The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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FHD Type Flex Flex Hubs, Rough Stock Bore

Sier-Bath Heavy Duty Flanged Sleeve Gear Couplings

The FHD Type coupling consists of two flex hubs, two sleeves with bolt-on seal carriers and one accessory kit. This coupling is supplied with exposed bolts (E) only. The FHD type coupling has heat treated bolts for greater strength.

Designed for high torque, low-speed applications that occur in mill operations.

FHDpict
Unit of Measure
Items FHDpict
69790400330
F Type Flex Hubs - Rough Stock Bore 		FHDpict
69790400332
F Type Flex Hubs - Rough Stock Bore 		FHDpict
69790400334
F Type Flex Hubs - Rough Stock Bore 		FHDpict
69790400335
F Type Flex Hubs - Rough Stock Bore
Description  N/A FHD-10-HUB-RSB N/A FHD-12-HUB-RSB N/A FHD-14-HUB-RSB N/A FHD-15-HUB-RSB
Size N/A 10 N/A 12 N/A 14 N/A 15
Type N/A Gear Coupling Hubs
Hub Material N/A AISI 1045
Set Screw Style Coupling Size (Dimension T) N/A No Setscrew
Nominal Torque N/A 2521000 in·lb280000 N·m N/A 4412000 in·lb500000 N·m N/A 6429000 in·lb730000 N·m N/A 7752000 in·lb880000 N·m
Max Speed (Unbalanced) N/A 1550 rpm N/A 1300 rpm N/A 1050 rpm N/A 900 rpm
Height N/A 18.500 in N/A 22.750 in N/A 26.500 in N/A 28.500 in
Length thru Bore N/A 12.000 in N/A 13.880 in N/A 15.500 in N/A 16.500 in
Style N/A Unbored
Color N/A Metallic
Bore Type N/A Rough Stock Bore
Max. Bore N/A 13.750 in355 mm N/A 17.000 in435 mm N/A 19.500 in N/A 21.000 in
Dimension HD N/A 18.500 in469.90 mm N/A 22.750 in577.85 mm N/A 26.500 in673.10 mm N/A 28.500 in723.90 mm
Coupling Type N/A Gear
Weight N/A 839.71 lb N/A 1390.20 lb N/A 2108.40 lb N/A 2542.20 lb
Cubic inches N/A
Overall Length N/A 24.50 in N/A 28.25 in N/A 31.75 in N/A 33.75 in
Flange Diameter (Dimension FD) N/A 28.00 in N/A 33.00 in N/A 38.00 in N/A 40.50 in
Distance between Shaft Ends (Dimension BSE) N/A 0.50 in N/A 0.50 in N/A 0.75 in N/A 0.75 in