• 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)	4.1875 in
Bore Type	Rough Bore
Bolt Type	Shrouded
Outside Diameter (in)	11 in
Model Name	1-5-7_FF
Material	Medium Carbon Steel
Fastener Quantity	12
Tooth Profile	Straight Faced Involute Hub tooth
Coupling Size	3.5
Rating HP @ 100 RPM	235
Coupling Type	Gear Coupling
Bolt Circle	9.28125 in
Lube/Non-Lube	Lubricated
Configuration	Full Flex
Overall Length (in)	8.5 in
Torque Rating (in-lb)	148,000 in/lbs
Measurement System	Imperial
Compatible Bore Size [Min] (in)	0 in
Speed Max (rpm)	6,000 rpm
Torque [Max] (in-lb)	296,000 in/lbs
Style	FASTS
Sleeve Type	Flanged
Bore Size Max (in)	3.75 in
Fastener Size	5/8 x 1 5/8

General Specifications

UPC	662384010046
Weight	114.36 LB