Snake Spring Coupling Housing is suitable for coaxial axis drive shaft system, with certain compensation performance of angular, radial and axial offset between two shafts, operating ambient temperature -30 ~ 150C, transmission torque 45-800000N â?¢ m. The Basic Parameters And Main Dimensions Of The Snake - Shaped Yellow Coupling mm Model Nominal Torque Tn N m Allowable speed  [n] r/min Shaft hole diameter  d mm Shaft hole length L mm Overall length Lo mm L, mm D mm Clearance  C mm inertia moment  I kg. m2 Weight kg JSA1 45 18 28 47 97 66 95 0. 0014 1.91 JSA2 140 4500 22 35 68 105 0. 0022 2. 59 JSA3 224 25 42 50 103 70 115 0. 0033 3. 36 JSA4 400 32 50 60 123 80 130 3 0. 0073 5. 45 JSA5 630 4350 40 56 63 129 92 150 0.0119 7. 26 JSA6 900 4125 48 65 76 155 95 160 0. 0185 10. 44 JSA7 1800 55 80 89 181 116 190 0. 0451 17. 70 JSA8 3150 OvvU 65 95 98 199 122 210 0. 0787 25. 42 JSA9 5600 2000 75 110 120 245 155 250 0. 1780 42. 22 JSA10 8000 2250 80 120 127 259 162 270 0. 2700 54. 45 JSA11 12500 2025 90 140 149 304 192 310 0.5140 81.27 JSA12 18000 1800 110 170 162 330 195 346 0. 9890 121.00 JSA13 25000 1650 120 200 184 374 201 384 1. 8500 178. 00 JSA14 35500 1500 140 200 184 374 271 450 3. 4900 234 JSA15 50000 1350 160 240 198 402 279 500 6 5. 8200 317 JSA16 63000 1225 180 280 216 438 304 566 10. 4000 448 JSA17 90000 1100 200 300 239 484 322 630 18. 3000 620 JSA18 125000 1050 240 320 260 526