Special Features:

Steel, manganese-phosphate coated; hardness-rockwell c25-c30; stepped cylinder; 3.120 in. Major dia; 2.370 in. Minor dia; 3 locking lugs 0.375 in. Thk x 0.695 ht through 60 degrees of arc equally spaced on minor dia; 2 locking keyways 180 degrees apart on major dia; each keyway smaller radius 0.625 in. X 0.200 in. Lg; larger radius 0.750 in. X 0.200 in. Lg; 1st keyway 60 degrees clockwise from top marking on base; 1.250 in. Bore dia; 4.450 in. O/a lg; major 1.895 in. Lg; minor 2.525 in. Lg; minor diameter chamfered 0.625 in. Lg x 30 deg

Properties:

An item fabricated from a single, internally cored casting, or composed of two or more separate castings, and designed to position and protect bearings, shafts, gears, and/or other components required for a mechanical drive. Includes items having access hole(s) to facilitate machining and assembling of components. It may include the access hole cover plate(s).