Steel Single Flex Set Screw Composite Disc Couplings
Part Number: 6A90
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Technical Resources
| Single Set Screw Type Steel Hubs 6a90 Configuration | |
| Bore Size D1 | |
| Bore Size D2 | |
6A90 Specifications
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| Part Number | 6A90 |
| Continuous Rated Torque: | 25,000 in-lbs |
| Continuous Rated Torque : | 2,825 Nm |
| Peak Rated Torque: | 50,000 in-lbs |
| Peak Rated Torque : | 5,650 Nm |
| Maximum Bore (Ea) A Hub: | 3.000 inches |
| Maximum Bore (Ea) A Hub : | 75 mm |
| Maximum Bore (Eb) B Hub: | 4.500 inches |
| Maximum Bore (Eb) B Hub : | 120 mm |
| Maximum Speed: | 3,600 RPM |
| Torsional Stiffness: | 160,679 In-lbs/degree |
| Torsional Stiffness : | 1,040,162 Nm/rad |
| Parallel Misalignment: | 0.030 inches |
| Parallel Misalignment : | 0.80 mm |
| Angular Misalignment: | 3 ° |
| Axial Misalignment: | 0.180 inches |
| Axial Misalignment : | 4.6 mm |
| Weight at Max Bore (A Hubs): | 49.9 lbs |
| Weight at Max Bore (A Hubs) : | 22.6 kg |
| Weight at Max Bore (B Hubs): | 62.6 lbs |
| Weight at Max Bore (B Hubs) : | 28.4 kg |
| Inertia at Max Bore (A Hubs): | 461 lb-in² |
| Inertia at Max Bore (A Hubs) : | 1,349 kg-cm² |
| Inertia at Max Bore (B Hubs): | 722 lb-in² |
| Inertia at Max Bore (B Hubs) : | 2,113 kg-cm² |
| Outside Diameter (A): | 9.00 inches |
| Outside Diameter (A) : | 229 mm |
| Overall Length (L): | 8.63 inches |
| Overall Length (L) : | 219 mm |
| Hub Length (B): | 3.75 inches |
| Hub Length (B) : | 95.3 mm |
| Distance Between Shaft Ends (C): | 1.13 Inches |
| Distance Between Shaft Ends (C) : | 28.7 mm |
| Inside Diameter of Disc-Pack (H): | 3.62 inches |
| Inside Diameter of Disc-Pack (H) : | 92 mm |
| A Hub Body Diameter (Ga): | 5.38 inches |
| A Hub Body Diameter (Ga) : | 137 mm |
| B Hub Body Diameter (Gb): | 7.50 inches |
| B Hub Body Diameter (Gb) : | 191 mm |