• 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)	7 in
Material	Medium Carbon Steel
Fastener Quantity	6
Length Through Bore (in)	2.28125 in
Coupling Type	Gear Coupling
Bolt Type	Exposed
Tooth Profile	Straight faced, Involute Stub Tooth
Rating HP @ 100 RPM	50
Model Name	H_1-7_FR_Master
Max Bore w/standard key for Flex Hub	2.75 in
Coupling Size	2
Bore Type	Rough Bore
Compatible Bore Size Flex Hub [Min] (in)	0.8125 in
Style	Series H
Compatible Bore Size [Min] (in)	0 in
Torque Rating (in-lb)	31,500 in/lbs
Torque [Max] (in-lb)	63,000 in/lbs
Lube/Non-Lube	Lubricated
Speed Max (rpm)	9,300 rpm
Configuration	Flex Rigid
Measurement System	Imperial
Overall Length (in)	4.718 in
Sleeve Type	Flanged
Fastener Size	1/2 x 2 1/4
Bore Size Max (in)	2.75 in

General Specifications

UPC	662384140248
Weight	32.86 LB