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    Lovejoy is pleased to be able to provide quality grid couplings covering a large number of industry standard sizes and lengths. The Lovejoy grid style coupling has proven itself in performance and popularity over a wide range of applications.

    Lovejoy’s grid style coupling design has demonstrated its ability to dampen vibration by as much as 30% and can cushion shock loads that could cause damage to both the driving and driven equipment. The tapered grid spring design absorbs impact energy by spreading the energy out over the full length of the grid spring thus reducing the magnitude of the torque spikes.

    The Lovejoy design uses a curved hub tooth profile which creates a progressive contact with the flexible grid spring as the application torque increases. This feature provides a more effective and efficient transmission of power in properly aligned couplings.

    Lovejoy’s versatile design of industry standard hubs and grid springs for both horizontal and vertical cover styles allow Lovejoy couplings to be interchangeable with other industry standard grid couplings and components.

    Proper grid coupling installation and maintenance can add to a longer coupling life. Grid spring replacement is simple and can be performed at a fraction of the cost and time of a complete coupling.
    The Lovejoy Grid coupling is an ideal coupling for applications where excellent performance is desired and additional requirements for vibration dampening may exist. The Horizontal Split Cover design is recommended in applications where there may be some constraints on the diameter of the coupling. The vertical design is recommended for applications where higher speed is one of the requirements.
Features
  • Designed for ease of maintenance and grid spring replacement
  • High tensile grid springs ensure superior coupling performance and longer coupling life
  • Split covers allow for easy access to grid springs
  • Interchangeable with industry standard grid couplings
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.

Notes 

 N/A
  • Size 1020 thru 1090 hubs are provided with clearance fit bores and 2 set screws at 90°.
  • Size 1100 thru 1200 hubs are provided with interference fit bores and no set screws.
Lovejoy machines Inch bores and keyways to meet tolerances define in the ANSI/AGMA 9002-B04 Standard.

Specifications

Description 

 N/A 1090-HUB-60MMH7-18X4.4MMKW

Type

 N/A Grid Coupling

Hub Material

 N/A Alloy Steel

Style

 N/A Bored

Color

 N/A Gray/Metallic

Bore Type

 N/A Finished Bore and Keyway

Weight

 N/A 11.30 lb

Dimensional Data

Bore Size

 N/A 60.00 mm

Lovejoy® Grid Coupling Size

 N/A 1090

Set Screw Style Coupling Size (Dimension T)

 N/A 5/16-18

Set Screw Style Coupling Location Size (Dimension SL)

 N/A 1.030 in26.16 mm

Keyway Size (W x D)

 N/A 18 x 4.4 mm

Height

 N/A 4.880 in

Width

 N/A 4.880 in

Length thru Bore

 N/A 3.880 in98.55 mm

Overall Length

 N/A 7.880 in200 mm

Outside Diameter (Horiontal Style Cover)

 N/A 8.390 in213.00 mm

Outside Diameter (Vertical Style Cover)

 N/A 7.880 in200.20 mm

Min. Bore (Dimensions ID1/ID2)

 N/A 1.062 in27.00 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 3.500 in89.00 mm

Dimension FD

 N/A 5.880 in149.20 mm

Dimension FL

 N/A 0.500 in12.70 mm

Dimension HD

 N/A 4.880 in123.70 mm

Dimension G1

 N/A 0.118 in3.00 mm

Dimension L (Horizontal Style Cover)

 N/A 4.800 in121.92 mm

Dimension L (Vertical Style Cover)

 N/A 1.860 in47.24 mm

Max. Parallel Misalignment at Installation (Dimension P)

 N/A 0.0080 in

Max. Parallel Misalignment during Operation (Dimension P)

 N/A 0.016 in

Dimension R

 N/A 3.750 in95.25 mm

Dimension SL

 N/A 1.030 in26.16 mm

Distance between Shaft Ends (Dimension G) - Normal Gap

 N/A 0.118 in3.00 mm

Cubic inches

 N/A 92.39987 in³

Performance Data

Nominal Torque

 N/A 33000.00 in·lb3728.00 N·m

Max. Speed (Horizontal Style Cover)

 N/A 3600.00 rpm

Max. Speed (Vertical Style Cover)

 N/A 4000.00 rpm

Max. Angular Misalignment at Installation (X-Y)

 N/A 0.007 in

Max. Angular Misalignment during Operation (X-Y)

 N/A 0.028 in

Coupling Part Numbers

Falk™ Steelflex® Horizontal Cover Style Coupling Part Number

 N/A 1090T10

Morse® / Browning® Grid-Flex Horizontal Cover Style Coupling Part Number

 N/A GF2090H

Dodge® Grid-Lign® Horizontal Cover Style Coupling Part Number

 N/A 1090T10

Kop-Flex® / Kop-Grid® Horizontal Cover Style Coupling Part Number

 N/A 1090H

Falk™ Steelflex® Vertical Cover Style Coupling Part Number

 N/A 1090T20

Morse® / Browning® Grid-Flex Vertical Cover Style Coupling Part Number

 N/A GF2090V

Dodge® Grid-Lign® Vertical Cover Style Coupling Part Number

 N/A 1090T20

Kop-Flex® / Kop-Grid® Vertical Cover Style Coupling Part Number

 N/A 1090V

Features

Features 

 N/A
  • High tensile, shot-peened alloy steel grid springs and precision machined hubs ensure superior coupling performance and long life.
  • Lovejoy’s grid couplings with tapered grids are designed to be interchangeable with other industry standard grid couplings with both horizontal and vertical grid covers.
  • Lovejoy grid couplings are designed for ease of installation and maintenance reducing labor and downtime costs.
  • The torsional flexibility and resilience of Lovejoy grid couplings helps reduce vibration and cushions shock and impact loads.
  • Cover fasteners can be provided in either Inch or Metric sizes.
  • Excellent for use in applications where the equipment is close coupled or spaced apart requiring a spacer style coupling arrangement.
  • Stock spacer designs are available or requests for custom spacer lengths can be addressed by Lovejoy engineering.
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