608 Ceramic Skate Bearings 8 Piece 8x22x7mm Si3N4 By ACER Racing

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With ACER Racing's National and World Champion reputation in the high performance ball bearing industry we set out to engineer the best ceramic skate bearing<br>at any price.<br>First we started with our tried and tested Ceramic Nitride Pro Series<br>silicon nitride balls (Si3N4). The same super hard balls that gave us the reputation as "the hardest balls in the industry." These balls are matched for consistent concentricity per set. They are polished using diamonds for a super smooth and shiny finish. Their durability is unmatched by any other ball or material in the industry. With a melting temperature of 2552 degrees F and the best modulus of elasticity in the world, these are the best balls period.<br>We use our special synthetic and American ACER Racing SIN oil lubrication in our ceramic skate bearings<br>which has an extremely wide service temperature range of from -50 to +120 degrees Celsius with an incredible speed factor of 1 million.<br>We integrate our HSR inner ball bearing cage for durability and strength with superior heat resistance at high RPMs. This insures that your ceramic skate bearings<br>will spin faster, longer.<br>We seal our ACER SK8 ceramic skate bearings<br>with two no contact grey seals which will resist the elements while allowing simple removal for easy cleaning when necessary. Each seal is embossed with our trademark "ACER RACING CERAMIC" logo to insure that you are receiving the original ACER<br>SK8 ceramic skate ball bearings<br>.<br>ACER SK8 is an 8 pack of the world's best 608 size Ceramic Skate Bearings with an inner diameter of 8mm, outer diameter of 22mm and width of 7mm.  If you need a 7mm inner diameter Ceramic Skate Bearing please choose eBay item<br>262537533854<br>These are the best ceramic skate bearings<br>at any price. Whether used in your<br>skateboard<br>,<br>inline skates<br>,<br>longboard,<br>roller skates, fidget spinners<br>or anywhere a size 608 8x22x7mm<br>ball bearing<br>is used, rest assured you will be running the finest ball bearings in the industry.<br>These have become the #1 bearing for use in fidget spinners and will spin longer, smoother and faster than any other fidget spinner bearing.<br>For easy cleaning we sell the best Skate Bearing Cleaner it is called the Mega Bearing Blaster under eBay item 261459624839 and for lubrication we recommend our SIN oil which is 100% synthetic Made in U.S.A. super slippery bearing oil under eBay item<br>261141407146<br>FREE SHIPPING<br>