• 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

Bolt Type	Exposed
Coupling Type	Gear Coupling
Bore Type	Rough Bore
Bolt Circle	7.125 in
Rating HP @ 100 RPM	90
Coupling Size	2.5
Length Through Bore (in)	3.03125 in
Tooth Profile	Straight Faced Involute Hub tooth
Fastener Quantity	6
Model Name	1-5-7_FF
Material	Medium Carbon Steel
Outside Diameter (in)	8.375 in
Style	FASTS
Lube/Non-Lube	Lubricated
Compatible Bore Size [Min] (in)	0 in
Torque [Max] (in-lb)	113,400 in/lbs
Torque Rating (in-lb)	56,700 in/lbs
Overall Length (in)	6.1875 in
Speed Max (rpm)	7,900 rpm
Measurement System	Imperial
Configuration	Full Flex
Sleeve Type	Flanged
Bore Size Max (in)	2.75 in
Fastener Size	5/8 x 2 3/4

General Specifications

UPC	662384010107
Weight	51.28 LB