The Timken Company - AL Type Hubs with Keyway - Inch (Imperial) Bores

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The AL Type coupling consists of two standard AL Type hubs, one spider and one set screw, except the AL150 which is provided with two set screws.
Unless stated otherwise, hub torque and horsepower ratings assume a SOX(NBR) rubber spider is being used.

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Unit of Measure

Items	68514449706 AL Type Hubs with Keyway - Inch (Imperial) Bores	68514410473 AL Type Hubs with Keyway - Inch (Imperial) Bores	68514410491 AL Type Hubs with Keyway - Inch (Imperial) Bores	68514410482 AL Type Hubs with Keyway - Inch (Imperial) Bores	68514410635 AL Type Hubs with Keyway - Inch (Imperial) Bores
Description	N/A AL050-HUB-1/2-1/8X1/16KW	N/A AL070-HUB-1/2-1/8X1/16KW	N/A AL070-HUB-3/4-3/16X3/32KW	N/A AL070-HUB-5/8-3/16X3/32KW	N/A AL075-HUB-1/2-1/8X1/16KW
Bore Size	N/A 1/2 in	N/A 1/2 in	N/A 3/4 in	N/A 5/8 in	N/A 1/2 in
Coupling Size	N/A AL050	N/A AL070	N/A AL070	N/A AL070	N/A AL075
Hub Style	N/A 1	N/A 1	N/A 1	N/A 1	N/A 2
Coupling Type	N/A Jaw
Material	N/A Aluminum
Thread (Dimension T)	N/A 1/4-20
Keyway Size (W x D)	N/A 1/8 x 1/16 in	N/A 1/8 x 1/16 in	N/A 3/16 x 3/32 in	N/A 3/16 x 3/32 in	N/A 1/8 x 1/16 in
Length thru Bore	N/A 0.620 in15.75 mm	N/A 0.750 in19.05 mm	N/A 0.750 in19.05 mm	N/A 0.750 in19.05 mm	N/A 0.810 in20.57 mm
Overall Length	N/A 1.710 in43.43 mm	N/A 2.000 in50.80 mm	N/A 2.000 in50.80 mm	N/A 2.000 in50.80 mm	N/A 2.12 in53.85 mm
Color	N/A Silver
Nominal Torque	N/A 26.30 in·lb	N/A 43.20 in·lb	N/A 43.20 in·lb	N/A 43.20 in·lb	N/A 90.00 in·lb
Min. Bore (Dimensions ID1/ID2)	N/A 0.250 in6 mm
Max. Bore (Dimensions ID1/ID2)	N/A 0.625 in16 mm	N/A 0.750 in19.00 mm	N/A 0.750 in19.00 mm	N/A 0.750 in19.00 mm	N/A 0.875 in22.00 mm
Hub Length	N/A 1.100 in27.94 mm	N/A 1.250 in31.75 mm	N/A 1.250 in31.75 mm	N/A 1.250 in31.75 mm	N/A 1.310 in33.27 mm
Max. Speed	N/A 18000 rpm	N/A 14000.00 rpm	N/A 14000.00 rpm	N/A 14000.00 rpm	N/A 11000.00 rpm
Dimension G	N/A 0.480 in12.19 mm	N/A 0.5 in12.7 mm	N/A 0.5 in12.7 mm	N/A 0.5 in12.7 mm	N/A 0.5 in12.7 mm
Dimension HD	N/A 1.08 in27.43 mm	N/A 1.36 in34.54 mm	N/A 1.36 in34.54 mm	N/A 1.36 in34.54 mm	N/A 1.530 in38.86 mm
Dimension SL	N/A .31 in7.87 mm	N/A 0.380 in9.65 mm	N/A 0.380 in9.65 mm	N/A 0.380 in9.65 mm	N/A .31 in7.87 mm
Moment of Inertia (Solid) WR²	N/A 0.020 lb·in²	N/A 0.040 lb·in²	N/A 0.040 lb·in²	N/A 0.040 lb·in²	N/A 0.121 lb·in²
Rated HP at 100 rpm	N/A 0.042 hp	N/A 0.07 hp	N/A 0.07 hp	N/A 0.07 hp	N/A .14 hp
Rated HP at 1,200 rpm	N/A 0.50 hp	N/A 0.84 hp	N/A 0.84 hp	N/A 0.84 hp	N/A 1.68 hp
Rated HP at 1,800 rpm	N/A 0.75 hp	N/A 1.23 hp	N/A 1.23 hp	N/A 1.23 hp	N/A 2.57 hp
Rated HP at 3,600 rpm	N/A 1.51 hp	N/A 2.52 hp	N/A 2.52 hp	N/A 2.52 hp	N/A 5.04 hp
# of Jaws	N/A 2	N/A 2	N/A 2	N/A 2	N/A 3
Elastomeric Member	N/A SOX (NBR) Rubber
Weight	N/A 0.10 lb	N/A 0.08 lb	N/A 0.08 lb	N/A 0.08 lb	N/A 0.16 lb
Weight - Solid	N/A 0.20 lb	N/A 0.20 lb	N/A 0.20 lb	N/A 0.20 lb	N/A 0.30 lb
Weight (Complete Coupling w/ Max. Bores)	N/A 0.20 lb	N/A 0.30 lb	N/A 0.30 lb	N/A 0.30 lb	N/A 0.40 lb
Cubic inches	N/A 1.28304 in³	N/A 2.31200 in³	N/A 2.31200 in³	N/A 2.31200 in³	N/A 4.01188 in³