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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Disc Couplings > SX Type (Two Disc Pack) > SX-6 Type Hubs - Rough Stock Bore > Part Number 69790491447  
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Part Number 69790491447, SX-6 Type Hubs - Rough Stock Bore


    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 will be in service.



Unit of Measure: Imperial Metric Both

Notes  · Specifications  · Dimensional Data  · Performance Data  · Features

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 
SX185-6-HUB-RSB

Hub Style
Standard

Type
Disc Coupling Hubs

Hub Material
AISI 1045

Style
Unbored

Color
Metallic

Bore Type
Rough Stock Bore

Coupling Series
SX-6

Coupling Type
Disc

Weight
16.56 lb

Weight (Complete Coupling w/ Max. Bores)
33.10 lb


Dimensional Data

Size
185-6

Set Screw Style Coupling Size (Dimension T)
No Setscrew

Length thru Bore
3.15 in
80.01 mm

Overall Length (for an SX Style coupling)
11.800 in
300.00 mm

Max. Bore
3.13 in
80 mm

Dimension FD
7.280 in
185.00 mm

Dimension HD
4.41 in
112 mm

Dimension PW
0.551 in
14.00 mm

Dimension S
4.400 in
112.00 mm

Distance between Shaft Ends (Dimension BSE)
5.5 in
140.00 mm

Cubic inches
166.94496 in³


Performance Data

Nominal Torque
29200 in·lb

Max. Torque
58400 in·lb

Max. Speed (Unbalanced)
4200 rpm

Max. Speed (Balanced)
10500 rpm

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

Max. Angular Misalignment (per single disc pack)
1.50 º

Torsional Stiffness x 10^6 (of one disc pack)
11.50 in·lb/rad

Rated Power at 100 rpm
46.30 hp
34.50 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



 DOWNLOADS 

Disc Coupling Catalog
(PDF, 0KB)

SX-6 Bolt Design Installation Instructions
(PDF, 0KB)

SX-6 Bolt Design Installation Video

SU Type Disc Coupling Installation Guide
(PDF, 0KB)

SU Type Disc Coupling Installation Video


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