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  • 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



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.


  • 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.



N/A AL100 HUB 15MM 5X2.3MM KW

Hub Style

N/A 1

Coupling Type

N/A Jaw


N/A Aluminum


N/A Silver

# of Jaws

N/A 3

Elastomeric Member

N/A SOX (NBR) Rubber


N/A 0.56 lb

Weight - Solid

N/A 1.10 lb

Weight (Complete Coupling w/ Max. Bores)

N/A 1.50 lb

Dimensional Data

Bore Size

N/A 15 mm

Coupling Size

N/A AL100

Keyway Size (W x D)

N/A 5 x 2.3

Length thru Bore

N/A 1.370 in34.80 mm

Overall Length

N/A 3.50 in88.90 mm

Min. Bore (Dimensions ID1/ID2)

N/A 0.500 in13.00 mm

Max. Bore (Dimensions ID1/ID2)

N/A 1.375 in35.00 mm

Hub Length

N/A 2.120 in53.85 mm

Dimension G

N/A 0.750 in19.05 mm

Outside Diameter

N/A 2.53 in64.3 mm

Dimension SL

N/A 0.440 in11.18 mm

Cubic inches

N/A 13.56991 in³

Performance Data

Nominal Torque

N/A 417.00 in·lb47.11 N·m

Max. Speed

N/A 7000.00 rpm

Moment of Inertia (Solid) WR2

N/A 1.207 lb·in²

Rated HP at 100 rpm

N/A 0.66 hp

Rated HP at 1,200 rpm

N/A 7.92 hp

Rated HP at 1,800 rpm

N/A 11.90 hp

Rated HP at 3,600 rpm

N/A 23.76 hp

Spider Performance

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.)



  • 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
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