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LF Series Flange Hub with Keyway - Inch (Imperial) Bores Timken 68514476429
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LF Series Flange Hub with Keyway - Inch (Imperial) Bores Timken 68514476429
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- The LF Series coupling is designed with a unique and highly versatile elastomeric element. These can be easily integrated into a variety of coupling configurations to meet several application needs. LF Style elements are available in a variety of materials to match the necessary coupling dampening characteristics for tuning the systems critical speed away from the application operating speed.
The element can be connected axially to a flywheel adapter plate or flanged hub and radially to a cylindrical center hub using the appropriate bolts. Axial bolt styles include either socket head bolts with a special dry adhesive, or S-Style bolts, which are similar to dowel pins (seen picture below). The radial bolts are used to connect the element to the cylindrical hub. This unique design is remarkably simple, highly effective and gives the LF torsional coupling unmatched performance capabilities. The coupling selection should be verified with a Torsional Vibration Analysis (TVA) of the system.
Specifications
| Description | LF4-HUB FLNG-3/4-1/4X1/8 KW |
| Type | Torsional |
| Coupling Size | LF4 |
| Weight | 2.80 lb |
| Style | Flange |
| Color | Metallic |
| Bore Type | Finished Bore |
Dimensional Data
| Bore Size | 3/4 in |
| Thread (Dimension T) | M10 |
| Keyway Size (W x D) | 1/4 x 1/8 in |
| Hub Diameter | 1.770 in |
| Length thru Bore | 1.180 in |
| Min. Bore (Dimensions ID1/ID2) | 0.630 in |
| Max. Bore (Dimensions ID1/ID2) | 1.75 in |
| Dimension FD | 2.560 in |
| Dimension FOD | 3.940 in |
| Cubic inches | 18.31785 in³ |
Performance Data
| Temperature | -40 to 194 ºF |
| Operating Temperature Range | -40 to 194 ºF |
| Nominal Torque | 440.00 in·lb |
| Max. Torque | 1100.00 in·lb |
| Allowable Continuous Vibratory Torque | 180.00 in·lb |
| Max. Speed | 7000.00 rpm |
| Max. Angular Misalignment | 3.00 º |
| Max. Parallel Misalignment | 0.060 in |
| Wind-Up Angle at Nominal Torque | 5.00 º |
| Wind-Up Angle at Max. Torque | 12.00 º |
| Dynamic Torsional Stiffness | 7500.00 in·lb/rad |
| Static Angular Stiffness | 21.30 in·lb/deg |
| Static Axial Stiffness | 430.00 lb/in |
| Static Radial Stiffness | 2860.00 lb/in |
| Shore Hardness | 60A |
Torsional Element Specifications
| Torsional Element Specifications | There are two different rubber element materials available, High Temperature Rubber (HTR) and Neoprene (CR). Both elements are torsionally soft and are placed into compression during assembly. Rubber under compression can carry up to 5 times the amount of torque as non-compressed elements. The elements effectively accommodate shock, misalignment, and vibration plus minimize harmful radial and axial forces on the connected equipment. Neoprene (CR) is used in environments that are hostile to High Temperature Rubber (HTR). |
Features
| Features | Wide range of standard designs and materials |
Notes
| Notes | For Hytrel, dynamic torsional stiffness values are non-linear with respect to torque. Value given is for 100% of nominal torque. |
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