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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Jaw Couplings > AL Type (Aluminum Jaw) Components > AL Type Hubs without Keyway - Inch (Imperial) Bores > Part Number 68514410791  
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Part Number 68514410791, AL Type Hubs without Keyway - Inch (Imperial) Bores


  • The AL Type coupling consists of two standard AL Type hubs and one spider (find under L Type components, or the AL section for AL150).
  • Unless stated otherwise, hub torque and horsepower ratings assume a SOX(NBR) rubber spider is being used.



Unit of Measure: Imperial Metric Both

Notes  · Specifications  · Dimensional Data  · Performance Data  · Spider Performance  · 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.

Notes 
  • Lovejoy does not recommend reboring AL hubs.
  • All hubs are supplied standard with one set screw, except the AL150 which is provided with two set screws.


Specifications

Description 
AL090-HUB-1/4-NKW

Hub Style
2

Coupling Type
Jaw

Material
Aluminum

Color
Silver

# of Jaws
3

Elastomeric Member
SOX (NBR) Rubber

Weight
0.25 lb

Weight - Solid
0.40 lb

Weight - Solid
0.50 lb


Dimensional Data

Bore Size 
1/4 in

Coupling Size
AL090

Thread (Dimension T)
1/4-20

Keyway Size (W x D)
No Keyway

Length thru Bore
0.910 in
23.11 mm

Overall Length
2.340 in
59.44 mm

Min. Bore (Dimensions ID1/ID2)
0.250 in
13.00 mm

Max. Bore (Dimensions ID1/ID2)
0.875 in
22.00 mm

Hub Length
1.430 in
36.32 mm

Dimension G
0.52 in
13.21 mm

Dimension HD
1.530 in
38.86 mm

Dimension SL
0.340 in
8.64 mm

Cubic inches
6.42699 in³


Performance Data

Nominal Torque
144 in·lb

Max. Speed
9000.00 rpm

Moment of Inertia (Solid) WR2
0.271 lb·in²

Rated HP at 100 rpm
0.23 hp

Rated HP at 1,200 rpm
2.76 hp

Rated HP at 1,800 rpm
4.11 hp

Rated HP at 3,600 rpm
8.28 hp


Spider Performance
  • Nitrile Butadiene (Buna N) Rubber is a flexible elastomer material that is oil resistant, resembles natural rubber in resilience and elasticity and operates effectively in temperature range of -40° to 212° F (-40° to 100° C). Good resistance to oil. Standard elastomer. (Also applies to SXB Cushions.)




Features

Features 
  • Interchangeable with all hub sizes standard for the L-Line and AL-Line products
  • Available in a variety of different finished bore and keyway combinations
  • Finished bores passivated for additional rust protection



 DOWNLOADS 

Jaw Type Catalog (pdf catalog)

Installation Instructions for Jaw Type Couplings

Installation Video for Jaw Type Couplings


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