Isoflex Technologies Component
Isoflex Gearbox Coupling IFC-4700-95 (4-bolt)
Isoflex IFC-4700-95 flexible coupling for 4-bolt gearbox flanges: 95.25 mm bolt circle, 135 mm OD, rated 600 Nm heavy duty / 900 Nm medium duty.
Description
The Isoflex IFC-4700-95 is a flexible gearbox coupling for 4-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: 95.25 mm (3 3/4 in)
- Gearbox flange bolt size: 7/16" UNF
- Gearbox flange index ring type: F (female)
- Gearbox flange index ring diameter: 69.85 mm (2 3/4 in)
- Coupling outside diameter: 135 mm (5.31 in)
- Coupling inside diameter: 50 mm (1.97 in)
- Coupling thickness: 36 mm (1.42 in)
- Approx. weight incl. bolt set: 1.2 kg (2.6 lb)
Torque ratings
- Heavy duty: 600 Nm (440 ft-lb)
- Medium duty: 900 Nm (660 ft-lb)
- Pleasure craft: 1000 Nm (730 ft-lb)
Specifications
| Feature | Metric | Imperial |
|---|---|---|
| Gearbox Flange Bolt Circle Diameter | 95.25* [3 3/4"] | 3 3/4* |
| Gearbox Flange Bolt Size | 7/16" UNF | 7/16"UNF |
| Gearbox Flange Index Ring Type | F | F |
| Gearbox Flange Index Ring Diameter | 69.85 [2 3/4"] | 2 3/4 |
| Isoflex Coupling Outside Diameter | 135 | 5.31 |
| Isoflex Coupling Inside Diameter | 50 | 1.97 |
| Isoflex Coupling Thickness | 36 | 1.42 |
| Heavy Duty | 600 | 440 |
| Medium Duty | 900 | 660 |
| Pleasure Craft | 1000 | 730 |
| Approx Weight incl. Bolt Set | 1.2 | 2.6 |
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