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Silicon nitride ball bearings
Many skateboarders choose silicon nitride ball bearings (inset) for smooth, low-friction wheel characteristics. Silicon nitride is a hard, tough ceramic with excellent wear resistance.
Skateboarder photo ChrisGoldNY, CC BY-NC 2.0, sourced from Flickr.
Rights: The University of Waikato Te Whare Wānanga o Waikato
Published:09 April 2010Size: 9.16 MB
