ST Cardan Shaft
Welded Rigid Shaft – Type B Series
The Heavy & Medium Duty Type B Series adopts a welded rigid design to ensure direct and efficient power transfer. It is built for heavy industrial drives such as compressors, pumps, and mechanical presses, where continuous reliability is critical.
This series offers multiple models with the following specifications:
● Nominal torque: 21–1,250 kN·m
● Flanged diameter: 160–620 mm
● Length range: 480–1,520 mm (custom lengths available)
Below are the technical drawings and detailed product parameters for the Type B Series.
Design and Data Sheet – Heavy & Medium Duty Type B Series:
| Model | SWC-MH-160 | SWC-MH-180 | SWC-MH-200 | SWC-MH-225 | SWC-MH-250 | SWC-MH-285 | SWC-MH-315 | SWC-MH-350 | SWC-MH-390 | SWC-MH-440 | SWC-MH-490 | SWC-MH-550 | SWC-MH-620 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 480 | 530 | 590 | 640 | 730 | 840 | 930 | 1000 | 1010 | 1130 | 1240 | 1400 | 1520 |
| m(kg) | 44 | 60 | 85 | 110 | 160 | 226 | 320 | 440 | 590 | 820 | 1090 | 1560 | 2100 |
| Tn(kN.m) | 21 | 28 | 40 | 56 | 80 | 120 | 160 | 225 | 320 | 500 | 700 | 1000 | 1250 |
| Tf(kN.m) | 10.5 | 14 | 20 | 28 | 40 | 58 | 80 | 110 | 160 | 250 | 350 | 500 | 625 |
| β (°) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| D | 160 | 180 | 200 | 225 | 250 | 285 | 315 | 350 | 390 | 440 | 490 | 550 | 620 |
| Df | 160 | 180 | 200 | 225 | 250 | 285 | 315 | 350 | 390 | 440 | 490 | 550 | 620 |
| D1 | 137 | 155 | 170 | 196 | 218 | 245 | 280 | 310 | 345 | 390 | 435 | 492 | 555 |
| D2(H9) | 100 | 105 | 120 | 135 | 150 | 170 | 185 | 210 | 235 | 255 | 275 | 320 | 380 |
| D3* θ | 110 | 121 | 140 | 152 | 168 | 194 | 219 | 245 | 273 | 299 | 325 | 402 | 426 |
| Lm | 95 | 105 | 110 | 125 | 140 | 160 | 180 | 195 | 215 | 260 | 270 | 305 | 340 |
| k | 16 | 17 | 18 | 20 | 25 | 27 | 32 | 35 | 40 | 42 | 47 | 50 | 55 |
| t | 4 | 5 | 5 | 5 | 6 | 7 | 8 | 8 | 8 | 10 | 12 | 12 | 12 |
| n | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 16 | 16 | 16 | 16 |
| d | 15 | 17 | 17 | 17 | 19 | 21 | 23 | 23 | 25 | 28 | 31 | 31 | 38 |
| b | 20 | 24 | 32 | 32 | 40 | 40 | 40 | 50 | 70 | 80 | 90 | 100 | 100 |
| g | 6.0 | 7.0 | 9.0 | 9.0 | 12.5 | 12.5 | 15.0 | 16.0 | 18.0 | 20 | 22.5 | 22.5 | 25 |
| ML(kg) | 2.57 | 3 | 3.85 | 3.85 | 5.17 | 6.75 | 8.25 | 10.6 | 13 | 18.5 | 23.75 | 29.12 | 38.08 |
| Flange Bolt | |||||||||||||
| Size | M14 | M16 | M16 | M16 | M18 | M20 | M22 | M22 | M24 | M27 | M30 | M30 | M36 |
| Tightening torque (N.m) | 180 | 270 | 270 | 270 | 372 | 526 | 710 | 710 | 906 | 1340 | 1820 | 1820 | 3170 |
Key Product Features:
● Rigid welded structure – ensures efficient torque transmission without energy loss, ideal for continuous-duty setups.
● Compact length range – standard range from 480–1,520 mm, with full customization available to match your equipment layout.
● High-load endurance – handles up to 1,250 kN·m torque, making it suitable for demanding heavy-duty machinery.
● Wide flange adaptability – supports 160–620 mm flange diameter, fitting various equipment standards.
● Stable operation – reduces vibration and ensures consistent performance even under heavy shock loads.
● Custom connection options – four flange configurations available: bolt hole, face key, integral face pad, or hirth section. Companion flange adapters can also be tailored upon request.
