Minimize your rolling resistance with high quality ceramic bearings.  With up to 40% less friction than steel bearings, quicker acceleration and higher speeds can be attained.  Used by Race teams worldwide, these bearings are assembled in the USA with high quality silicon nitride.  

Features:

• ID 20mm x OD 47mm x Width 14mm
• Only the highest quality components are utilized
• Assembled in the USA to maintain precision tolerances and assure quality
• Top race teams validate performance results
• Industry specialists verify on-road performance, longevity, fuel mileage
• Inner and outer races forged from Japanese 52100 chrome bearing steel
• Ultra low friction Silicon Nitride Si3N4 balls by Cerbec USA
• 1 pc high temperature / low friction polyqmide 66 ball retainer
• Mobil Polyrex EM (outstanding long-life/high temp) grease
• Low friction Nitrile rubber (NBR) seals
• Ceramic bearings offer 40% less friction than steel
• Less friction = More horsepower
• 60% less rotating weight
• Low tension, maintenance free dust seals
• Bearing life 3 to 5 times longer than steel
• Lower vibration levels
• Cooler running
• No extra maintenance required
• 2 year warranty
• Single bearing only