R3ZZE Shielded Nachi Japan Bearing 3/16x1/2x0.196R3ZZE Nachi Shielded Radial Ball Bearing 3 16" x 1 2" x 0. 156" inch Made in Japan R3ZZE Nachi Shielded Ball Bearing, inner diameter is 3 16", outer diameter is 1 2" and width is 0. 156", Made in Japan Item: R3ZZE Nachi Ball Bearing Type: Nachi Deep groove Ball Bearing Closures: 2 metal Shields Dimensions: 3 16" x 1 2" x 0. 156" inch ID (inner diameter) Bore: 3 16" inch OD (outer diameter): 1 2" inch Width Height thickness: 0. 156" inch Quantity: One