ITEM NAME:17x35x10mm 6003-2RS Replacemebt Sealed Ball Bearing B9D8 17x35x10mm 6003-2RS Replacemebt Sealed Ball Bearing B9D8 Select 2RS for a sealed bearing , has two contact rubber seals one on each side of the ball bearing. If your application requires a 6003 ball bearing with only one seal you can get this ball bearing and take one of the seals off. can take electric motor demands if needed. Used widely in industrial machine, motorcycle, automobile, power tools and mechanical equipment and other kinds of field Product Name : Sealed Ball Bearing Model : 6003-2RS Material : Metal Color : Silver Tone, Black Internal Diameter : 17mm/0.67" Outside Diameter : 35mm/1.38" Width : 10mm/0.28" Package Content : 1 x Sealed Ball Bearing Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.