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F Type Flex Sleeves (with O-Ring)

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

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

The FFR Type coupling consists of one flex hub, one rigid hub, one 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 FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.
Unit of Measure

Specifications

Description 

 N/A F-4.5S-SLEEVE-W/O-RING

Hub Style

 N/A Shrouded Bolt

Type

 N/A Sleeves

Material

 N/A 1045 Steel

Color

 N/A Metallic

Style

 N/A Shrouded Bolt Sleeve

Application

 N/A Driver and Driven

Weight

 N/A 42.00 lb

Complete Coupling Weight

 N/A 250.00 lb

Dimensional Data

Size 

 N/A 4 1/2 in

Length thru Bore

 N/A 5.310 in134.87 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 6.496 in165 mm

Distance between Shaft Ends (Dimension BSE)

 N/A 0.31 in7.87 mm

Dimension AD

 N/A 5.500 in139.70 mm

Dimension D

 N/A 10.380 in263.65 mm

Dimension FD

 N/A 13.63 in346.20 mm

Cubic inches

 N/A 986.47534 in³

Performance Data

Max. Speed (Unbalanced)

 N/A 2700 rpm

Max. Speed (Balanced)

 N/A 4050.00 rpm

Torque

 N/A 302400 in·lb

Max. Angular Misalignment (per Gear Mesh)

 N/A 1.50 º

Parallel Misalignment

 N/A 0.175 in

Features

Features 

 N/A
  • 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 

 N/A
  • 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 9.
  • 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.
  • Bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
  • For metric bores and keyway tolerances, consult Lovejoy Engineering Section.
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