FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Hubs - Rough Stock 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).

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Item #

Description 

Nominal Torque

Max. Speed (Unbalanced)

Length thru Bore

Dimension FD

Dimension HD

N/A FLA 1.5 HUB RSB N/A 15000.00 in·lb N/A 12000 rpm N/A 1.94 in49.28 mm N/A 6.00 in152.40 mm N/A 2.190 in55.63 mm
N/A FLA 2 HUB RSB N/A 35500.00 in·lb N/A 9300.00 rpm N/A 2.440 in61.98 mm N/A 7.00 in177.80 mm N/A 2.880 in73.15 mm
N/A FLA 2.5 HUB RSB N/A 69300 in·lb N/A 7900.00 rpm N/A 3.030 in76.96 mm N/A 8.38 in212.85 mm N/A 3.630 in92.20 mm
N/A FLA 3 HUB RSB N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 9.44 in239.78 mm N/A 4.250 in107.95 mm
N/A FLA 3.5 HUB RSB N/A 188500.00 in·lb N/A 6000 rpm N/A 4.190 in106.43 mm N/A 11.00 in279.40 mm N/A 5.00 in127.00 mm
N/A FLA 4 HUB RSB N/A 283800.00 in·lb N/A 5260.00 rpm N/A 4.750 in120.65 mm N/A 12.50 in317.50 mm N/A 5.750 in146.05 mm
N/A FLA 4.5 HUB RSB N/A 393800.00 in·lb N/A 4770.00 rpm N/A 5.310 in134.87 mm N/A 13.63 in346.20 mm N/A 6.5 in165.10 mm
N/A FLA 5 HUB RSB N/A 551300.00 in·lb N/A 4300.00 rpm N/A 6.030 in153.16 mm N/A 15.31 in388.87 mm N/A 7.310 in185.67 mm
N/A FLA 5.5 HUB RSB N/A 732500.00 in·lb N/A 3880.00 rpm N/A 6.910 in175.51 mm N/A 16.75 in425.45 mm N/A 8.000 in203.20 mm
N/A FLA 6 HUB RSB N/A 952500.00 in·lb N/A 3600.00 rpm N/A 7.410 in188.21 mm N/A 18.00 in457.20 mm N/A 8.810 in223.77 mm
N/A FLA 7 HUB RSB N/A 1512500.00 in·lb N/A 3000 rpm N/A 8.690 in220.73 mm N/A 20.75 in527.05 mm N/A 10.310 in261.87 mm
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