The Timken Company - FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves

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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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Unit of Measure

Items	69790491072 FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves	69790491083 FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves	69790491073 FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves	69790491084 FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves	69790491074 FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves
Description	N/A FLA-1.5E-SLEEVE	N/A FLA-1.5S-SLEEVE	N/A FLA-2E-SLEEVE	N/A FLA-2S-SLEEVE	N/A FLA-2.5E-SLEEVE
Size	N/A 1 1/2 in	N/A 1 1/2 in	N/A 2 in	N/A 2 in	N/A 2 1/2 in
Hub Style	N/A Exposed Bolt	N/A Shrouded Bolt	N/A Exposed Bolt	N/A Shrouded Bolt	N/A Exposed Bolt
Max. Bore - Standard Keyway (Dimensions ID1/ID2)	N/A 1.625 in41 mm	N/A 1.625 in41 mm	N/A 2.125 in53 mm	N/A 2.125 in53 mm	N/A 2.750 in69 mm
Type	N/A Sleeves
Length thru Bore	N/A 1.940 in49.28 mm	N/A 1.940 in49.28 mm	N/A 2.440 in61.98 mm	N/A 2.440 in61.98 mm	N/A 3.030 in76.96 mm
Material	N/A All Metal
Working Pressure	N/A 999999999 psi
Style	N/A Labryrinth Seal Exposed Bolt Sleeve	N/A Labryrinth Seal Shrouded Bolt Sleeve	N/A Labryrinth Seal Exposed Bolt Sleeve	N/A Labryrinth Seal Shrouded Bolt Sleeve	N/A Labryrinth Seal Exposed Bolt Sleeve
Application	N/A Driver and Driven
Puller Hole Size	N/A 1/4-20	N/A 1/4-20	N/A 38-16	N/A 38-16	N/A 1/2-13
Distance between Shaft Ends (Dimension BSE)	N/A 0.13 in3.30 mm	N/A 0.13 in3.30 mm	N/A 0.13 in3.30 mm	N/A 0.13 in3.30 mm	N/A 0.19 in4.83 mm
Dimension D	N/A 3.970 in100.84 mm	N/A 3.970 in100.84 mm	N/A 4.910 in124.71 mm	N/A 4.910 in124.71 mm	N/A 5.91 in150.11 mm
Center Line to Center Line of Teeth	N/A 3.250 in82.55 mm	N/A 3.250 in82.55 mm	N/A 4.000 in101.60 mm	N/A 4.000 in101.60 mm	N/A 5.000 in127.00 mm
Dimension FD	N/A 6.00 in152.40 mm	N/A 6.00 in152.40 mm	N/A 7.00 in177.80 mm	N/A 7.00 in177.80 mm	N/A 8.38 in212.85 mm
Dimension W	N/A 1.500 in38.10 mm	N/A 1.500 in38.10 mm	N/A 1.500 in38.10 mm	N/A 1.500 in38.10 mm	N/A 1.750 in44.45 mm
Weight	N/A 5.73 lb	N/A 5.00 lb	N/A 8.00 lb	N/A 7.00 lb	N/A 13.48 lb
Complete Coupling Weight	N/A 17.60 lb	N/A 17.60 lb	N/A 29.10 lb	N/A 29.10 lb	N/A 50.90 lb
Max. Speed (Unbalanced)	N/A 12000 rpm	N/A 12000 rpm	N/A 9300.00 rpm	N/A 9300.00 rpm	N/A 7900.00 rpm
Max. Speed (Balanced)	N/A 18000 rpm	N/A 18000 rpm	N/A 13950.00 rpm	N/A 13950.00 rpm	N/A 11850.00 rpm
Nominal Torque	N/A 15000.00 in·lb	N/A 15000.00 in·lb	N/A 35500.00 in·lb	N/A 35500.00 in·lb	N/A 69300 in·lb
Max. Angular Misalignment (per Gear Mesh)	N/A 1.50 º
Parallel Misalignment	N/A 0.028 in	N/A 0.028 in	N/A 0.035 in	N/A 0.035 in	N/A 0.044 in
Cubic inches	N/A 69.84000 in³	N/A 69.84000 in³	N/A 119.56000 in³	N/A 119.56000 in³	N/A 212.77993 in³