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Isoflex Technologies Component

Gearbox Coupling IFC-8695-HT

Isoflex IFC-8695-HT flexible coupling for 8-bolt gearbox flanges: 241.3 mm bolt circle, 330 mm OD, rated 13350 Nm heavy duty / 20100 Nm medium duty.

Description

The Isoflex IFC-8695-HT 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: 241.3 mm (9 1/2 in)
  • Gearbox flange bolt size: 3/4" UNC
  • Gearbox flange index ring type: M (male)
  • Gearbox flange index ring diameter: 152.4 mm (6 in)
  • Coupling outside diameter: 330 mm (12.99 in)
  • Coupling inside diameter: 95 mm (3.74 in)
  • Coupling thickness: 45.0 mm (1 3/4 in)
  • Approx. weight incl. bolt set: 11.4 kg (25.1 lb)

Torque ratings

  • Heavy duty: 13350 Nm (9830 ft-lb)
  • Medium duty: 20100 Nm (14810 ft-lb)
  • Pleasure craft: use Medium Duty rating

Specifications

Feature Metric Imperial
Gearbox Flange Bolt Circle Diameter 241.3 [9 1/2"] 9 1/2
Gearbox Flange Bolt Size 3/4" UNC 3/4" UNC
Gearbox Flange Index Ring Type M M
Gearbox Flange Index Ring Diameter 152.4 [6"] 6
Isoflex Coupling Outside Diameter 330 12.99
Isoflex Coupling Inside Diameter 95 3.74
Isoflex Coupling Thickness 45.0 1 3/4
Heavy Duty 13350 9830
Medium Duty 20100 14810
Pleasure Craft Use Medium Use Medium
Approx Weight incl. Bolt Set 11.4 25.1

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