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  • A complete Jaw In-Shear coupling is composed of two standard Lovejoy L or C Type hubs (find under Jaw section), a Jaw In-Shear 6 Pin Urethane Element, and a Jaw In-Shear 6 Pin Ring. (Spacers are also available for sizes LS090-CS350.)
  • For highly corrosive, heavy wash down environments, the JIS 6 Pin design combined with Lovejoy’s stainless steel jaw hubs creates a fully stainless steel/urethane coupling.
Unit of Measure




Coupling Size

N/A LS190

Ring Material

N/A Stainless Steel


N/A Jaw In Shear Spider & Ring

Number of Pieces

N/A 2


N/A 1.82 lb

Complete Coupling Weight

N/A 14.60 lb

Coupling Type

N/A Jaw In-Shear

Dimensional Data


N/A 5.500 in


N/A 5.500 in


N/A 5.820 in

Cubic inches

N/A 176.05500 in³

Dimensional Data of Related Coupling

Overall Length

N/A 5.820 in147.83 mm

Min. Bore (Dimensions ID1/ID2)

N/A 0.750 in19.00 mm

Max. Bore (Dimensions ID1/ID2)

N/A 2.125 in5.00 mm

Length thru Bore (Dimensions LTB1/LTB2)

N/A 1.940 in49.28 mm

Outside Diameter

N/A 4.50 in114.30 mm

Thread (Dimension T)

N/A 1/2-13

Dimension G

N/A 1.940 in49.28 mm

Dimension HD

N/A 4.000 in101.60 mm

Dimension W

N/A 1.710 in43.43 mm

Performance Data of Related Coupling

Max. Speed

N/A 4300.00 rpm

Coupling Nominal Torque

N/A 2920.00 in·lb

Max. Torque

N/A 5830.00 in·lb

Kit Contains

Kit Contains

  • (1) Jaw-In Shear Spider
  • (1) Jaw-In Shear Ring
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