10-Pack Sealed Bearing R3-2RS 3/16" x 1/2" x 0.196" - Miniature BearingR3 2RS Sealed Ball Bearings 3 16" x 1 2" x 0. 196" inch Lot of 10 Bearings R3 2RS Sealed Ball Bearings, the R3 2RS inner diameter is 3 16" inch, R3 2RS outer diameter is 1 2"inch and the R3 2RS width inch is 0. 196" inch,R3 2RS is commonly used in industrial, commercial, and mechanical systems, each R3 2RS bearing are rubber sealed from both sides to protect the bearing from dust or any possible contamination, R3 2RS bearings are pre lubricated with