• All-metal end ring seal design for maximum service life. The industry standard for over 75 years.
• Provides 300% greater lubricant capacity than o-ring style couplings.
• Greater lubricant capacity allows longer periods between scheduled lubrications and longer service life.
• Straight tooth design provides improved load distribution, lower stresses and longer life for the gear teeth.

Technical Specifications

Fastener Quantity	16
Bolt Circle	18.25 in
Length Through Bore (in)	8.6875 in
Model Name	1-5-7_FF
Rating HP @ 100 RPM	1,840
Tooth Profile	Straight Faced Involute Hub tooth
Outside Diameter (in)	20.75 in
Coupling Type	Gear Coupling
Coupling Size	7
Bore Type	Rough Bore
Material	Medium Carbon Steel
Bolt Type	Exposed
Compatible Bore Size [Min] (in)	3.5 in
Configuration	Full Flex
Torque [Max] (in-lb)	2,320,000 in/lbs
Style	FASTS
Measurement System	Imperial
Torque Rating (in-lb)	1,160,000 in/lbs
Overall Length (in)	17.3125 in
Speed Max (rpm)	3,000 rpm
Lube/Non-Lube	Lubricated
Sleeve Type	Flanged
Fastener Size	1 x 3 5/8
Bore Size Max (in)	8 in

General Specifications

UPC	662384010183
Weight	890.92 LB