8 in. Aluminum Omni Wheel with 1/2 in. Bearing
  These wheels combine the best features of the AndyMark Trick Wheels with the AndyMark plastic omni wheels. They are light and durable. They will bend under a severe impact, but can be easily repaired.  
Included Hardware:  Two - 8 in. Outer Aluminum Onmi Rings  	One - 8 in. Inner Aluminum Omni Plate  	Eighteen - Black SBR Rollers  	Eighteen - Steel Dowel Pins  	Thirty-Six - Brass Omni-roller Sleeves  	Eighteen - Individual #10-32x3/8 in. Button Head Phillips Screws  	One - 1/2 in. FR8ZZ Bearing  Usage:
  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 (one one side). The ball bearing must have a 1.125 in. od. For a 1/2" id, use am-0030. For a 3/8 in. id, use am-0573. The sprocket needs to be spaced out in order for the chain to miss the side of the wheels, so use Hardware Kit 1, which includes the spacers, screws, and nuts for this.  With Bearing :  The ball bearing must have a 1.125 in. od. For a 1/2 in. id, use am-0030. For a 3/8 in. id, use am-0573.  Made in the USA:
    	Bearings and screws were not made in the USA. All other components were designed, manufactured and assembled in the United States of America.
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