Pack of 10 R8ZZ Bearing 0.500 x 1.125x 0.313inch10pcs. R8ZZ Bearing 0. 500" x 1. 125"x 0. 313" inch 1 2" x 1 1 8" x 5 16" inch Pack of 10 Bearings R8ZZ Shielded Ball Bearing, this is a popular size that could be used in many applications, the inner diameter is 1 2" inch, outer diameter is 1 1 8" inch and the width is 5 16" inch, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearing is pre lubricated with grease. Item: 10pcs. R8ZZ Bearing Type: