ID1 - ID2 Number & Flange Max Bore Size of Cap Size Number Standard L SL OD T Screws Required Weight Keyway Hub Mechanical Power Transmission S-Flex Couplings SC Type Dimensions SC Type Hub Dimensional Data Note 1 indicates: SCH = Standard length SCHS = Short length. 26 in mm in mm in mm in mm UNC quantity size lbs kg 5SC 5SCH 1.125 28.58 1.09 27.69 0.54 13.71 2.00 50.80 ⁵⁄ - 18 4 #10-1 ¹⁄ 0.8 0.363 6SC 6SCH 1.375 34.93 1.22 30.99 0.61 15.49 2.50 63.50 ⁵⁄ - 18 4 ¹⁄ - 1³⁄ 1.4 0.635 7SC 7SCH 1.625 41.28 1.47 37.34 0.71 18.03 2.81 71.37 ⁵⁄ - 18 4 ¹⁄ - 1⁷⁄ 2.0 0.907 8SCH 1.875 47.63 1.72 43.69 0.71 18.03 2.81 71.37 ³⁄ - 16 4 ⁵⁄ - 2¹⁄ 3.2 1.452 8SC 10SCH 2.375 60.33 2.34 59.44 0.63 16.00 4.38 111.25 ¹⁄ - 13 4 ⁷⁄ - 3¹⁄ 7.4 3.357 10SCHS 1.625 41.28 1.66 42.16 0.63 16.00 4.38 111.25 ¹⁄ - 13 4 ⁷⁄ - 2¹⁄ 5.5 2.495 9SCH 2.125 53.98 1.97 50.04 1.17 29.72 3.63 92.20 ³⁄ - 16 4 ³⁄ - 2³⁄ 4.2 1.905 9SCHS 1.500 38.10 1.53 38.86 0.63 16.00 3.63 92.20 ³⁄ - 16 4 ⁵⁄ - 4¹⁄ 3.7 1.678 9SC 11SCH 2.875 73.03 2.72 69.09 1.36 34.54 5.25 133.35 ¹⁄ - 13 4 ¹⁄ - 3¹⁄ 12.2 5.539 11SCHS 1.875 47.63 1.91 48.51 0.75 19.05 5.25 133.35 ¹⁄ - 13 4 ¹⁄ - 2³⁄ 9.3 4.218 10SCH 2.375 60.33 2.34 59.44 1.17 29.72 4.38 111.25 ¹⁄ - 13 4 ⁷⁄ - 3¹⁄ 7.4 3.357 10SCHS 1.625 41.28 1.66 42.16 0.63 16.00 4.38 111.25 ¹⁄ - 13 4 ⁷⁄ - 2¹⁄ 5.5 2.495 10SC 13SCH 3.375 85.78 3.34 84.84 1.65 41.91 6.13 155.70 ³⁄ - 10 4 ⁵⁄ - 4³⁄ 19.9 4.490 13SCHS 2.500 63.50 2.47 62.79 1.24 31.50 6.13 155.70 ³⁄ - 10 4 ⁵⁄ - 3¹⁄ 16.0 7.257 11SCH 2.875 73.03 2.72 69.09 1.36 34.54 5.25 133.35 ¹⁄ - 13 4 ¹⁄ - 3¹⁄ 12.2 5.534 11SC 11SCHS 1.875 22.23 1.91 48.51 0.75 19.05 5.25 133.35 ¹⁄ - 13 4 ¹⁄ - 2³⁄ 9.3 4.218 14SCH 3.875 98.43 3.84 97.54 1.92 48.77 6.50 165.10 ³⁄ - 10 4 ⁵⁄ - 5 24.2 10.977 12SCH 2.875 98.43 2.97 75.44 1.44 36.58 5.75 146.05 ⁵⁄ - 11 4 ⁵⁄ - 4 16.6 7.529 12SC 12SCHS 2.500 63.50 2.53 64.26 1.12 28.45 5.75 146.05 ⁵⁄ - 11 4 ⁵⁄ - 3¹⁄ 14.1 6.396 14SCH 3.875 98.43 3.84 97.54 1.92 48.77 6.50 165.10 ³⁄ - 10 4 ⁵⁄ - 5 24.2 10.977 13SCH 3.375 85.73 3.34 84.84 1.65 41.91 6.13 155.70 ³⁄ - 10 4 ⁵⁄ - 4³⁄ 19.9 4.491 13SC 13SCHS 2.500 63.50 2.47 62.74 1.24 31.50 6.13 155.70 ³⁄ - 10 4 ⁵⁄ - 3¹⁄ 16.0 7.257 14SC 14SCH 3.875 98.43 3.38 85.85 1.92 48.77 6.50 165.10 ³⁄ - 10 4 ⁵⁄ - 5 24.2 10.977 www.jbj.co.uk/s-flex-couplings.html #DriveLineHarmony
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