The Timken Company - C Type Hubs with Rough Stock Bore

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A complete C Type coupling is comprised of two standard C Type hubs, one cushion set, and one collar with hardware.

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Items	68514440125 C Type Hubs with Rough Stock Bore	68514440126 C Type Hubs with Rough Stock Bore	68514426067 C Type Hubs with Rough Stock Bore	68514441036 C Type Hubs with Rough Stock Bore	68514441037 C Type Hubs with Rough Stock Bore
Description	N/A C226-HUB-7/8-RSB-NKW-N/SS	N/A C276-HUB-7/8-RSB-NKW-N/SS	N/A C280-HUB-1-1/4 RSB-NKW-NSS	N/A C285-HUB-1-1/4-NKW-N/SS	N/A C295-HUB-1-1/2-RSB-NKW-N/SS
Bore Size	N/A 7/8 in	N/A 7/8 in	N/A 1 1/4 in	N/A 1 1/4 in	N/A 1 1/2 in
Hub Style	N/A 3
Coupling Type	N/A Jaw
Coupling	N/A C226	N/A C276	N/A C280	N/A C285	N/A C295
Material	N/A Cast Iron
Thread (Dimension T)	N/A 1/2-13	N/A 1/2-13	N/A 1/2-13	N/A 5/8-11	N/A 5/8-11
Length thru Bore	N/A 2.750 in69.85 mm	N/A 3.120 in79.25 mm	N/A 3.120 in79.25 mm	N/A 3.75 in95.25 mm	N/A 3.75 in95.25 mm
Outside Diameter	N/A 5.150 in130.81 mm	N/A 6.180 in156.97 mm	N/A 7.500 in190.50 mm	N/A 8.500 in215.90 mm	N/A 9.120 in231.65 mm
Color	N/A Gray/Metallic
Nominal Torque	N/A 2988.00 in·lb	N/A 4716 in·lb	N/A 7560.00 in·lb	N/A 9182.00 in·lb	N/A 11340.00 in·lb
Bore Type	N/A Rough Stock Bore
Min. Bore (Dimensions ID1/ID2)	N/A 0.875 in22.00 mm	N/A 0.875 in22.00 mm	N/A 1.250 in32.00 mm	N/A 1.250 in32.00 mm	N/A 1.5 in38 mm
Max. Bore (Dimensions ID1/ID2)	N/A 2.500 in64.00 mm	N/A 2.875 in73 mm	N/A 3.000 in76 mm	N/A 4.000 in102 mm	N/A 3.500 in89.00 mm
Overall Length of Hub	N/A 4.250 in107.95 mm	N/A 4.750 in120.65 mm	N/A 4.750 in120.65 mm	N/A 5.380 in136.65 mm	N/A 5.630 in143.00 mm
Max. Speed	N/A 4800.00 rpm	N/A 4200 rpm	N/A 3500 rpm	N/A 3200.00 rpm	N/A 2300.00 rpm
Dimension CD	N/A 5.500 in139.70 mm	N/A 6.530 in165.86 mm	N/A 7.810 in198.37 mm	N/A 8.880 in225.55 mm	N/A 9.620 in244.35 mm
Dimension CL	N/A 0.120 in3.05 mm
Dimension G	N/A 1.500 in38.10 mm	N/A 1.630 in41.40 mm	N/A 1.630 in41.40 mm	N/A 1.630 in41.40 mm	N/A 1.880 in47.75 mm
Dimension HD	N/A 4.120 in104.65 mm	N/A 5.00 in127.00 mm	N/A 5.500 in139.70 mm	N/A 6.5 in165.10 mm	N/A 6.250 in158.75 mm
Dimension SL	N/A 1.380 in35.05 mm	N/A 1.560 in39.62 mm	N/A 1.560 in39.62 mm	N/A 1.750 in44.45 mm	N/A 1.880 in47.75 mm
Moment of Inertia WR²	N/A 74.000 lb·in²	N/A 188.000 lb·in²	N/A 362.000 lb·in²	N/A 642.000 lb·in²	N/A 862.000 lb·in²
Rated HP at 100 rpm	N/A 4.70 hp	N/A 7.5 hp	N/A 12.00 hp	N/A 14.60 hp	N/A 18.00 hp
Rated HP at 1,200 rpm	N/A 56.40 hp	N/A 90 hp	N/A 114.00 hp	N/A 175.20 hp	N/A 216.00 hp
Rated HP at 1,800 rpm	N/A 85.00 hp	N/A 135 hp	N/A 216.00 hp	N/A 262.00 hp	N/A 324.00 hp
Rated HP at 3,600 rpm	N/A 169.20 hp	N/A 270 hp	N/A	N/A	N/A
# of Jaws	N/A 3
Elastomeric Member	N/A SOX (NBR) Rubber
Weight	N/A 13.00 lb	N/A 22.65 lb	N/A 29.50 lb	N/A 42.20 lb	N/A 45.90 lb
Weight (Complete Coupling w/ Max. Bores)	N/A 29.00 lb	N/A 47.00 lb	N/A 61.00 lb	N/A 87.00 lb	N/A 97.00 lb
Weight (Complete Coupling w/ Min. Bores)	N/A 22.00 lb	N/A 36.00 lb	N/A 49.00 lb	N/A 68.00 lb	N/A 78.00 lb
Cubic inches	N/A 112.72063 in³	N/A 181.41390 in³	N/A 267.18750 in³	N/A 388.70500 in³	N/A 468.27187 in³