• 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

Model Name	1-5-7_FF
Rating HP @ 100 RPM	505
Outside Diameter (in)	13.625 in
Fastener Quantity	10
Coupling Type	Gear Coupling
Tooth Profile	Straight Faced Involute Hub tooth
Bolt Type	Exposed
Length Through Bore (in)	5.3125 in
Bore Type	Rough Bore
Material	Medium Carbon Steel
Bolt Circle	12 in
Coupling Size	4.5
Style	FASTS
Configuration	Full Flex
Lube/Non-Lube	Lubricated
Speed Max (rpm)	4,770 rpm
Torque Rating (in-lb)	318,000 in/lbs
Measurement System	Imperial
Overall Length (in)	10.9375 in
Torque [Max] (in-lb)	636,000 in/lbs
Compatible Bore Size [Min] (in)	3 in
Sleeve Type	Flanged
Bore Size Max (in)	4.75 in
Fastener Size	3/4 x 3 3/8

General Specifications

UPC	662384010145
Weight	222.50 LB