www.jbj.co.uk/couplings.html #DriveLineHarmony M Screw tightening torque Nm s M Transmissible torque Nm t F Transmissible axial force kN ax P Pressure on shaft N/mm² w P Pressure on hub N/mm² n IMPORTANT: The screw tightening torque M can be reduced by 40% of the value indicated in the table. s M , F , P , P decrease proportionally. t ax w n For further information and larger diameters or dimensions different to those in the table, please contact the jbj Techniques Limited technical office, telephone: +44 (0)1737 767493 or email: info@jbj.co.uk ® SIT-LOCK 10 Rigid Joint 49 Dimensions [mm] Clamping screws DIN 912 12 9 Values with tolerances for shaft h8/hub H8 d x D H H t Number Type Ms [Nm] Mt [Nm] Fax [kN] 17 x 50 56 50 4 M6 17 196 23 18 x 50 56 50 4 M6 17 207 23 19 x 50 56 50 4 M6 17 219 23 20 x 50 56 50 4 M6 17 231 23 22 x 55 66 60 6 M6 17 380 35 24 x 55 66 60 6 M6 17 415 35 25 x 55 66 60 6 M6 17 432 35 28 x 60 66 60 6 M6 17 484 35 30 x 60 66 60 6 M6 17 519 35 32 x 63 66 60 6 M6 17 553 35 35 x 75 83 75 4 M8 41 764 44 38 x 75 83 75 4 M8 41 829 44 40 x 75 83 75 4 M8 41 873 44 42 x 78 83 75 4 M8 41 916 44 45 x 85 93 85 6 M8 41 1.473 65 48 x 90 93 85 6 M8 41 1.571 65 50 x 90 93 85 6 M8 41 1.636 65 55 x 94 93 85 8 M8 41 2.400 87 60 x 100 93 85 8 M8 41 2.618 87 65 x 105 93 85 8 M8 41 2.836 87 70 x 115 110 100 6 M10 83 3.551 101 75 x 120 110 100 6 M10 83 3.805 101 80 x 125 110 100 8 M10 83 5.411 135 ® SIT-LOCK 9 internal locking device - self-centring For quantities that do not justify mass production, we recommend making a split bushing to achieve the purpose of a serial joint. Recommended split bushing tolerances: inner diameter E7 - outer diameter e7
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