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GS Series Elastomeric Spiders Timken 68514467257
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Measurement and Control Systems
- The torsional stiffness of the GS Series coupling provides zero backlashes needed for the accuracy for measurement and control systems. The low torques of these applications give the GS Series the ability to provide zero backlashes due to the elastomeric pre-stress.
- The GS Series provides a zero backlash, flexible connection for servo and positioning drives. An added benefit of the GS Series is its damping capabilities.
For applications that have vibrations at critical speeds, the GS Series coupling can provide a zero backlash solution for vibration problems.
- The GS Series coupling is used in main spindle drives for machine tools. Torque spikes and cyclical loading are handled by the GS Series by damping or by shifting the vibratory frequency range to a non-critical speed range.
The GS Series spider features a straight center of the spider tooth, providing higher stiffness due to coupling prestress. The crowning of the ends of the spider legs allows for misalignment, while the curved jaws and solid spider center provide high-speed capability.The jaws of the hubs and the spider legs are chamfered to provide easy assembly. The GS Series coupling design also allows the blind assembly in tight spaces. Raised spider dots on the legs of the spider ensure proper spacing of hubs and spider.
Proper installation of the coupling can provide isolation of electrical currents. Check the CL dimension listed on this page to ensure the proper spacing between spiders and hubs.
The GS Series coupling has spiders available in four different shore hardnesses. Each spider offers benefits for different vibratory, environmental, and torque transmission requirements.
Specifications
| Description | GS38-SPIDER-98A RED-URE |
| Type | Jaw |
| Spider Type | 98 Shore A |
| Material | Urethane |
| Style | Solid Center Type |
| Color | Red |
| Weight | 0.11 lb |
| Stock Sizes | 14 - 55 |
Dimensional Data
| Spider Size | 38 |
| Spider Outside Diameter (Dimension A) | 3.150 in |
| Spider Thickness (Dimension W) | 0.710 in |
| Cubic inches | 7.04498 in³ |
Dimensional Data of Related Coupling
| Set Screw Size | 5/16-18 |
| Set Screw Style Coupling Location Size (Dimension SL) | 0.590 in |
| Length thru Bore | 1.770 in |
| Dimension HD | 3.150 in |
| Min. Bore (Dimensions ID1/ID2) | Solid |
| Max. Bore (Dimensions ID1/ID2) | 1.75 in |
| Dimension CL | 0.120 in |
| Clamping Bolt Style Coupling Bolt Location Size (Dimension SL1) | 0.790 in |
| Dimension TH | 0.160 in |
| Clamping Bolt Style Coupling Bolt Size | M8 |
Performance Data
| Temperature | -30 to 194 ºF |
| Max. Temperature Range | -40 to 248 ºF |
| Nominal Torque | 2876.00 in·lb |
| Max. Torque | 5752.00 in·lb |
| Max. Speed for Clamping Style Hub | 4750 rpm |
| Max. Speed for Set Screw Style Hub | 5950.00 rpm |
Performance Data of Related Coupling
| Max. Speed for Locking Device Style Hub | 9550.00 rpm |
| Axial Misalignment | +0.070 -0.027 in |
| Angular Misalignment | 0.90 º |
| Radial Misalignment | 0.005 in |
| Dynamic Torsional Stiffness | 190151.00 in·lb/rad |
| Static Torsional Stiffness | 63366.00 in·lb/rad |
| Radial Stiffness | 25146.0000 in·lb |
Elastomer Characteristic
| Elastomer Characteristic | Four types of spiders are available for the CJ Series of couplings |
Misalignment Information
| Misalignment Information | The GS Series coupling handles the following types of misalignment: axial, angular, and radial. The coupling retains its zero backlash properties due to its spider design. |
Typical Applications
| Typical Applications | Positioning Drivers, Main Spindle Drivers, High Load Applications |
Features
| Features | Simple 3 piece jaw design |
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