Single Flex Flange Hubs Power Series Composite Disc Couplings
Part Number: 8A55-FM-FM
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Technical Resources
8A55-FM-FM Specifications
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| Part Number | 8A55-FM-FM |
| Continuous Rated Torque: | 371 in-lbs |
| Continuous Rated Torque : | 42 Nm |
| Peak Rated Torque: | 742 in-lbs |
| Peak Rated Torque : | 84 Nm |
| Maximum Speed: | 20,790 RPM |
| Torsional Stiffness: | 4,066 In-lbs/degree |
| Torsional Stiffness : | 26,324 Nm/rad |
| Angular Misalignment: | 0.75° |
| Axial Misalignment: | 0.019 inch |
| Axial Misalignment : | 0.47 mm |
| Parallel Misalignment: | 0.001 inch |
| Parallel Misalignment : | 0.02 mm |
| Flange Plate OD (ØD): | 2.1654 / 2.1642 inches |
| Flange Plate OD (ØD) : | 55.000 / 54.970 mm |
| Flange Length (C): | 0.236 inch |
| Flange Length (C) : | 6 mm |
| Overall Length (OAL): | 0.79 inch |
| Overall Length (OAL) : | 20.1 mm |
| Bolt Circle Diameter (ØBC): | 1.772 inch |
| Bolt Circle Diameter (ØBC) : | 45 mm |
| # of Mtg Holes x Angle: | 4 x 90 deg |
| Flange Bolt Hole Size: | M4-0.7 |
| Flange Pilot (ØIP): | 0.9843 / 0.9853 inches |
| Flange Pilot (ØIP) : | 25.000 / 25.025 mm |
| Disc Pack ID (Di): | 0.98 inch |
| Disc Pack ID (Di) : | 24.9 mm |
| Disc Pack Thickness (DT): | 0.321 inch |
| Disc Pack Thickness (DT) : | 8.2 mm |
| Weight: | 0.41 lbs |
| Weight : | 0.19 kg |
| Inertia: | 0.31 lb-in² |
| Inertia : | 0.91 kg-cm² |