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Isoflex Technologies Component

Gearbox Coupling IFC-6000-HT

Isoflex IFC-6000-HT flexible coupling for 6-bolt gearbox flanges: 98.43 mm bolt circle, 150 mm OD, rated 1350 Nm heavy duty / 2020 Nm medium duty.

Description

The Isoflex IFC-6000-HT is a flexible gearbox coupling for 6-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: 98.43 mm (3 7/8 in)
  • Gearbox flange bolt size: 7/16" UNF
  • Gearbox flange index ring type: M (male)
  • Gearbox flange index ring diameter: 63.5 mm (2 1/2 in)
  • Coupling outside diameter: 150 mm (5.91 in)
  • Coupling inside diameter: 50 mm (1.97 in)
  • Coupling thickness: 32 mm (1 1/4 in)
  • Approx. weight incl. bolt set: 1.6 kg (3.5 lb)

Torque ratings

  • Heavy duty: 1350 Nm (990 ft-lb)
  • Medium duty: 2020 Nm (1480 ft-lb)
  • Pleasure craft: 2350 Nm (1730 ft-lb)

Specifications

Feature Metric Imperial
Gearbox Flange Bolt Circle Diameter 98.43 [3 7/8"] 3 7/8
Gearbox Flange Bolt Size 7/16" UNF 7/16" UNF
Gearbox Flange Index Ring Type M M
Gearbox Flange Index Ring Diameter 63.5 [2 1/2"] 2 1/2
Isoflex Coupling Outside Diameter 150 5.91
Isoflex Coupling Inside Diameter 50 1.97
Isoflex Coupling Thickness 32 1 1/4
Heavy Duty 1350 990
Medium Duty 2020 1480
Pleasure Craft 2350 1730
Approx Weight incl. Bolt Set 1.6 3.5

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