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Bore Size Bore Size and Operating Torque

Bore Size D1 D2 mm Model
Inch 0.157 0.1875 0.236 0.250 0.275 0.3125 0.354 0.375 0.375 0.433 0.500 0.563 0.563 0.625 0.708 0.750 0.813 0.875 0.938 1.00 1.10 1.188 mm 4 5 6 6.35 7 8 9 9.525 10 11 12 14 15 16 18 19 20 22 24 25 28 30 SD/SC005R â—� â—� â—� SD/SC010R â—� â—� â—� â—� â—� â—� SD/SC020R â�� â—� â—� â—� â—� â—� â—� â—� SD/SC030R â�� â�� â—� â—� â—� â—� â—� â—� â—� â—� â—� SD/SC035R â—� â—� â—� â—� â—� â—� â—� â—� â—� SD/SC040R â�� â—� â—� â—� â—� â—� â—� â—� â—� â—� â—� SD/SC050R â�� â—� â—� â—� â—� â—� â—� â—� â—� â—� â—� â—� SD/SC060R â�� â—� â—� â—� â—� â—� â—� â—� â—� â—� â—� â—� â—� :Standard Bore Size â�� :Standard Bore, See the operating torque in the table below Bore size affects and limits the operating torque of the coupling Bore Coupling Operating Torque Model Inch mm Inch Lb’s Nm SD/SC020R 0.1875 5 11 1.2 0.1875 5 25 2.8 SD/SC030R 0.236 6 30 3.4 SD/SC040R 0.3125 8 80 9 SD/SC050R 0.375 10 195 22 SD/SC060R 0.500 12 451 51

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