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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

Specifications

Description 

AL075-HUB-20MMH7-NKW

Hub Style

2

Coupling Type

Jaw

Material

Aluminum

Color

Silver

# of Jaws

3

Elastomeric Member

SOX (NBR) Rubber

Weight

0.16 lb

Weight - Solid

0.30 lb

Weight (Complete Coupling w/ Max. Bores)

0.40 lb

Dimensional Data

Bore Size

20 in20.00 mm

Coupling Size

AL075

Keyway Size (W x D)

No Keyway

Length thru Bore

0.810 in20.57 mm

Overall Length

2.12 in53.85 mm

Min. Bore (Dimensions ID1/ID2)

0.250 in6 mm

Max. Bore (Dimensions ID1/ID2)

0.875 in22.00 mm

Hub Length

1.310 in33.27 mm

Dimension G

0.5 in12.7 mm

Outside Diameter

1.530 in38.86 mm

Dimension SL

.31 in7.87 mm

Cubic inches

4.01188 in³

Performance Data

Nominal Torque

90.00 in·lb10.17 N·m

Max. Speed

11000.00 rpm

Moment of Inertia (Solid) WR2

0.121 lb·in²

Rated HP at 100 rpm

.14 hp

Rated HP at 1,200 rpm

1.68 hp

Rated HP at 1,800 rpm

2.57 hp

Rated HP at 3,600 rpm

5.04 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.)

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

Notes

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.