Enduro Bearings 6803 LLB, ABEC 3, 17x26x5 mm
Grade 10 Chromium Steel Balls: High precisionballs are within 10/1,000,000 round, twice asround as the industry standard, at itÆs highestlevel. 52100 High Carbon Chromium Alloy Races:Vacuum de-gassed process for the purest chromiumalloy steel, hardened to R-62, extremely toughand very durable. Polished to a mirror finishfor ABEC-3 precision and noiseless movement.Riveted Steel Retainer for toughness, ABEC-3tolerances and noise tested, C-3 or C-N InternalClearance