Bore Size Max4.25Bore TypeRough BoreComponent TypeMedium Slide Flex HubConfigurationFull FlexCoupling Size4Coupling TypeGear CouplingHeight (in)7.40Hub Diameter (in)5.75Length (in)8.80Length Through Bore (in)5.1875Length Through Bore (mm)131.7625Lube/Non-LubeLubricatedMaterialCarbon steelMax Bore w/standard key for Flex Hub4.25Measurement SystemImperialModelFASTSOD12.5Size Code4Sleeve Outside Diameter (in)12.5Speed Max (rpm)5260Tooth ProfileStraightTorque Rating (in-lb)236000Width8.60
| Bore Size Max | 4.25 |
| Bore Type | Rough Bore |
| Component Type | Medium Slide Flex Hub |
| Configuration | Full Flex |
| Coupling Size | 4 |
| Coupling Type | Gear Coupling |
| Height (in) | 7.40 |
| Hub Diameter (in) | 5.75 |
| Length (in) | 8.80 |
| Length Through Bore (in) | 5.1875 |
| Length Through Bore (mm) | 131.7625 |
| Lube/Non-Lube | Lubricated |
| Material | Carbon steel |
| Max Bore w/standard key for Flex Hub | 4.25 |
| Measurement System | Imperial |
| Model | FASTS |
| OD | 12.5 |
| Size Code | 4 |
| Sleeve Outside Diameter (in) | 12.5 |
| Speed Max (rpm) | 5260 |
| Tooth Profile | Straight |
| Torque Rating (in-lb) | 236000 |
| Width | 8.60 |