• 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

Bore Type	Rough Bore
Coupling Type	Gear Coupling
Tooth Profile	Straight Faced Involute Hub tooth
Outside Diameter (in)	16.75 in
Rating HP @ 100 RPM	920
Fastener Quantity	14
Bolt Circle	14.5 in
Bolt Type	Exposed
Length Through Bore (in)	6.90625 in
Model Name	1-5-7_FF
Coupling Size	5.5
Material	Medium Carbon Steel
Torque Rating (in-lb)	580,000 in/lbs
Overall Length (in)	13.8125 in
Measurement System	Imperial
Speed Max (rpm)	3,880 rpm
Style	FASTS
Configuration	Full Flex
Compatible Bore Size [Min] (in)	3.25 in
Torque [Max] (in-lb)	1,160,000 in/lbs
Lube/Non-Lube	Lubricated
Sleeve Type	Flanged
Fastener Size	7/8 x 4 1/4
Bore Size Max (in)	5.88 in

General Specifications

UPC	662384010169
Weight	416.23 LB