LMAO>>>>>Are you saying Bearings aren't expensive?? Roller skate Bearings the size of a nickel cost anywhere from $25-75 for a decent set of 16. Up to $300 for excellent ones! http://www.lowpriceskates.com/bearings.aspx Skateboards: $5-$110 for set of 8 Now for some airplane bearings browse the site: Check this site for an example on the price of airplane bearings! Wow...EXPENSIVE!! http://www.skygeek.com/tiwhbe.html GO TPAC