• 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

Material	Medium Carbon Steel
Length Through Bore (in)	8.75 in
Coupling Type	Gear Coupling
Rating HP @ 100 RPM	1,840
Tooth Profile	Straight Faced Involute Hub tooth
Bore Type	Finished Bore
Fastener Quantity	16
Max Bore w/standard key for Flex Hub	8 in
Outside Diameter (in)	20.75 in
Coupling Size	7
Bolt Type	Exposed
Lube/Non-Lube	Lubricated
Compatible Bore Size [Min] (in)	0 in
Compatible Bore Size Flex Hub [Min] (in)	3.5 in
Configuration	Flex Rigid
Speed Max (rpm)	3,000 rpm
Style	FASTS
Measurement System	Imperial
Torque Rating (in-lb)	1,160,000 in/lbs
Compatible Bore Size Rigid Hub [Min] (in)	4 in
Torque [Max] (in-lb)	2,320,000 in/lbs
Bore Size Max (in)	8 in
Fastener Size	1 x 3 5/8

General Specifications

UPC	662384011951
Weight	860.12 LB