S699 Ceramic Bearing Si3N4 Stainless Steel ABEC-7S699 Open Ball Bearing ABEC 7 Quality with Si3N4 Ceramic Balls (Silicon Nitride) S699 Bearing Open Stainless Steel, radial and deep groove ball bearing,S699 bearing is made from stainless steel with Ceramic Balls (Si3N4) and Stainless steel cage,the quality is set to EMQ (ABEC 7 quality) to ensure high speed,inner diameter is 9mm, outer diameter is 20mm and width is 6mm. S699 Ball Bearing Deep Groove Radial Ball Bearing Closures: Open Radial
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