| S689ZZ ABEC-7 Ceramic Stainless Steel Ball Bearing with Si3N4 Ceramic Balls (Silicon Nitride) 9mm x 17mm x 5mm S689ZZ Stainless Steel Ball Bearings with Ceramic Balls ABEC-7 quality, this is a popular size that could be used in many applications that uses this size 9mm x 17mm x 5mm. Bearing is made of Stainless Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings with ABEC-7 quality. |











