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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 spidermore
Unit of Measure

Notes

Disclaimer

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 

GS19/24B-HUB-AL-7/8-CWK

Hub Style

B

Type

Curved Jaw Coupling Hubs

Hub Material

Aluminum

Style

Bored

Color

Silver

Bore Type

Solid

Coupling Type

Jaw

Weight

0.15 lb

Dimensional Data

Bore Size 

7/8 in

Spider Size

19/24

Set Screw Style Coupling Size (Dimension T)

M6

Length thru Bore (Dimensions LTB1/LTB2)

0.980 in24.89 mm

Outside Diameter

1.57 in39.88 mm

Overall Coupling Length

2.6 in66.04 mm

Max. Bore (Dimensions ID1/ID2)

.938 in23.8 mm

Dimension CL

.08 in2.03 mm

Dimension G

0.630 in16.00 mm

Dimension HD

1.57 in39.88 mm

Clamping Bolt Style Coupling Bolt Location Size (Dimension SL1)

0.470 in

Dimension TH

.12 in3.05 mm

Clamping Bolt Style Coupling Bolt Size

M6

Cubic inches

1.36455 in³

Performance Data

Normal Temperature Range (with 92 Shore A spider)

-40 to 194 ºF

Max Temp (with 92 Shore A spider)

-50 to 248 ºF

Nominal Torque (with 92 Shore A spider)

88.00 in·lb

Max Torque (with 92 Shore A spider)

177.00 in·lb

Clamping Bolt Style Coupling Torque

92.93 in·lb

Max. Speed

9550 rpm

GS Series Hub Design Description

GS Series Hub Design Description

    Clamping Hub With Single Slot With Keyway (CWK)
  • Zero backlash, clamping style with keyway for torque transmission. Usable in applications featuring reversing loads. Available standard for sizes GS 14-19.