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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Gear Type Couplings > SIER-BATH® Gear Couplings > Flanged Sleeve Gear Couplings > FA Type (Alloy Steel) Flex Sleeves (with Seal) > Part Number 69790403978  
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Part Number 69790403978, FA Type (Alloy Steel) Flex Sleeves (with Seal)


FA Type (Alloy Steel) Flex Sleeves (with Seal)

For use with FA (Alloy Steel) Flex-Flex couplings.

The FA Type coupling provides a higher nominal torque value than standard F Type couplings, and consists of two FA Type flex hubs, two FA Type sleeves (with seals) and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).



Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
FA-3E-SLEEVE-W/SEAL

Hub Style
Exposed Bolt

Type
Sleeves

Material
Alloy Steel

Color
Metallic

Style
Alloy Steel Exposed Bolt Sleeve

Application
Driver and Driven

Weight
15.03 lb

Complete Coupling Weight
80.00 lb


Dimensional Data

Size 
3 in

Max. Bore (Dimensions ID1/ID2)
4.213 in
107 mm

Length thru Bore
3.590 in
91.19 mm

Distance between Shaft Ends (Dimension BSE)
0.19 in
4.83 mm

Dimension AD
8.130 in
206.50 mm

Dimension D
6.840 in
173.74 mm

Dimension FD
9.44 in
239.78 mm

Cubic inches
319.91782 in³


Performance Data

Max. Speed (Unbalanced)
4000 rpm

Max. Speed (Balanced)
6000.00 rpm

Nominal Torque
118000 in·lb

Max. Angular Misalignment (per Gear Mesh)
1.50 º

Parallel Misalignment
0.115 in


Features

Features 
  • Molded seals maintain proper lubricant retention during misalignment conditions
  • AISI 4140 Alloy Steel Construction
  • Patented Vari-Crown® tooth form for long life
  • Standard 20° pressure angle
  • Heat treated bolts for greater strength
  • Corrosion resistant bolts and nuts for ease of maintenance
  • Provides parallel, angular misalignment and end float
  • Flex Half coupling interchangeable with industry standards


Notes

Notes 
  • Exposed Bolt Design is standard.
  • Shrouded Bolt Design available upon request for sizes 1 through 5.5.
  • Puller Holes are standard on sizes 4 through 7.
  • Puller Holes are available for sizes 1 through 3.5 at an additional charge.
  • Interference bores with no set screws are standard unless otherwise specified.
  • Inch bore and keyway tolerances conform to AGMA 9002-B04.
  • For metric bore and keyway tolerances, consult Lovejoy Engineering Section.


 MORE IMAGES 

·  F Type Flanged Sleeve Cut Away


 DOWNLOADS 

Gear Coupling Product Catalog

F & FA Type Installation Instructions
(PDF, 0KB)


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