Ball Bearings 8x19x6 10 Bearings Pack of 10 698ZZ Bearings, Wheel Ball Bearings 698ZZ for many applications, 698ZZ is a popular size that could be used in many applications that uses this size 8mm x 19mm x 6mm. 698ZZ Bearings are made of Chrome Steel, each 698ZZ bearing has 2 metal shields to protect the bearing from dust or any possible contamination, 698ZZ bearings are pre-lubricated with grease.