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  • BRAND:
  • SKU: 1796917
  • MODEL: 68514410253

AL050 HUB 5/16 N/KW

$3.30 Each


  • Typically ships in: 1 day
  • Weight: 0.1 lb
  • Free shipping on orders over $20

Select Quantity (minimum 20)

Additional Description

  • 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.
Description AL050 HUB 5/16 N/KW
Hub Style1
Coupling TypeJaw
# of Jaws2
Elastomeric MemberSOX (NBR) Rubber
Weight0.06 lb
Weight - Solid0.20 lb
Weight - Solid0.20 lb
Dimensional Data
Bore Size 5/16 in
Coupling SizeAL050
Thread (Dimension T)1/4-20
Keyway Size (W x D)No Keyway
Length thru Bore0.620 in15.75 mm
Overall Length1.710 in43.43 mm
Min. Bore (Dimensions ID1/ID2)0.250 in6.00 mm
Max. Bore (Dimensions ID1/ID2)0.625 in16.00 mm
Hub Length1.100 in27.94 mm
Dimension G0.480 in12.19 mm
Dimension HD1.080 in27.43 mm
Dimension SL0.310 in7.87 mm
Cubic inches1.28304 in³
Performance Data
Nominal Torque26.30 in·lb
Max. Speed18000 rpm
Moment of Inertia (Solid) WR20.020 lb·in²
Rated HP at 100 rpm0.04 hp
Rated HP at 1,200 rpm0.50 hp
Rated HP at 1,800 rpm0.75 hp
Rated HP at 3,600 rpm1.51 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.)
  • 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
  • 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.


Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may applied to any return with this manufacturer.

For more information please consult


Product's availability

State of California Proposition 65 Product Warning