• 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
Outside Diameter (in)	12.5 in
Coupling Size	4
Length Through Bore (in)	4.75 in
Bore Type	Finished Bore
Bolt Circle	11 in
Fastener Quantity	8
Bolt Type	Exposed
Rating HP @ 100 RPM	375
Tooth Profile	Straight Faced Involute Hub tooth
Material	Medium Carbon Steel
Lube/Non-Lube	Lubricated
Overall Length (in)	9.75 in
Compatible Bore Size [Min] (in)	2.625 in
Style	FASTS
Torque [Max] (in-lb)	472,000 in/lbs
Speed Max (rpm)	5,260 rpm
Configuration	Full Flex
Measurement System	Imperial
Torque Rating (in-lb)	236,000 in/lbs
Fastener Size	3/4 x 3 3/8
Bore Size Max (in)	4.25 in

General Specifications

UPC	662384011333
Weight	180.00 LB
Packaged Length	32.00 IN
Packaged Width	38.50 IN
Packaged Height	13.50 IN