Coupling and Drive Systems
Welling and Crossley coupling and drive systems include various size options to suit engines and pumps. Flywheels, drive shafts, and disk hubs are available both separately or as part of a Uni kit.
Shafts
Scroll down the page to view product specifications.
| Hub No. | 1 | 2 | 3 | 4 | 5 |
| Shaft Diameter | 24 mm | 32 mm | 42 mm | 48 mm | 60 mm |
| Key Detail | 8mm | 10mm | 12mm | 14 mm | 18mm |
FLYWHEEL
| SAE # | 6.5 | 7.5 | 8 | 10 | 11.5 | 14 |
| Diameter (approx.) | 215.77 mm | 241.2 mm | NA | 314.3 mm | 352.3 mm | 466.7 mm |
Alignment technical info available upon request, Must be out of alignment by 3 mm. Combined vertical and horizontal miss alignment must not exceed 20 mm.
UNIVERSAL SHAFT
| Part No. | Description |
| 1410 DRIVE SHAFT | Universal drive shaft (L = 372 approx.) Max. 150 kW @ 3000 rpm (less at slower speeds) |
| 1550 Drive Shaft | Universal drive shaft (L = 350 approx.) Max. 340 kW @ 2100 rpm (less at slower speeds) |
| HUB 1410 # 1 | Hub connects to pump shaft # 1 (24 mm) |
| HUB 1410 #2 | Hub connects to pump shaft #2 (32 mm) |
| HUB 1410 #3 | Hub connects to pump shaft #3 (42 mm) |
| HUB 1410 # BLANK | Hub connects to pump shaft. Pilot bored (boring and keying not available from W&C) |
| HUB 1550 #2 | Hub connects to pump shaft #2 (32 mm) |
| HUB 1550 #3 | Hub connects to pump shaft #3 (42 mm) |
| HUB 1550 #4 | Hub connects to pump shaft #4 (48 mm) |
| HUB 1550 #5 | Hub connects to pump shaft #5 (60 mm) |
| HUB 1550 # BLANK | Hub connects to pump shaft. Pilot bored (boring and keying not available from W&C) |
| DISK 1410 – 6.5 | 6.5 SAE disk connects to engine flywheel and 1410 drive shaft |
| DISK 1410 – 7.5 | 7.5 SAE disk connects to engine flywheel and 1410 drive shaft |
| DISK 1410 11.5 | 11.5 SAE disk connects to engine flywheel and 1410 drive shaft |
| DISK 1550 – 11.5 | 11.5 SAE disk connects to engine flywheel and 1550 drive shaft |
| DISK 1550 – 14 | 14 SAE Disk connects to engine flywheel and 1550 drive shaft |
