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Isoflex Technologies Component

Gearbox Coupling IFC-8800-95

Isoflex IFC-8800-95 flexible coupling for 8-bolt gearbox flanges: 340 mm bolt circle, 455 mm OD, rated 22500 Nm heavy duty / 33750 Nm medium duty.

Description

The Isoflex IFC-8800-95 is a flexible gearbox coupling for 8-bolt gearbox output flanges. Isoflex couplings provide a sacrificial link designed to fail before gearbox damage occurs, allow controlled engine movement to isolate vibration and help alleviate thrust-induced driveline misalignment. Designed for marine use, they are also used in industrial drivelines.

Technical data

  • Gearbox flange bolt circle diameter: 340 mm (13.39 in)
  • Gearbox flange bolt size: 1" UNC
  • Gearbox flange index ring type: M (male)
  • Gearbox flange index ring diameter: 180 mm (7.09 in)
  • Coupling outside diameter: 455 mm (17.91 in)
  • Coupling inside diameter: 130 mm (5.12 in)
  • Coupling thickness: 60.0 mm (2.36 in)
  • Approx. weight incl. bolt set: 30.5 kg (67.3 lb)

Torque ratings

  • Heavy duty: 22500 Nm (16580 ft-lb)
  • Medium duty: 33750 Nm (24870 ft-lb)
  • Pleasure craft: use Medium Duty rating

Specifications

Feature Metric Imperial
Gearbox Flange Bolt Circle Diameter 340 13.39
Gearbox Flange Bolt Size 1" UNC 1" UNC
Gearbox Flange Index Ring Type M M
Gearbox Flange Index Ring Diameter 180 7.09
Isoflex Coupling Outside Diameter 455 17.91
Isoflex Coupling Inside Diameter 130 5.12
Isoflex Coupling Thickness 60.0 2.36
Heavy Duty 22500 16580
Medium Duty 33750 24870
Pleasure Craft Use Medium Use Medium
Approx Weight incl. Bolt Set 30.5 67.3

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