Yuasa Model 550-007 - 8" Rotary Indexer for Precision Machining

The Yuasa Model 550-007 Super Spacer is a heavy-duty 8-inch rotary indexer designed for precise machining operations. Equipped with an 8-inch 3-jaw chuck, it supports index divisions of 2, 3, 4, 6, 8, and 12, featuring an indexing accuracy of 25 seconds. Key physical dimensions include a 5.87-inch center height, 5.87-inch base length, 10.16-inch base width, overall height of 10.12 inches, and a 2.48-inch hole diameter. Built for high precision, it offers a base-to-chuck squareness of 90° / 0.0008 inches, chuck concentricity of 0.0005 inches, mounting flange concentricity of 0.0008 inches, and face parallelism of 0.0006 inches. The unit comes complete with a chuck key and has pallet shipping dimensions of 34 x 32 x 16 inches with a total weight of 150 lbs.