• 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 Type	Gear Coupling
Tooth Profile	Straight Faced Involute Hub tooth
Material	Medium Carbon Steel
Fastener Quantity	6
Bore Type	Rough Bore
Rating HP @ 100 RPM	50
Outside Diameter (in)	7 in
Max Bore w/standard key for Flex Hub	2.125 in
Model Name	1-5-7_FR
Bolt Type	Exposed
Coupling Size	2
Length Through Bore (in)	2.28125 in
Compatible Bore Size Flex Hub [Min] (in)	0 in
Torque [Max] (in-lb)	63,000 in/lbs
Measurement System	Imperial
Speed Max (rpm)	9,300 rpm
Configuration	Flex Rigid
Style	FASTS
Lube/Non-Lube	Lubricated
Compatible Bore Size [Min] (in)	0 in
Torque Rating (in-lb)	31,500 in/lbs
Overall Length (in)	4.375 in
Sleeve Type	Flanged
Bore Size Max (in)	2.13 in
Fastener Size	1/2 x 2 1/4

General Specifications

UPC	662384010282
Weight	31.57 LB