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).

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Item #

Description 

Bore Size 

Keyway Size (W x D)

Nominal Torque

Max. Speed (Unbalanced)

Length thru Bore

Dimension HD

N/A FLA 1.5 HUB 3/4 3/16X3/32KW N/A 3/4 in N/A 3/16 x 3/32 in N/A 15000.00 in·lb N/A 12000 rpm N/A 1.94 in49.28 mm N/A 2.190 in55.63 mm
N/A FLA 1.5 HUB 7/8 3/16X3/32KW N/A 7/8 in N/A 3/16 x 3/32 in N/A 15000.00 in·lb N/A 12000 rpm N/A 1.94 in49.28 mm N/A 2.190 in55.63 mm
N/A FLA 1.5 HUB 1" 1/4X1/8KW N/A 1 in N/A 1/4 x 1/8 in N/A 15000.00 in·lb N/A 12000 rpm N/A 1.94 in49.28 mm N/A 2.190 in55.63 mm
N/A FLA 1.5 HUB 1-1/8 1/4X1/8KW N/A 1 1/8 in N/A 1/4 x 1/8 in N/A 15000.00 in·lb N/A 12000 rpm N/A 1.94 in49.28 mm N/A 2.190 in55.63 mm
N/A FLA 1.5 HUB 1-1/4 1/4X1/8KW N/A 1 1/4 in N/A 1/4 x 1/8 in N/A 15000.00 in·lb N/A 12000 rpm N/A 1.94 in49.28 mm N/A 2.190 in55.63 mm
N/A FLA 2 HUB 1" 1/4X1/8KW N/A 1 in N/A 1/4 x 1/8 in N/A 35500.00 in·lb N/A 9300.00 rpm N/A 2.440 in61.98 mm N/A 2.880 in73.15 mm
N/A FLA 2 HUB 1-1/8 1/4X1/8KW N/A 1 1/8 in N/A 1/4 x 1/8 in N/A 35500.00 in·lb N/A 9300.00 rpm N/A 2.440 in61.98 mm N/A 2.880 in73.15 mm
N/A FLA 2 HUB 1-1/4 1/4X1/8KW N/A 1 1/4 in N/A 1/4 x 1/8 in N/A 35500.00 in·lb N/A 9300.00 rpm N/A 2.440 in61.98 mm N/A 2.880 in73.15 mm
N/A FLA 2.5 HUB 1-1/8 1/4X1/8KW N/A 1 1/8 in N/A 1/4 x 1/8 in N/A 69300 in·lb N/A 7900.00 rpm N/A 3.030 in76.96 mm N/A 3.630 in92.20 mm
N/A FLA 2.5 HUB 1-1/4 1/4X1/8KW N/A 1 1/4 in N/A 1/4 x 1/8 in N/A 69300 in·lb N/A 7900.00 rpm N/A 3.030 in76.96 mm N/A 3.630 in92.20 mm
N/A FLA 3 HUB 1-3/8 5/16X5/32KW N/A 1 3/8 in N/A 5/16 x 5/32 in N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 4.250 in107.95 mm
N/A FLA 3 HUB 1-1/4 1/4X1/8KW N/A 1 1/4 in N/A 1/4 x 1/8 in N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 4.250 in107.95 mm
N/A FLA 3 HUB 1-1/2 3/8X3/16KW N/A 1 1/2 in N/A 3/8 x 3/16 in N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 4.250 in107.95 mm
N/A FLA 3 HUB 1-5/8 3/8X3/16KW N/A 1 5/8 in N/A 3/8 x 3/16 in N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 4.250 in107.95 mm
N/A FLA 3 HUB 1-3/4 3/8X3/16KW N/A 1 3/4 in N/A 3/8 x 3/16 in N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 4.250 in107.95 mm
N/A FLA 3 HUB 2.249/2.250 1/2KW N/A 2 1/4 in N/A 1/2 in N/A 118900.00 in·lb N/A 6800.00 rpm N/A 3.590 in91.19 mm N/A 4.250 in107.95 mm
N/A FLA 3.5 HUB 1-7/8 1/2X1/4KW N/A 1 7/8 in N/A 1/2 x 1/4 in N/A 188500.00 in·lb N/A 6000 rpm N/A 4.190 in106.43 mm N/A 5.00 in127.00 mm
N/A FLA 3.5 HUB 2" 1/2X1/4KW N/A 2 in N/A 1/2 x 1/4 in N/A 188500.00 in·lb N/A 6000 rpm N/A 4.190 in106.43 mm N/A 5.00 in127.00 mm
N/A FLA 3.5 HUB 2-1/8 1/2X1/4KW N/A 2 1/8 in N/A 1/2 x 1/4 in N/A 188500.00 in·lb N/A 6000 rpm N/A 4.190 in106.43 mm N/A 5.00 in127.00 mm
N/A FLA 3.5 HUB 2-1/4 1/2X1/4KW N/A 2 1/4 in N/A 1/2 x 1/4 in N/A 188500.00 in·lb N/A 6000 rpm N/A 4.190 in106.43 mm N/A 5.00 in127.00 mm
N/A FLA 4 HUB 2-3/8 5/8X5/16KW N/A 2 3/8 in N/A 5/8 x 5/16 in N/A 283800.00 in·lb N/A 5260.00 rpm N/A 4.750 in120.65 mm N/A 5.750 in146.05 mm
N/A FLA 4 HUB 2-1/2 5/8X5/16KW N/A 2 1/2 in N/A 5/8 x 5/16 in N/A 283800.00 in·lb N/A 5260.00 rpm N/A 4.750 in120.65 mm N/A 5.750 in146.05 mm
N/A FLA 4 HUB 2-5/8 5/8X5/16KW N/A 2 5/8 in N/A 5/8 x 5/16 in N/A 283800.00 in·lb N/A 5260.00 rpm N/A 4.750 in120.65 mm N/A 5.750 in146.05 mm
N/A FLA 4 HUB 2-3/4 5/8X5/16KW N/A 2 3/4 in N/A 5/8 x 5/16 in N/A 283800.00 in·lb N/A 5260.00 rpm N/A 4.750 in120.65 mm N/A 5.750 in146.05 mm
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