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Isoflex Technologies Component

Gearbox Coupling IFC-6100-HT

Isoflex IFC-6100-HT flexible coupling for 6-bolt gearbox flanges: 120.6 mm bolt circle, 160 mm OD, rated 3950 Nm heavy duty / 5940 Nm medium duty.

Description

The Isoflex IFC-6100-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: 120.6 mm (4 3/4 in)
  • Gearbox flange bolt size: 1/2" UNC
  • Gearbox flange index ring type: M (male)
  • Gearbox flange index ring diameter: 76.2 mm (3 in)
  • Coupling outside diameter: 160 mm (6.30 in)
  • Coupling inside diameter: 60 mm (2.36 in)
  • Coupling thickness: 38 mm (1 1/2 in)
  • Approx. weight incl. bolt set: 2.4 kg (5.3 lb)

Torque ratings

  • Heavy duty: 3950 Nm (2910 ft-lb)
  • Medium duty: 5940 Nm (4370 ft-lb)
  • Pleasure craft: 6700 Nm (4930 ft-lb)

Specifications

Feature Metric Imperial
Gearbox Flange Bolt Circle Diameter 120.6 [4 3/4"] 4 3/4
Gearbox Flange Bolt Size 1/2" UNC 1/2" UNC
Gearbox Flange Index Ring Type M M
Gearbox Flange Index Ring Diameter 76.2 [3"] 3
Isoflex Coupling Outside Diameter 160 6.30
Isoflex Coupling Inside Diameter 60 2.36
Isoflex Coupling Thickness 38 1 1/2
Heavy Duty 3950 2910
Medium Duty 5940 4370
Pleasure Craft 6700 4930
Approx Weight incl. Bolt Set 2.4 5.3

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