• 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

Fastener Quantity	6
Model Name	1-5-7_FF
Coupling Size	2
Outside Diameter (in)	7 in
Bolt Type	Exposed
Material	Medium Carbon Steel
Length Through Bore (in)	2.4375 in
Bore Type	Rough Bore
Coupling Type	Gear Coupling
Tooth Profile	Straight Faced Involute Hub tooth
Rating HP @ 100 RPM	50
Bolt Circle	5.875 in
Torque Rating (in-lb)	31,500 in/lbs
Measurement System	Imperial
Configuration	Full Flex
Overall Length (in)	4.9375 in
Lube/Non-Lube	Lubricated
Speed Max (rpm)	9,300 rpm
Torque [Max] (in-lb)	63,000 in/lbs
Compatible Bore Size [Min] (in)	0 in
Style	FASTS
Hub Diameter (in)	4.812 in
Temperature Range	-40 to +190 °F
Features	Exposed Bolt / Full Flex Coupling
Sleeve Type	Flanged
Maximum Operating Angular Misalignment	0.5 °
Performance	Lubrication Hole
Includes	Hubs (2) Sleeves (2) Seals (2)
Bore Size Max (in)	2.13 in
Fastener Size	1/2 x 2 1/4

General Specifications

UPC	662384010091
Weight	29.53 LB