• Crowned tooth tips for piloting.
• 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

Length Through Bore (mm)	131.7625 mm
Length Through Bore (in)	5.1875 in
Size Code	4
Model	FASTS
Max Bore w/standard key for Flex Hub	4.25 in
Component Type	Medium Slide Flex Hub
Material	Carbon Steel
Coupling Size	4
Measurement System	Imperial
Coupling Type	Gear Coupling
Lube/Non-Lube	Lubricated
Hub Diameter (in)	5.75 in
Sleeve Outside Diameter (in)	12.5 in
Speed Max (rpm)	5,260 rpm
Bore Type	Rough Bore
Outside Diameter (in)	12.5 in
Torque Rating (in-lb)	236,000 in/lbs
Tooth Profile	Straight
Configuration	Full Flex
Bore Size Max (in)	4.25 in

General Specifications

UPC	662384978797
Weight	41.80 LB
Packaged Length	8.80 IN
Packaged Width	8.60 IN
Packaged Height	7.40 IN
HTC	8483.90.8010
Country of Origin	Mexico