• Large bore capacity with o-ring seal design. The most economical gear coupling design.
• Curved face teeth (sizes 1 through 7) for up to 1.5 degrees static misalignment capability.
• Series H coupling sleeves will bolt to all competitor couplings sizes 1 through 7 for interchangeability in flex halves.
• Precision-drilled flange bolt holes with special body-fitting, grade 5 bolts for a long-lasting piloted flange connection.

Technical Specifications

Fastener Quantity	14
Material	Medium Carbon Steel
Outside Diameter (in)	16.75 in
Coupling Size	5.5
Bore Type	Finished Bore
Bolt Type	Exposed
Rating HP @ 100 RPM	920
Bolt Circle	14.5 in
Coupling Type	Gear Coupling
Model Name	H1-7FF_Master
Tooth Profile	Straight faced, Involute Stub Tooth
Length Through Bore (in)	6.90625 in
Overall Length (in)	12.4375 in
Measurement System	Imperial
Style	Series H
Torque [Max] (in-lb)	1,160,000 in/lbs
Compatible Bore Size [Min] (in)	3.25 in
Speed Max (rpm)	3,880 rpm
Configuration	Full Flex
Torque Rating (in-lb)	580,000 in/lbs
Lube/Non-Lube	Lubricated
Fastener Size	7/8 x 4 1/4
Bore Size Max (in)	7.75 in

General Specifications

UPC	662384146684
Weight	366.00 LB