2008 FIRST Wheel w/ 1/2" Bearings am-0148

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2008 FIRST Wheel w/ 1/2" Bearings (am-0148)

Price: $12.50

Stock Status: In Stock

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Description

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Product Overview:
This is the 2008 FIRST Wheel, provided to FRC teams in the Kit of Parts, with two R8 ball bearings (1/2 inch bore) pressed into each wheel.

Specifications:

Diameter: 6 inches
Body Material: black polycarbonate
Tread Material: 75A durometer urethane rubber
Bore: 0.500 inch diameter bearing bore
Weight: 0.51 pounds
Bolt Pattern: six holes (0.17 inch diameter) on a 1.875 inch diameter bolt circle
Coefficient of friction: 0.9 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 sprocket, then the sprocket needs to be attached to the side of the wheel, and one ball bearing needs to be pressed into the wheel (on one side). The ball bearing must have a 1.125" od. For a 1/2" id, use am-0030. For a 3/8" id, use am-0573. Use #10-24x3/4 thread forming screws

With Bearings:

To press beaings 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-0030. For a 3/8" id, use am-0573.

Changes from 2007 FIRST Wheel

More material has been added to each of the spokes, adding significant structural support
More support for the bearing wall has been added
A harder durometer rubber makes up the treads, providing less traction compared to the 2007 wheel
Treads are a slightly darker color of gray

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