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    The heart of the LF Series coupling is the flexible base element. This element allows the customer to make their own shaft hubs from steel bar stock or use existing hubs. Ideal for quick prototype testing, retrofit and high volume applications.
Unit of Measure

Notes

Notes 

 N/A
  • For Hytrel, dynamic torsional stiffness values are non-linear with respect to torque. Value given is for 100% of nominal torque.
  • Angular and parallel misalignment values are dependent on speed, and for rubber elements, should be adjusted according to figure 4. Hytrel® elements are only for applications where the driven component is piloted to the driver for SAE and DIN established alignments (i.e. Hydraulic pump flange-mounted to engine flywheel housing).
  • Hytrel® elements are only for applications where the driven component is piloted to the driver for essentially perfect alignment (hydraulic pump flange-mounted to engine housing).

Specifications

Description 

 N/A LF8X-ELE-ZY-W/HDWR

Coupling Size

 N/A LF8X

Coupling Type

 N/A Torsional

Material

 N/A Zytel®

Bore Type

 N/A Element w/ Hardware

Color

 N/A Black

Weight

 N/A 0.60 lb

Dimensional Data

Thread (Dimension T)

 N/A M10

Length thru Bore

 N/A 1.180 in29.97 mm

Cubic inches

 N/A 28.56355 in³

Performance Data

Normal Temperature Range

 N/A -40 to 300 ºF

Nominal Torque

 N/A 1060.00 in·lb120.00 N·m

Max. Torque

 N/A 2480.00 in·lb280.00 N·m

Max. Speed

 N/A 7000.00 rpm

Max. Angular Misalignment

 N/A 1.00 º

Max. Parallel Misalignment

 N/A 0.004 in0.10 mm

Dynamic Torsional Stiffness

 N/A 46820.00 Nm/rad

Dynamic Torsional Stiffness

 N/A 414370.00 in·lb/rad

Max. Axial Misalignment (End Float)

 N/A ± 0.02 in± 0.5 mm

Torsional Element Specifications

Torsional Element Specifications

 N/A
    Elements made of DuPont’s highly stress able Zytel® elastomeric compound have excellent chemical compatibility and corrosion resistance. The element composition is 3-times stiffer then Hytrel® elements. Zytel® elements exhibit less than 1° wind up at normal torque and zero backlash. Most suited for applications where heat, moisture, high torque / high speed, and corrosion resistance are critical factors in the coupling selection.
  • Operating Temperature Range: -40° to 300° F
  • Maximum Angular Misalignment: 1°

Features

Features 

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  • Wide range of standard designs and materials
  • Application versatility
  • Shaft to shaft or flywheel to shaft designs
  • Designed to accommodate substantial shock loads, vibration, and misalignment
  • Low moment of inertia
  • Electrically insulating
  • No lubrication, maintenance free
  • Unique air-flow cooling design
  • Different element stiffness values allow for torsional tuning of applications with diesel engines
  • Economic design allows for cost effective solutions for torsional applications
  • Proven L-LOC spline-clamping hub virtually eliminates spline shaft profile wear and “fretting”
  • Oil, heat, and corrosion resistant elements (Hytrel®, Zytel®)
  • When used with S-bolts, the coupling can accommodate some end float
  • S-bolts accommodate applications requiring “blind” assembly
  • Model 6 unique spacer designs span gaps between equipment in excess of the normal equipment separation
  • Model 6 design available with bearings for high speeds and large amounts of equipment separation
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