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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 2250000 lbf·in254000 N·m

Maximum Slip Speed

 N/A 555 rpm

Lining Area

 N/A 4100 in²26000 cm²

Maximum Speed

Maximum Speed Complete Clutch

 N/A 660 rpm

Maximum Speed Hub and Center Plate

 N/A 830 rpm

Weight and Inertia

Total Weight

 N/A 3700 lb1700 kg

Total Inertia

 N/A 9200 lb·ft²390 kg·m²

Hub and Center Plate Weight

 N/A 1000 lb470 kg

Hub and Center Plate Inertia

 N/A 2700 lb·ft²110 kg·m²

Dimensions

Minimum Bore Range2 N/A 7.50 in190.5 mm
Maximum Bore Range3 N/A 11.20 in284.5 mm

Dimension - A (Imperial Mounting)

 N/A 49.000 in1244.60 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 49.25 in1251.0 mm

Dimension (B) Diameter (Imperial Mounting)

 N/A 1 Inch (in)-8 Normally Closed (NC)

Quantity (Imperial Mounting)

 N/A 24

Dimension - C (Imperial Mounting)

 N/A 45.000 in1143.00 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 1320.00 mm

Dimension (B) Hole Circle (Metric Mounting)

 N/A 1250.0 mm

Dimension (B) Diameter (Metric Mounting)

 N/A 33.0 mm

Quantity (Metric Mounting)

 N/A 24

Dimension (C) H7 (Metric Mounting)

 N/A 1134.00 mm

Dimension - D

 N/A 49 in1244.6 mm

Dimension -E (Ventilated Center Plate)

 N/A 14-3/4 in375 mm

Dimension - F

 N/A 4-1/2 in114.3 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.