• The SS Type coupling consists of two standard SS Type hubs and one spider (find under L Type components).
  • Unless stated otherwise, hub torque and horsepower ratings assume a SOX(NBR) rubber spider is being used.
Unit of Measure



N/A SS100 HUB 1-1/4 1/4X1/8KW

Coupling Type

N/A Jaw


N/A Stainless Steel


N/A Metallic

Bore Type

N/A Finished Bore


N/A 1.60 lb

Dimensional Data

Bore Size 

N/A 1 1/4 in

Coupling Size

N/A SS100

Thread (Dimension T)

N/A 5/16-18

Keyway Size (W x D)

N/A 1/4 x 1/8 in

Length thru Bore

N/A 1.38 in35.052 mm

Outside Diameter

N/A 2.54 in64.516 mm

Min. Bore (Dimensions ID1/ID2)

N/A 0.437 in11.10 mm

Max. Bore (Dimensions ID1/ID2)

N/A 1.375 in34.93 mm

Hub Length

N/A 2.09 in53.086 mm

Dimension G

N/A 0.71 in18.034 mm

Cubic inches

N/A 13.48384 in³