• 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

Rating HP @ 100 RPM	235
Coupling Size	3.5
Bore Type	Finished Bore
Model Name	H_1-7_FR_Master
Max Bore w/standard key for Flex Hub	4.5 in
Outside Diameter (in)	11 in
Fastener Quantity	12
Bolt Type	Shrouded
Tooth Profile	Straight faced, Involute Stub Tooth
Coupling Type	Gear Coupling
Length Through Bore (in)	4.03125 in
Material	Medium Carbon Steel
Style	Series H
Configuration	Flex Rigid
Torque [Max] (in-lb)	296,000 in/lbs
Measurement System	Imperial
Lube/Non-Lube	Lubricated
Compatible Bore Size Flex Hub [Min] (in)	1.6875 in
Speed Max (rpm)	6,000 rpm
Torque Rating (in-lb)	148,000 in/lbs
Compatible Bore Size [Min] (in)	0 in
Compatible Bore Size Rigid Hub [Min] (in)	2.25 in
Bore Size Max (in)	4.5 in
Fastener Size	5/8 x 1 5/8

General Specifications

UPC	662384147391
Weight	125.08 LB