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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.
Servo and Positioning Drives
    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.
Main Spindle Drives
    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 can be used in a variety of different applications requiring precision and accuracy.

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.
Unit of Measure

Notes

Disclaimer

N/A Lovejoy: CAD Models are accurate envelope dimensions only. Features such as bore size and keyway are not rendered or are only representative. Contact Lovejoy Technical Support or refer to product catalogs for details.

Specifications

Description 

N/A GS 38/45B HUB 15MM LD

Hub Style

N/A B

Type

N/A Curved Jaw Couplings

Hub Material

N/A Aluminum

Style

N/A Bored

Color

N/A Silver

Weight

N/A 1.3 lb

Dimensional Data

Spider Size

N/A 38/45B

Set Screw Style Coupling Size (Dimension T)

N/A No Setscrew

Outside Diameter

N/A 1.77 in44.96 mm

Overall Coupling Length

N/A 4.490 in114.05 mm

Max. Bore (Dimensions ID1/ID2)

N/A 45 mm

Dimension HD

N/A 1.770 in44.96 mm

Cubic inches

N/A 14.06672 in³

Bore Depth

N/A 1.770 in44.96 mm

Performance Data

Normal Temperature Range (with 92 Shore A spider)

N/A -40 to 194 ºF

Max Temperature (with 92 Shore A spider)

N/A -50 to 248 ºF

Nominal Torque (with 92 Shore A spider)

N/A 190 N·m1680 in·lb

Max Torque (with 92 Shore A spider)

N/A 3360 in·lb

Max. Speed

N/A 9550 rpm
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