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Isoflex Technologies Component

Gearbox Coupling IFC-81710-HT

Isoflex IFC-81710-HT flexible coupling for Spicer/Uni-Joint drive flanges: 184.15 mm bolt circle, 241 mm OD.

Description

The Isoflex IFC-81710-HT is a flexible gearbox coupling for drive shaft flanges configured to Spicer, Uni-Joint or cardan shaft drives. 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: 184.15 mm (7 1/4 in)
  • Gearbox flange bolt size: 3/8" UNF
  • Gearbox flange index ring type: F (female)
  • Gearbox flange index ring diameter: 196.85 mm (7 3/4 in)
  • Coupling outside diameter: 241 mm (9.50 in)
  • Coupling inside diameter: 74 mm (2.93 in)
  • Coupling thickness: 28 mm (1.1 in)
  • Approx. weight incl. bolt set: 2.4 kg (5.3 lb)

Specifications

Feature Metric Imperial
Gearbox Flange Bolt Circle Diameter 184.15 [7 1/4"] 7 1/4
Gearbox Flange Bolt Size 3/8" UNF 3/8" UNF
Gearbox Flange Index Ring Type F F
Gearbox Flange Index Ring Diameter 196.85 [7 3/4"] 7 3/4
Isoflex Coupling Outside Diameter 241 9.50
Isoflex Coupling Inside Diameter 74 2.93
Isoflex Coupling Thickness 28 1.1
Heavy Duty
Medium Duty
Pleasure Craft
Approx Weight incl. Bolt Set 2.4 5.3

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