LORD Heavy-Duty Plateform Mount Series | Square

Compression Load Range: 120 - 500 lbs. (534 - 2,225 N)

Heavy Duty Plate Form mounts provide effective vibration isolation and excellent protection against shock where greater load carrying capacity is required than can be provided with Standard Plateform Mounts. They are widely used to solve energy control problems for medium and heavy equipment.

Load ratings of 120 to 500 pounds per mount are available. The 283 series of Heavy Duty Plate Form Mounts will provide effective isolation for frequencies above 9 Hz.

Typical Applications

  • Engine - generator sets
  • Manufacturing machinery
  • Plant equipment
  • Engines
  • Gear Motors
  • Blowers

The square plate or holder styles offer adaptability for most installation needs: The unitized, bonded construction offers compactness, space efficiency and predictable characteristics. Specially compounded elastomer for the flexing element and high-strength bonding provide maximum service life.

Heavy-Duty Plateform Mount - Square LORD Corporation, Vibration, Shock, Motion Control, Vibration Mounts, Vibration Isolators
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Notes

Snubbing washers are recommended for use with Heavy Duty Plate Form Mounts. They form an interlocking system of metal parts, providing a positive safety which limit and cushion excessive movement from overload and shock.

Specs
Specs Metric
Dimensions
Dimensions Metric
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Series No.
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Part Type
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Max. Axial Load (lb)
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Axial Spring Rates (lb/in.)
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Washer
283P-120 283 Square 120.0 lbs. 480 lb/in. J-2049-4
283P-155 283 Square 155.0 lbs. 620 lb/in. J-2049-4
283P-185 283 Square 185.0 lbs. 740 lb/in. J-2049-4
283P-220 283 Square 220.0 lbs. 880 lb/in. J-2049-4
283P-250 283 Square 250.0 lbs. 1000 lb/in. J-2049-4
283P-280 283 Square 280.0 lbs. 1120 lb/in. J-2049-4
283P-310 283 Square 310.0 lbs. 1240 lb/in. J-2049-4
283P-400 283 Square 400.0 lbs. 1600 lb/in. J-2049-4
283P-500 283 Square 500.0 lbs. 2000 lb/in. J-2049-4
283P-600 283 Square 600.0 lbs. 2400 lb/in. J-2049-4
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Part Type
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Max. Axial Load (N)
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Axial Spring Rates (N/mm)
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Washer
283P-120 283 Square 534 N 84.1 N/mm J-2049-4
283P-155 283 Square 689 N 108.6 N/mm J-2049-4
283P-185 283 Square 823 N 129.6 N/mm J-2049-4
283P-220 283 Square 979 N 154.1 N/mm J-2049-4
283P-250 283 Square 1112 N 175.1 N/mm J-2049-4
283P-280 283 Square 1245 N 196.1 N/mm J-2049-4
283P-310 283 Square 1379 N 217.2 N/mm J-2049-4
283P-400 283 Square 1779 N 280.7 N/mm J-2049-4
283P-500 283 Square 2224 N 350.7 N/mm J-2049-4
283P-600 283 Square 2669 N 420.4 N/mm J-2049-4
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A (in.)
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B (in.)
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C (in.)
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D (in.)
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E (in.)
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F (in.)
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G (in.)
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T (in.)
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VR (in.)
283P-120 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 0.88 in. 1.25 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-155 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 0.88 in. 1.25 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-185 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.12 in. 1.50 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-220 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.12 in. 1.75 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-250 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.38 in. 2.25 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-280 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.38 in. 2.25 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-310 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.62 in. 2.50 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-400 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.62 in. 2.50 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-500 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.62 in. 2.50 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
283P-600 2.88 in. 3.25 in. 2.56 in. 0.52 in. 0.33 in. 0.13 in. 1.62 in. 2.50 in. 3.62 in. 2.98 in. 2.75 in. 0.50 in. 2.25 in.
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V (mm)
283P-120 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 22.4 mm 31.8 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-155 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 22.4 mm 31.8 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-185 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 28.4 mm 38.1 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-220 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 28.4 mm 44.5 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-250 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 35.1 mm 50.8 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-280 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 35.1 mm 57.2 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-310 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 41.1 mm 63.5 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-400 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 41.1 mm 63.5 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-500 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 41.1 mm 63.5 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm
283P-600 71.1 mm 82.6 mm 65.1 mm 13.1 mm 8.3 mm 3.2 mm 41.1 mm 63.5 mm 91.9 mm 69.9 mm 12.7 mm 57.2 mm