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F Type Rigid Hubs, Solid & Rough Stock Bore - Exposed and Shrouded Bolt Designs
For use with FFR (Flex-Rigid) or FRR (Rigid-Rigid) couplings.
The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).
The FRR Type coupling consists of two rigid hubs and one accessory kit. Exposed bolts (E) are also the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FRR Type coupling does not accommodate for any angular misalignment.
For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.
Specifications
| Description | F 3.5E HUB RGD W/CENTER |
|---|---|
| Hub Style | Exposed Bolt |
| Nominal Torque | 151200 in·lb17100 N·m |
| Type | Gear Coupling Hubs |
| Hub Material | AISI 1045 |
| Style | Unbored |
| Color | Metallic |
| Bore Type | Rigid w/ Center |
| Coupling Type | Gear |
| Weight | 65.00 lb |
Dimensional Data
| Size | 3 1/2 |
|---|---|
| Set Screw Style Coupling Size (Dimension T) | No Setscrew |
| Length thru Bore | 3.970 in |
| Depth | 3.970 in100.84 mm |
| Max. Bore (Dimensions ID1/ID2) | 5.625 in150 mm |
| Dimension FD | 11.00 in279.40 mm |
| Dimension HD | 7.91 in200.91 mm |
| Cubic inches | 480.37000 in³ |
Performance Data
| Max Speed (Unbalanced) | 3500 rpm |
|---|---|
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