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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 Complete Couplings - Inch (Imperial) Bores > Part Number 69790499303  
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Part Number 69790499303, SX-6 Type Complete Couplings - Inch (Imperial) Bores


    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 
SX90-6-CP-1.126X1.126-BSE=3.5

Bore Size  
1.126 & 1.126 in

Hub Style
Standard

Type
Disc Coupling

Material
Steel

Style
Bored

Weight
5.49 lb

Color
Metallic

Connection Type A x B 
1 1/8 x 1 1/8 in
28.575 x 28.575 mm

Coupling Series
SX-6

Coupling Type
Disc


Dimensional Data

Size
90-6

Hub 1 Keyway (W x D)
1/4 x 1/8 in

Hub 2 Keyway (W x D)
1/4 x 1/8 in

Length thru Bore
1.570 in
39.88 mm

Dimension FD
3.540 in
90.00 mm

Overall Length
6.640 in
134.00 mm

Max. Bore (Dimensions ID1/ID2)
1.5 in
38 mm

Dimension HD
2.280 in
58.00 mm

Dimension PW
0.295 in
7.49 mm

Dimension S
1.770 in
45 mm

Distance between Shaft Ends (Dimension BSE)
3.5 in
88.9 mm

Cubic inches
83.20982 in³


Performance Data

Temperature 
-40 to 450 ºF

Nominal Torque
2100 in·lb
240 N·m

Max. Torque
4200 in·lb
480 N·m

Max. Speed (Unbalanced)
9100 rpm

Max. Speed (Balanced)
22700 rpm

Axial Misalignment (+-D Ka) for couplings with TWO disc packs
0.059 in
1.50 mm

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

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

Rated Power at 100 rpm
3.50 hp
2.60 kW

Rated HP at 875 rpm (Standard Motor)
3.50 hp

Rated HP at 1,150 rpm (Standard Motor)
3.50 hp

Rated HP at 1,750 rpm (Standard Motor)
3.50 hp

Rated HP at 3,500 rpm (Standard Motor)
3.50 hp


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


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