• 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

Coupling Size	2.5
Length Through Bore (in)	2.90625 in
Rating HP @ 100 RPM	90
Bolt Type	Shrouded
Outside Diameter (in)	8.375 in
Material	Medium Carbon Steel
Tooth Profile	Straight faced, Involute Stub Tooth
Coupling Type	Gear Coupling
Max Bore w/standard key for Flex Hub	3.5 in
Model Name	H_1-7_FR_Master
Fastener Quantity	10
Bore Type	Finished Bore
Lube/Non-Lube	Lubricated
Configuration	Flex Rigid
Torque Rating (in-lb)	56,700 in/lbs
Compatible Bore Size Rigid Hub [Min] (in)	1.375 in
Torque [Max] (in-lb)	113,400 in/lbs
Measurement System	Imperial
Speed Max (rpm)	7,900 rpm
Compatible Bore Size Flex Hub [Min] (in)	0.9375 in
Style	Series H
Compatible Bore Size [Min] (in)	0 in
Fastener Size	1/2 x 1 5/16
Bore Size Max (in)	3.5 in

General Specifications

UPC	662384147377
Weight	53.31 LB