• 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

Tooth Profile	Straight Faced Involute Hub tooth
Bolt Circle	7 in
Coupling Size	2.5
Rating HP @ 100 RPM	90
Fastener Quantity	10
Length Through Bore (in)	3.03125 in
Outside Diameter (in)	8.375 in
Bore Type	Rough Bore
Coupling Type	Gear Coupling
Material	Medium Carbon Steel
Bolt Type	Shrouded
Model Name	1-5-7_FF
Torque [Max] (in-lb)	113,400 in/lbs
Overall Length (in)	6.1875 in
Configuration	Full Flex
Style	FASTS
Measurement System	Imperial
Compatible Bore Size [Min] (in)	0 in
Lube/Non-Lube	Lubricated
Speed Max (rpm)	7,900 rpm
Torque Rating (in-lb)	56,700 in/lbs
Sleeve Type	Flanged
Fastener Size	1/2 x 1 5/16
Bore Size Max (in)	2.75 in

General Specifications

UPC	662384010022
Weight	48.10 LB