• 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

Length Through Bore (in)	5.3125 in
Bolt Type	Shrouded
Bolt Circle	11.75 in
Fastener Quantity	14
Coupling Type	Gear Coupling
Coupling Size	4.5
Rating HP @ 100 RPM	505
Outside Diameter (in)	13.625 in
Bore Type	Rough Bore
Tooth Profile	Straight Faced Involute Hub tooth
Material	Medium Carbon Steel
Model Name	1-5-7_FF
Compatible Bore Size [Min] (in)	3 in
Lube/Non-Lube	Lubricated
Overall Length (in)	10.9375 in
Speed Max (rpm)	4,770 rpm
Measurement System	Imperial
Torque Rating (in-lb)	318,000 in/lbs
Style	FASTS
Configuration	Full Flex
Torque [Max] (in-lb)	636,000 in/lbs
Hub Diameter (in)	9 in
Maximum Operating Angular Misalignment	0.5 °
Performance	Lubrication Hole
Features	Shrouded Bolt / Full Flex Coupling
Sleeve Type	Flanged
Temperature Range	-40 to +190 °F
Includes	Hubs (2) Sleeves (2) Seals (2)
Fastener Size	5/8 x 1 5/8
Bore Size Max (in)	4.75 in

General Specifications

UPC	662384010060
Weight	213.72 LB