99R16 Sealed Ball Bearing 1" x 2" x 0.5"99R16 Sealed Ball Bearing 1" x 2" x 1 2" Inch EMQ Grade, Greased and Sealed The 99R16 is a deep groove radial ball bearing sized at 1" x 2" x 0. 500", built for smooth, high speed operation. This inch series bearing features chrome steel construction, steel cage, and double rubber seals to lock in grease and block out debris perfect for electric motors, conveyors, and machines needing long lasting, sealed performance. Size: 1" ID x 2" OD x 1 2" width