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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 > FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves > Part Number 69790491072  
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Part Number 69790491072, FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves


FLA Type (Flex-Flex All-Metal Labyrinth Seal) Flex Sleeves

For use with FLA (Flex-Flex All-Metal Labyrinth Seal) and FLAFR (Flex-Rigid All-Metal Labyrinth Seal) couplings.

The FLA Type coupling consists of two special FLA Type flex hubs, two FLA sleeves 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 FLA Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FLAFR Type coupling consists of one special FLA flex hub, one FA rigid hub, one FLA flex sleeve, 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 FLAFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).



Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
FLA-1.5E-SLEEVE

Hub Style
Exposed Bolt

Max. Bore - Standard Keyway (Dimensions ID1/ID2)
1.625 in
41 mm

Type
Sleeves

Material
All Metal

Style
Labryrinth Seal Exposed Bolt Sleeve

Application
Driver and Driven

Weight
5.73 lb

Complete Coupling Weight
17.60 lb


Dimensional Data

Size 
1 1/2 in

Length thru Bore
1.940 in
49.28 mm

Puller Hole Size
1/4-20

Distance between Shaft Ends (Dimension BSE)
0.13 in
3.30 mm

Dimension D
3.970 in
100.84 mm

Center Line to Center Line of Teeth
3.250 in
82.55 mm

Dimension FD
6.00 in
152.40 mm

Dimension W
1.500 in
38.10 mm

Cubic inches
69.84000 in³


Performance Data

Max. Speed (Unbalanced)
12000 rpm

Max. Speed (Balanced)
18000 rpm

Nominal Torque
15000.00 in·lb

Max. Angular Misalignment (per Gear Mesh)
1.50 º

Parallel Misalignment
0.028 in


Features

Features 
  • All-Metal Labyrinth Seals
  • 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.
  • 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.



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