• 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

Material	Medium Carbon Steel
Coupling Size	4.5
Length Through Bore (in)	5.3125 in
Bolt Circle	12 in
Outside Diameter (in)	13.625 in
Fastener Quantity	10
Tooth Profile	Straight faced, Involute Stub Tooth
Rating HP @ 100 RPM	505
Coupling Type	Gear Coupling
Model Name	H1-7FF_Master
Bolt Type	Exposed
Bore Type	Finished Bore
Configuration	Full Flex
Overall Length (in)	9.6875 in
Lube/Non-Lube	Lubricated
Speed Max (rpm)	4,770 rpm
Compatible Bore Size [Min] (in)	3 in
Torque Rating (in-lb)	318,000 in/lbs
Torque [Max] (in-lb)	636,000 in/lbs
Measurement System	Imperial
Style	Series H
Sleeve Type	Flanged
Fastener Size	3/4 x 3 3/8
Bore Size Max (in)	6 in

General Specifications

UPC	662384146660
Weight	249.00 LB