www.jbj.co.uk/couplings.html #DriveLineHarmony ® SIT-LOCK 5B Internal Locking Device - Self-centring 23 Reusing the locking device When reusing the locking device, check all the surfaces are clean and show no obvious signs of deformation or seizing. Clean and oil all surfaces and threads. Check the screws have not been deformed. Oil the screws and assemble the locking device as originally supplied. ® SIT-LOCK 5B stop ring The stop ring, which prevents the hub from moving, is also available in different widths or integrated with the inner ring flange. The locking device is guaranteed to function in either case. 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 5B internal locking device - self-centring Dimensions [mm] Clamping screws DIN 912 12.9 Values with tolerances for shaft h8/hub H8 d x D H H H H E Number Type 1 t 2 Ms [Nm] Mt [Nm] Fax [kN] Pw [N/mm²] Pn [N/mm²] 18 x 47 48 42 29 26 53 6 M6 17 307 34 193 75 19 x 47 48 42 29 26 53 6 M6 17 324 34 183 75 20 x 47 48 42 29 26 53 6 M6 17 341 34 174 75 22 x 47 48 42 29 26 53 6 M6 17 375 34 158 75 24 x 50 48 42 29 26 56 6 M6 17 409 34 145 70 25 x 50 48 42 29 26 56 6 M6 17 426 34 139 70 28 x 55 48 42 29 26 61 6 M6 17 478 34 124 65 30 x 55 48 42 29 26 61 6 M6 17 512 34 116 65 32 x 60 48 42 29 26 66 9 M6 17 819 51 163 87 35 x 60 48 42 29 26 66 9 M6 17 895 51 149 85 38 x 65 48 42 29 26 71 9 M6 17 972 51 137 80 40 x 65 48 42 29 26 71 9 M6 17 1.023 51 131 80 42 x 75 59 51 34 30 81 6 M8 41 1.324 63 133 75 45 x 75 59 51 34 30 81 6 M8 41 1.418 63 124 75 48 x 80 59 51 34 30 86 6 M8 41 1.513 63 116 70 50 x 80 59 51 34 30 86 6 M8 41 1.576 63 111 70 55 x 85 59 51 34 30 91 9 M8 41 2.600 95 152 100 60 x 90 59 51 34 30 96 9 M8 41 2.836 95 139 95 65 x 95 59 51 34 30 102 9 M8 41 3.073 95 129 90 70 x 110 66 56 45 40 117 7 M10 83 4.087 117 111 70 75 x 115 66 56 45 40 122 7 M10 83 4.379 117 103 65 80 x 120 66 56 45 40 127 7 M10 83 4.670 117 97 65 85 x 125 66 56 45 40 132 8 M10 83 5.671 133 104 70 90 x 130 66 56 45 40 137 8 M10 83 6.005 133 98 70 95 x 135 66 56 45 40 142 10 M10 83 7.923 167 116 80 100 x 145 77 65 52 46 153 7 M12 145 8.500 170 98 70 110 x 155 77 65 52 46 163 8 M12 145 1.0990 200 105 75 120 x 165 77 65 52 46 173 10 M12 145 14.984 250 120 85 130 x 180 77 65 52 46 188 12 M12 145 19.479 300 135 95 140 x 190 88 74 59 51 199 10 M14 230 23.986 343 127 95 150 x 200 88 74 59 51 209 12 M14 230 30.840 411 143 105 160 x 210 88 74 59 51 219 12 M14 230 32.896 441 134 100 170 x 225 88 74 59 51 234 14 M14 230 40.777 480 147 110 180 x 235 88 74 59 51 244 14 M14 230 43.175 480 139 105 190 x 250 88 74 59 51 234 15 M14 230 48.829 514 141 105 200 x 260 88 74 59 51 244 15 M14 230 51.399 514 134 105
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