FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves

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).

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Item #

Description 

Hub Style

Max. Bore - Standard Keyway (Dimensions ID1/ID2)

Dimension FD

Max. Speed (Unbalanced)

Nominal Torque

N/A FLA 1.5E SLEEVE N/A Exposed Bolt N/A 1.625 in41 mm N/A 6.00 in152.40 mm N/A 12000 rpm N/A 15000.00 in·lb
N/A FLA 1.5S SLEEVE N/A Shrouded Bolt N/A 1.625 in41 mm N/A 6.00 in152.40 mm N/A 12000 rpm N/A 15000.00 in·lb
N/A FLA 2E SLEEVE N/A Exposed Bolt N/A 2.125 in53 mm N/A 7.00 in177.80 mm N/A 9300.00 rpm N/A 35500.00 in·lb
N/A FLA 2S SLEEVE N/A Shrouded Bolt N/A 2.125 in53 mm N/A 7.00 in177.80 mm N/A 9300.00 rpm N/A 35500.00 in·lb
N/A FLA 2.5E SLEEVE N/A Exposed Bolt N/A 2.750 in69 mm N/A 8.38 in212.85 mm N/A 7900.00 rpm N/A 69300 in·lb
N/A FLA 2.5S SLEEVE N/A Shrouded Bolt N/A 2.750 in69 mm N/A 8.38 in212.85 mm N/A 7900.00 rpm N/A 69300 in·lb
N/A FLA 3E SLEEVE N/A Exposed Bolt N/A 3.125 in79 mm N/A 9.44 in239.78 mm N/A 6800.00 rpm N/A 118900.00 in·lb
N/A FLA 3S SLEEVE N/A Shrouded Bolt N/A 3.125 in79 mm N/A 9.44 in239.78 mm N/A 6800.00 rpm N/A 118900.00 in·lb
N/A FLA 3.5E SLEEVE N/A Exposed Bolt N/A 3.750 in95 mm N/A 11.00 in279.40 mm N/A 6000 rpm N/A 188500.00 in·lb
N/A FLA 3.5S SLEEVE N/A Shrouded Bolt N/A 3.750 in95 mm N/A 11.00 in279.40 mm N/A 6000 rpm N/A 188500.00 in·lb
N/A FLA 4E SLEEVE N/A Exposed Bolt N/A 4.250 in107 mm N/A 12.50 in317.50 mm N/A 5260.00 rpm N/A 283800.00 in·lb
N/A FLA 4S SLEEVE N/A Shrouded Bolt N/A 4.250 in107 mm N/A 12.50 in317.50 mm N/A 5260.00 rpm N/A 283800.00 in·lb
N/A FLA 4.5E SLEEVE N/A Exposed Bolt N/A 4.750 in120 mm N/A 13.63 in346.20 mm N/A 4770.00 rpm N/A 393800.00 in·lb
N/A FLA 4.5S SLEEVE N/A Shrouded Bolt N/A 4.750 in120 mm N/A 13.63 in346.20 mm N/A 4770.00 rpm N/A 393800.00 in·lb
N/A FLA 5E SLEEVE N/A Exposed Bolt N/A 5.500 in139 mm N/A 15.31 in388.87 mm N/A 4300.00 rpm N/A 551300.00 in·lb
N/A FLA 5S SLEEVE N/A Shrouded Bolt N/A 5.500 in139 mm N/A 15.31 in388.87 mm N/A 4300.00 rpm N/A 551300.00 in·lb
N/A FLA 5.5E SLEEVE N/A Exposed Bolt N/A 5.875 in149 mm N/A 16.75 in425.45 mm N/A 3880.00 rpm N/A 732500.00 in·lb
N/A FLA 6E SLEEVE N/A Exposed Bolt N/A 6.500 in165 mm N/A 18.00 in457.20 mm N/A 3600.00 rpm N/A 952500.00 in·lb
N/A FLA 7E SLEEVE N/A Exposed Bolt N/A 8.000 in203 mm N/A 20.75 in527.05 mm N/A 3000 rpm N/A 1512500.00 in·lb
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