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    The SX Type is the standard coupling type that includes two hubs, a stock length spacer designed to meet industry standard lengths, and two unitized disc packs. The coupling has two flex planes, one at each disc pack, allowing this coupling to accommodate parallel, angular, and axial misalignment with specified limits. The coupling is available in 4, 6, and 8 bolt designs and bore sizes up to 13 inches (330mm) on the largest size. Custom spacer lengths can be manufactured to meet special shaft separations required for specific applications. The SX coupling can be fitted with overload bushings to protect the disc packs in over torque conditions and can act as an anti-flail device. SX couplings are assembled at the time of installation on the equipment where the coupling will be in service.
Unit of Measure

Notes

Disclaimer

 N/A Lovejoy: CAD Models are accurate envelope dimensions only. Features such as bore size and keyway are not rendered or are only representative. Contact Lovejoy Technical Support or refer to product catalogs for details.

Specifications

Description 

 N/A SX158-6 1-3/4X2-1/4 BSE=5"

Hub Style

 N/A Standard

Type

 N/A Disc Coupling

Material

 N/A Steel

Style

 N/A Bored

Weight

 N/A 25.496 lb

Color

 N/A Metallic

Coupling Series

 N/A SX-6

Coupling Type

 N/A Disc

Dimensional Data

Size

 N/A 158-6

Hub 1 Keyway (W x D)

 N/A 1-3/4 x 2-1/4 in

Hub 2 Keyway (W x D)

 N/A 1-3/4 x 2-1/4 in

Length thru Bore

 N/A 2.76 in70.1 mm

Dimension FD

 N/A 6.22 in158.00 mm

Overall Length

 N/A 10.40 in264 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 2.76 in70 mm

Dimension HD

 N/A 3.86 in98 mm

Dimension PW

 N/A 0.441 in11.2 mm

Dimension S

 N/A 4.000 in102 mm

Distance between Shaft Ends (Dimension BSE)

 N/A 11.19 in

Performance Data

Temperature 

 N/A -40 to 450 ºF

Nominal Torque

 N/A 17700 in·lb2000 N·m

Max. Torque

 N/A 35400 in·lb4000 N·m

Max. Speed (Unbalanced)

 N/A 4920 rpm

Max. Speed (Balanced)

 N/A 12300 rpm

Axial Misalignment (+-D Ka) for couplings with TWO disc packs

 N/A 0.122 in3.1 mm

Max. Angular Misalignment (per single disc pack)

 N/A 1.50 º

Features

Features 

 N/A
  • Unitized disc pack
  • Infinite life when properly sized and aligned
  • Accommodates angular, axial, and parallel misalignment
  • Torsionally rigid without any back lash
  • No need for lubrication or maintenance
  • No wearing parts and high resistance to harsh environmental conditions
  • Overload Bushings are available
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