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GS Series Aluminum Hubs - Inch (Imperial) Bores
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INDUSTRIAL MOTION PRODUCTS
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Couplings & Power Transmission Parts Catalog
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Curved Jaw Couplings
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GS Series (Backlash Free Curved Jaw) Components
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GS Series Aluminum Hubs - Inch (Imperial) Bores
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Part Number 68514476539
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Part Number 68514476539, Curved Jaw Clamping Hub w/ Double Slot w/o Keyway
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.
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Unit of Measure:
Imperial
Metric
Both
Notes
·
Specifications
·
Dimensional Data
·
Performance Data
·
GS Series Hub Design Description
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
GS38/45B-HUB-AL-1-1/2-DSC
Hub Style
B
Type
Curved Jaw Coupling Hubs
Hub Material
Aluminum
Style
Bored
Color
Silver
Bore Type
Solid
Coupling Type
Jaw
Weight
1.3
lb
Dimensional Data
Bore Size
1 1/2
in
Spider Size
38/45
Set Screw Style Coupling Size (Dimension T)
M8
Length thru Bore (Dimensions LTB1/LTB2)
1.770
in
44.96
mm
Outside Diameter
3.150
in
80.00
mm
Overall Coupling Length
4.490
in
114.05
mm
Max. Bore (Dimensions ID1/ID2)
1.75
in
44
mm
Dimension CL
0.120
in
3.05
mm
Dimension G
0.940
in
23.88
mm
Dimension HD
3.15
in
80.01
mm
Clamping Bolt Style Coupling Bolt Location Size (Dimension SL1)
0.790
in
Dimension TH
0.160
in
4.06
mm
Clamping Bolt Style Coupling Bolt Size
M8
Cubic inches
17.56283
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)
1680
in·lb
Max Torque (with 92 Shore A spider)
3360
in·lb
Clamping Bolt Style Coupling Torque
221.25
in·lb
Max. Speed
4750
rpm
GS Series Hub Design Description
Clamping Hub With Double Slot Without Keyway (DSC)
Transmits torque utilizing a double split clamp to attach hub to shaft. Zero or minimum backlash. Torque capacity of coupling determined by bore size. Available standard for sizes GS 24-55.
MORE IMAGES
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GS Series Misalignment Capabilities
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GS Series DimDraw
VIEW CAD DRAWING
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3D
DOWNLOADS
Curved Jaw Catalog
(PDF, 0KB)
GS Series Installation Instructions
(PDF, 0KB)
GS Series Installation Video
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.