• All-metal end ring seal design for maximum service life. The industry standard for over 75 years.

Technical Specifications

Hub Diameter (in)	5.75 in
Torque Rating (in-lb)	69,300 in/lbs
Bore Type	Finished Bore
Tooth Profile	Straight Faced Involute Hub tooth
Speed Max (rpm)	6,800 rpm
Length Through Bore (in)	2.90625 in
Coupling Type	Gear Coupling
Coupling Size	3
Fastener Quantity	8
Bolt Circle	15 in
Outside Diameter (in)	8.375 in
Configuration	Flex Rigid
Sleeve Type	Flanged
Material	Medium Carbon Steel
Bolt Type	Exposed
Model Name	Model_B1-3-5FR
Style	FASTS Model B
Measurement System	Imperial
Lube/Non-Lube	Lubricated
Overall Length (in)	6.25 in
Torque [Max] (in-lb)	138,600 in/lbs
Rating HP @ 100 RPM	110
Compatible Bore Size Rigid Hub [Min] (in)	1.375 in
Bore Size Max (in)	4.78 in
Fastener Size	0.5

General Specifications

UPC	662384011616
Weight	114.67 LB