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FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Hubs - Inch (Imperial) Bore

For use with FLA (Flex-Flex All-Metal Labyrinth Seal) and FLAFR (Flex-Rigid All-Metal Labyrinth Seal) couplings.

The FLA Type coupling consists of two special FLA Type flex hubs, two FLA sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FLAFR Type coupling consists of one special FLA flex hub, one FA rigid hub, one FLA flex sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FLAFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).
Unit of Measure

Specifications

Description 

 N/A FLA-2-HUB-1-1/8-1/4X1/8KW

Hub Style

 N/A Exposed Bolt

Type

 N/A Gear Coupling Hubs

Hub Material

 N/A All Metal

Style

 N/A Bored

Color

 N/A Metallic

Coupling Type

 N/A Gear

Weight

 N/A 6.29 lb

Complete Coupling Weight

 N/A 29.10 lb

Dimensional Data

Bore Size 

 N/A 1 1/8 in

Size

 N/A 2

Keyway Size (W x D)

 N/A 1/4 x 1/8 in

Length thru Bore

 N/A 2.440 in61.98 mm

Overall Length

 N/A 5.190 in131.83 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 2.125 in53.98 mm

Dimension D

 N/A 4.910 in124.71 mm

Dimension FD

 N/A 7.00 in177.80 mm

Dimension HD

 N/A 2.880 in73.15 mm

Dimension W

 N/A 1.500 in38.10 mm

Center Line to Center Line of Teeth

 N/A 4.000 in101.60 mm

Distance between Shaft Ends (Dimension BSE)

 N/A 0.13 in3.30 mm

Cubic inches

 N/A 20.23834 in³

Performance Data

Nominal Torque

 N/A 35500.00 in·lb

Max. Speed (Unbalanced)

 N/A 9300.00 rpm

Max. Speed (Balanced)

 N/A 13950.00 rpm

Max. Angular Misalignment

 N/A 1.50º per Gear Mesh

Parallel Misalignment

 N/A 0.035 in

Features

Features 

 N/A
  • All-Metal Labyrinth Seals
  • AISI 4140 Alloy Steel Construction
  • Patented Vari-Crown® tooth form for long life
  • Standard 20° pressure angle
  • Heat treated bolts for greater strength
  • Corrosion resistant bolts and nuts for ease of maintenance
  • Provides parallel, angular misalignment and end float
  • Flex Half coupling interchangeable with industry standards

Notes

Notes 

 N/A
  • Exposed Bolt Design is standard.
  • Shrouded Bolt Design available upon request for sizes 1 through 5.
  • Puller Holes are standard on sizes 4 through 7.
  • Puller Holes are available for sizes 1 through 3.5 at an additional charge.
  • Interference bores with no set screws are standard unless otherwise specified.
  • Inch bore and keyway tolerances conform to AGMA 9002-B04.
  • For metric bore and keyway tolerances, consult Lovejoy Engineering Section.
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