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. 

• ID 20mm x OD 52mm x Width 15mm
• 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