• 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

Outside Diameter (in)	20.75 in
Material	Medium Carbon Steel
Tooth Profile	Straight faced, Involute Stub Tooth
Fastener Quantity	16
Coupling Type	Gear Coupling
Length Through Bore (in)	8.75 in
Model Name	H_1-7_FR_Master
Rating HP @ 100 RPM	1,840
Bore Type	Finished Bore
Bolt Type	Exposed
Coupling Size	7
Max Bore w/standard key for Flex Hub	10.375 in
Configuration	Flex Rigid
Speed Max (rpm)	3,000 rpm
Compatible Bore Size Rigid Hub [Min] (in)	4 in
Compatible Bore Size Flex Hub [Min] (in)	4 in
Style	Series H
Torque [Max] (in-lb)	2,320,000 in/lbs
Measurement System	Imperial
Lube/Non-Lube	Lubricated
Torque Rating (in-lb)	1,160,000 in/lbs
Compatible Bore Size [Min] (in)	0 in
Bore Size Max (in)	10.38 in
Fastener Size	1 x 3 5/8

General Specifications

UPC	662384147544
Weight	894.32 LB