Download Shaft And Hub Keyway And Key Sizes
Download Shaft And Hub Keyway And Key Sizes
Download Shaft And Hub Keyway And Key Sizes
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3Figure 1 - <strong><strong>Key</strong>way</strong> and <strong>Key</strong> Size Dimension ReferenceSpecifying English <strong><strong>Key</strong>way</strong>sIn the English system, it is standard practice to dimension keyways. The hub keyway isdimensioned by its width and depth on the shaft – keyway sides. Referencing Figure 1, thekeyway dimension is W x T 1 .Unless otherwise specified, the shaft keyway is assumed to be standard. A list of standardkeyway and corresponding key sizes for English shafts are listed below in Table 1. The commonspecification dimension, <strong><strong>Key</strong>way</strong> Size, is highlighted.English Standard <strong><strong>Key</strong>way</strong> and <strong>Key</strong> <strong>Sizes</strong><strong>Shaft</strong> Diameter (in) <strong><strong>Key</strong>way</strong> (in)* <strong>Key</strong> (in)From To Width(W)Depth(T 1 )Width(W)Depth(T)5/16 7/16 3/32 3/64 3/32 3/321/2 9/16 1/8 1/16 1/8 1/85/8 7/8 3/16 3/32 3/16 3/1615/16 1 1/4 1/4 1/8 1/4 1/41 5/16 1 3/8 5/16 5/32 5/16 5/161 7/16 1 3/4 3/8 3/16 3/8 3/81 13/16 2 1/4 1/2 1/4 1/2 1/22 5/16 2 3/4 5/8 5/16 5/8 5/82 13/16 3 1/4 3/4 3/8 3/4 3/43 5/16 3 3/4 7/8 7/16 7/8 7/83 13/16 4 1/2 1 1/2 1 14 9/16 5 1/2 1 1/4 5/8 1 1/4 1 1/45 9/16 6 1/2 1 1/2 3/4 1 1/2 1 1/26 9/16 7 1/2 1 3/4 3/4 1 3/4 1 1/27 9/16 9 2 3/4 2 1 1/2* Common dimension specificationTable 1 - Standard English <strong><strong>Key</strong>way</strong> and <strong>Key</strong> Dimensions