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SAGA 18 DONUT W/HDWE

BRAND: LoveJoy | MODEL: 68514422149 | CONDITION: NEW | SKU: 238252
SAGA 18 DONUT W/HDWE

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$185.35
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Weight: 3.16 lbs UOM: EA
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Additional Description

Documents

Description

  • Saga is a general purpose, torsionally soft coupling with high tolerance to all forms of misalignment. The design features hexagonal or octagonal rubber donut-shaped elements with metal inserts positioned at each apex during the vulcanization process. These metal inserts carry actual bolts which fix the element to tines on cast, cylindrical hubs. Embedded inserts also have tines which connect with mating surfaces on hubs so that axial bolts can be easily torqued during assembly without twisting the rubber beyond the limits of its elasticity. The rubber between each apex is pre-compressed, so it is much more durable to the stresses arising from the various forms of misalignment and torsional vibrations.
  • Note: A complete Saga coupling is comprised of 2 hubs, an elastomeric donut, and hardware.
Specifications
Description  SAGA 18 DONUT W/HDWE
Coupling Type Torsional
Material Natural Rubber
Type Flexible
Color Black
Insert Style Donut Type
# of Bolts 6
Weight 3.16 lb
Complete Coupling Weight 17.00 lb
Dimensional Data
Bolt Size 1/2-13 x 3
Cubic inches 71.38350 in³
Dimensional Data of Related Coupling
Coupling S18
Set Screw Thread Size (Dimension T) No Setscrew
Outside Diameter 6.280 in
Overall Length 7.440 in
Max. Bore (Dimensions ID1/ID2) 2.225 in57.00 mm
Dimension BC 4.560 in115.82 mm
Dimension HD 3.440 in
Dimension L 1.810 in45.97 mm
Dimension W 1.810 in45.97 mm
Performance Data
Normal Temperature Range -60 to 200 ºF
Bolt Grade # 5
Performance Data of Related Coupling
Rated Torque at 1.0 SF 2000.00 in·lb
Max. Shock Load 6000.00 in·lb
Recommended Torque (Wet) 55.00 ft·lb
Recommended Torque (Dry) 75.00 ft·lb
Max. Speed 5600.00 rpm
Dynamic Torsional Stiffness 200.00 in·lb/deg11459.00 in·lb/rad
Specific Torsional Stiffness 5.73 in·lb/rad
Moment of Inertia WR2 40.000 lb·in²
Rated Torque for 1.0 Service Factor 2000.0000 in·lb
Rated HP at 100 rpm for 1.0 Service Factor 3.17 hp
Coupling Design
  • Saga is a general purpose, torsionally soft coupling with high tolerance to all forms of misalignment. The design features hexagonal or octagonal rubber donut-shaped elements with metal inserts positioned at each apex during the vulcanization process. These metal inserts carry actual bolts which fix the element to tines on cast, cylindrical hubs. Embedded inserts also have tines which connect with mating surfaces on hubs so that axial bolts can be easily torqued during assembly without twisting the rubber beyond the limits of its elasticity. The rubber between each apex is precompressed, so it is much more durable to the stresses arising from the various forms of misalignment and torsional vibrations. While the Saga coupling is normally associated with shaft-to-shaft applications, adaptations for flange and flywheel mountings can be made. In addition, a floating shaft version for use in lieu of a universal joint drive shaft with separate torsional coupling is available. Its elements can also be stacked in series for use in applications with extreme transient or permanent parallel misalignment, or where torsional dynamics demand an extremely soft element for proper damping and/or vibratory decoupling. The rubber’s stiffness of 60 as measured against Shore A by durometer, covers the majority of such situations.
Features
  • No end thrust in misalignment position
  • Absorbs misalignment and shock
  • No axial reaction force to damage or accelerate wear in system bearings
  • Accepts constant angular misalignment of up to 3°
  • Parallel tolerance of 0.060 (1.5mm), while reaction force remains low
  • Lateral softness without complication, or sacrifice of performance or durability
  • Natural rubber can operate in temperatures from -60° to 200° F (-51° to 93° C)
Notes
  • For applications requiring simultaneous angular and parallel misalignment, consult Lovejoy Engineering to ensure that heat generated from all three forms of stress do not exceed the coupling’s ability to dissipate heat.
  • For higher speeds, balancing may be necessary.
  • Standard bores available by 1/16 inch increments.
  • Some metric sizes also available as standard.