• 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

Coupling Size	5
Outside Diameter (in)	15.3125 in
Coupling Type	Gear Coupling
Material	Medium Carbon Steel
Tooth Profile	Straight Faced Involute Hub tooth
Fastener Quantity	8
Rating HP @ 100 RPM	700
Length Through Bore (in)	5.6875 in
Max Bore w/standard key for Flex Hub	5.5 in
Bore Type	Rough Bore
Model Name	1-5-7_FR
Bolt Type	Exposed
Style	FASTS
Lube/Non-Lube	Lubricated
Compatible Bore Size Flex Hub [Min] (in)	3.25 in
Speed Max (rpm)	4,300 rpm
Compatible Bore Size [Min] (in)	0 in
Configuration	Flex Rigid
Torque [Max] (in-lb)	882,000 in/lbs
Measurement System	Imperial
Torque Rating (in-lb)	441,000 in/lbs
Compatible Bore Size Rigid Hub [Min] (in)	3 in
Overall Length (in)	11.875 in
Sleeve Type	Flanged
Fastener Size	7/8 x 4 1/4
Bore Size Max (in)	5.5 in

General Specifications

UPC	662384010343
Weight	356.36 LB