10 Sealed Bearing 1603-2RS 5/16x7/8x11/32 inch Miniature Bearings1603 2RS Sealed Ball Bearings 5 16" x 7 8" x 11 32" inch Lot of 10 Bearings 1603 2RS Sealed Ball Bearings, the inner diameter is 5 16", outer diameter is 7 8" and the width is 11 32", this is a popular size that could be used in many applications, Bearings are made of Chrome Steel, each bearing has Double Shielded to protect the bearing from dust or any possible contamination. Bearings are packed 10 bearings in one plastic tube. Item: 1603 2RS Ball