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Isoflex Technologies Component

Gearbox Coupling IFC-6700-HT

Isoflex IFC-6700-HT flexible coupling for 6-bolt gearbox flanges: 146 mm bolt circle, 195 mm OD, rated 4800 Nm heavy duty / 7000 Nm medium duty.

Description

The Isoflex IFC-6700-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: 146 mm (5 3/4 in)
  • Gearbox flange bolt size: M14 SHCS
  • Gearbox flange index ring type: F (female)
  • Gearbox flange index ring diameter: 110 mm (4.33 in)
  • Coupling outside diameter: 195 mm (7.68 in)
  • Coupling inside diameter: 75 mm (2.95 in)
  • Coupling thickness: 45.0 mm (1 3/4 in)
  • Approx. weight incl. bolt set: 3.6 kg (7.9 lb)

Torque ratings

  • Heavy duty: 4800 Nm (3500 ft-lb)
  • Medium duty: 7000 Nm (5100 ft-lb)
  • Pleasure craft: 8000 Nm (5900 ft-lb)

Specifications

Feature Metric Imperial
Gearbox Flange Bolt Circle Diameter 146 5 3/4
Gearbox Flange Bolt Size M14 SHCS M14 SHCS (9/16" approx)
Gearbox Flange Index Ring Type F F
Gearbox Flange Index Ring Diameter 110 4.33
Isoflex Coupling Outside Diameter 195 7.68
Isoflex Coupling Inside Diameter 75 2.95
Isoflex Coupling Thickness 45.0 1 3/4
Heavy Duty 4800 3500
Medium Duty 7000 5100
Pleasure Craft 8000 5900
Approx Weight incl. Bolt Set 3.6 7.9

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