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The Low Inertia Clutch (LIC) is well-suited for high-cycle applications, such as steel shears and stamping presses. The LIC design reduces the rotational mass during starts and stops, allowing for increased cycles per minute and reduced deceleration times. This advantage also lends to reduced heat generation.
Unit of Measure

Specifications

Brands

 N/A WPT®
Static Torque at 100 Pounds per Square Inch (psi) (7 Bar) Pressure1 N/A 8930000 lbf·in1010000 N·m

Maximum Slip Speed

 N/A 480 rpm

Lining Area

 N/A 11000 in²70000 cm²

Maximum Speed

Maximum Speed Complete Clutch

 N/A 490 rpm

Maximum Speed Hub and Center Plate

 N/A 570 rpm

Weight and Inertia

Total Weight

 N/A 12000 lb5300 kg

Total Inertia

 N/A 57000 lb·ft²2400 kg·m²

Hub and Center Plate Weight

 N/A 5000 lb2300 kg

Hub and Center Plate Inertia

 N/A 13000 lb·ft²540 kg·m²

Dimensions

Minimum Bore Range2 N/A 10.00 in254.0 mm
Maximum Bore Range3 N/A 18.90 in480.1 mm

Dimension - A (Imperial Mounting)

 N/A 70.500 in1790.70 mm

Dimension - A Tolerance (Imperial Mounting)

 N/A +0.000 in-0.003 in+0.00 mm-0.08 mm

Dimension (B) Hole Circle (Imperial Mounting)

 N/A 66.50 in1689.1 mm

Dimension (B) Diameter (Imperial Mounting)

 N/A 2 Inch (in)-4.5 Normally Closed (NC)

Quantity (Imperial Mounting)

 N/A 24

Dimension - C (Imperial Mounting)

 N/A 62.750 in1593.85 mm

Dimension - C Tolerance (Imperial Mounting)

 N/A +0.003 in-0.000 in+0.08 mm-0.00 mm

Dimension - A Tolerance (Metric Mounting)

 N/A +0.00 mm-0.08 mm

Dimension - A (Metric Mounting)

 N/A 1790.00 mm

Dimension (B) Hole Circle (Metric Mounting)

 N/A 1689.0 mm

Dimension (B) Diameter (Metric Mounting)

 N/A 2 Inch (in) -4.5 Normally Closed (NC)

Quantity (Metric Mounting)

 N/A 24

Dimension (C) H7 (Metric Mounting)

 N/A 1590.00 mm

Dimension - D

 N/A 70-1/2 in1790.7 mm

Dimension -E (Ventilated Center Plate)

 N/A 22-5/8 in575 mm

Dimension - F

 N/A 2-3/8 in60.3 mm

Features

Features

 N/A
  • High cycle life
  • Predictable preventative maintenance
  • Available in hydraulic or pneumatic actuation
  • Solid, slotted, or ventilated center plates options
  • Available with Full Marine Corrosion Protection package
  • Compatible with the Power Performance LI upgrade

Note

Note

 N/A Shipped without backplate.
  • 1 Dynamic (slipping) Torque is 75% of the Static Torque.
  • 2 Contact WPT® for larger bore sizes. Listed bore sizes are for square key.
  • 3 Contact WPT® for larger bore sizes. Listed bore sizes are for square key.