www.jbj.co.uk/couplings.html #DriveLineHarmony ® SIT-LOCK 3 Internal Locking Device - Self-centring 15 Removal Gradually loosen the clamping screws. Remove the clamping screws and insert them into the special removal threads on the inner ring flange. Tighten the screws in a ‘criss-cross’ sequence until the locking device is released. Dimensions [mm] Clamping screws DIN 912 12.9 Values with tolerances for shaft h8/hub H8 d x D H H H H D Number Type 0 1 2 1 Ms [Nm] Mt [Nm] Fax [kN] Pw [N/mm²] Pn [N/mm²] 6 x 14 10 18,5 21 24 25 3 M3 2 11 4 154 65 7 x 15 12 22 25 29 27 3 M4 5 26 8 238 110 8 x 15 12 22 25 29 27 3 M4 5 30 8 209 110 9 x 16 14 23 26 30 28 4 M4 5 45 10 212 120 10 x 16 14 23 26 30 28 4 M4 5 50 10 191 120 11 x 18 14 23 26 30 32 4 M4 5 55 10 173 106 12 x 18 14 23 26 30 32 4 M4 5 60 10 159 105 13 x 23 14 23 26 30 38 4 M4 5 65 10 147 85 14 x 23 14 23 26 30 38 4 M4 5 70 10 136 85 15 x 24 16 29 36 42 45 3 M6 17 128 17 189 120 16 x 24 16 29 36 42 45 3 M6 17 136 17 177 120 17 x 26 18 31 38 44 47 4 M6 17 193 23 197 130 18 x 26 18 31 38 44 47 4 M6 17 205 23 186 130 19 x 27 18 31 38 44 49 4 M6 17 216 23 176 125 20 x 28 18 31 38 44 50 4 M6 17 227 23 168 120 22 x 32 25 38 45 51 54 4 M6 17 250 23 110 75 24 x 34 25 38 45 51 56 4 M6 17 273 23 101 70 25 x 34 25 38 45 51 56 4 M6 17 284 23 97 70 28 x 39 25 38 45 51 61 6 M6 17 478 34 129 95 30 x 41 25 38 45 51 62 6 M6 17 512 34 121 90 32 x 43 25 38 45 51 65 6 M6 17 546 34 113 85 35 x 47 32 45 52 58 69 8 M6 17 796 45 108 80 38 x 50 32 45 52 58 72 8 M6 17 864 45 99 75 40 x 53 32 45 52 58 75 8 M6 17 910 45 94 70 42 x 55 32 45 52 58 78 8 M6 17 955 45 90 70 45 x 59 45 62 70 78 86 8 M8 41 1.891 84 110 85 48 x 62 45 62 70 78 87 8 M8 41 2.017 84 103 80 50 x 65 45 62 70 78 92 8 M8 41 2.101 84 99 75 55 x 71 55 72 80 88 98 9 M8 41 2.600 95 83 65 60 x 77 55 72 80 88 104 9 M8 41 2.836 95 76 60 65 x 84 55 72 80 88 111 9 M8 41 3.073 95 70 55 70 x 90 65 86 96 106 119 9 M10 83 5.254 150 88 70 75 x 95 65 86 96 106 126 9 M10 83 5.630 150 82 65 80 x 100 65 86 96 106 131 12 M10 83 8.006 200 102 80 85 x 106 65 86 96 106 137 12 M10 83 8.507 200 96 80 90 x 112 65 86 96 106 144 12 M10 83 9.007 200 91 75 95 x 120 65 86 96 106 149 14 M10 83 11.092 234 100 80 100 x 125 65 86 96 106 154 18 M10 83 15.012 300 123 100 110 x 140 90 114 128 140 180 12 M12 145 16.029 291 78 60 120 x 155 90 114 128 140 198 12 M12 145 17.486 291 72 55 130 x 165 90 114 128 140 208 16 M12 145 25.257 389 88 70 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 3 internal locking device - self-centring
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