into each wheel.
Specifications:
- Diameter: 8 inches
- Body Material: black polycarbonate
- Tread Material: 75A durometer urethane rubber
- Weight: 0.73 pound
- Bore: 0.5 inch diameter bearing bore
- Bolt Pattern: six holes (0.17 inch diameter) on a 1.875 inch diameter bolt circle.
- Coefficient of friction: 1.0 static (on tight pile carpet)
Usage:
Use #10-24x3/4 thread forming screws to attach sprockets or hubs to this wheel. Three (3) screws are sufficient for each wheel. With Sprocket:
- If you wish to drive this wheel with a #25 series or #35 series sprocket, then the sprocket needs to be attached to the side of the wheel, and two ball bearingsneed to be pressed into the wheel (one on each side). The ball bearing must have a 1.125" od. For a 1/2" id, use am-0029. For a 3/8" id, use am-0209. Use #10-24x3/4 thread forming screws
With Bearings:
- To press bearings into this wheel (for a free spinning wheel or for use with a sprocket), two ball bearings need to be pressed into the wheel (one on each side). The ball bearing must have a 1.125" od. For a 1/2" id, use am-0029. For a 3/8" id, use am-0209.
