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    Note: SX Type Hubs are interchangeable for both the SU and SX style disc couplings (but not SXC style).
    The SU Type coupling has a single flex plane, and is comprised of a single disc pack kit with two hubs. It is suitable for angular and axial misalignment only. Two SU couplings are often combined with a shaft to make a floating shaft coupling. The shaft can be hollow for long light weight floating shaft couplings.
    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
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Unit of Measure

Notes

Disclaimer

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 

SX302-6-HUB-100MMP7-28X6.4MMKW

Hub Style

Standard

Type

Disc Coupling Hubs

Hub Material

AISI 1045

Style

Bored

Color

Metallic

Coupling Series

SX-6

Coupling Type

Disc

Weight

64.16 lb

Weight (Complete Coupling w/ Max. Bores)

163.10 lb74.00 Kg

Dimensional Data

Bore Size

100.00 mm

Size

302-6

Set Screw Size

No Setscrew

Keyway Size (W x D)

28 x 6.4 mm

Length thru Bore

5.320 in135.13 mm

Overall Length (for SX Type coupling)

19.890 in505.00 mm

Max. Bore (Dimensions ID1/ID2)

5.310 in135.00 mm

Dimension FD

11.890 in302.00 mm

Dimension HD

7.480 in190.00 mm

Dimension PW

0.961 in24.41 mm

Dimension S

7.330 in186.00 mm

Distance between Shaft Ends (Dimension BSE)

9.250 in235.00 mm

Cubic inches

752.09957 in³

Performance Data

Nominal Torque

177000 in·lb20000 N·m

Max. Torque

354000.00 in·lb40000.00 N·m

Max. Speed (Unbalanced)

2560.00 rpm

Max. Speed (Balanced)

6400.00 rpm

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

0.224 in5.70 mm

Max. Angular Misalignment (per single disc pack)

1.00 º

Torsional Stiffness x 10^6 (of one disc pack)

84.00 in·lb/rad9.50 Nm/rad

Rated Power at 100 rpm

281.10 hp209.60 kW

Features

Features 

  • 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