Bolt Circle9.5Bolt TypeExposed BoltBore Size Max4.13Bore TypeFinish BoreCompatible Bore Size [Min] (in)2Compatible Bore Size [Min] (mm)50.8ConfigurationFlex HalfCoupling Size3.5Coupling TypeGear CouplingFastener Quantity8Fastener Size0.75 x 3.375Hub Diameter (in)7IncludesMill motor Hub, Sleeve & FastenerLength Through Bore (in)4.19Length Through Bore (mm)106.43MaterialMedium Carbon SteelMax Bore w/standard key for Flex Hub4.13Measurement SystemImperialOD11Rating HP @ 100 RPM259.9Sleeve TypeFlangedSpeed Max (rpm)3900Tooth ProfileCrown faced, Involute ToothTorque [Max] (in-lb)327600Torque Rating (in-lb)163800
| Bolt Circle | 9.5 |
| Bolt Type | Exposed Bolt |
| Bore Size Max | 4.13 |
| Bore Type | Finish Bore |
| Compatible Bore Size [Min] (in) | 2 |
| Compatible Bore Size [Min] (mm) | 50.8 |
| Configuration | Flex Half |
| Coupling Size | 3.5 |
| Coupling Type | Gear Coupling |
| Fastener Quantity | 8 |
| Fastener Size | 0.75 x 3.375 |
| Hub Diameter (in) | 7 |
| Includes | Mill motor Hub, Sleeve & Fastener |
| Length Through Bore (in) | 4.19 |
| Length Through Bore (mm) | 106.43 |
| Material | Medium Carbon Steel |
| Max Bore w/standard key for Flex Hub | 4.13 |
| Measurement System | Imperial |
| OD | 11 |
| Rating HP @ 100 RPM | 259.9 |
| Sleeve Type | Flanged |
| Speed Max (rpm) | 3900 |
| Tooth Profile | Crown faced, Involute Tooth |
| Torque [Max] (in-lb) | 327600 |
| Torque Rating (in-lb) | 163800 |