Isoflex Technologies Component
Gearbox Coupling IFC-4500-95
Isoflex IFC-4500-95 flexible coupling for 4-bolt gearbox flanges: 107.95 mm bolt circle, 150 mm OD, rated 675 Nm heavy duty / 1000 Nm medium duty.
Description
The Isoflex IFC-4500-95 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: 107.95 mm (4 1/4 in)
- Gearbox flange bolt size: 7/16" UNF
- Gearbox flange index ring type: F (female)
- Gearbox flange index ring diameter: 63.5 mm (2 1/2 in)
- Coupling outside diameter: 150 mm (5.91 in)
- Coupling inside diameter: 45 mm (1.77 in)
- Coupling thickness: 28.6 mm (1 1/8 in)
- Approx. weight incl. bolt set: 1.2 kg (2.6 lb)
Torque ratings
- Heavy duty: 675 Nm (490 ft-lb)
- Medium duty: 1000 Nm (730 ft-lb)
- Pleasure craft: 1150 Nm (840 ft-lb)
Specifications
| Feature | Metric | Imperial |
|---|---|---|
| Gearbox Flange Bolt Circle Diameter | 107.95 [4 1/4"] | 4 1/4 |
| Gearbox Flange Bolt Size | 7/16" UNF | 7/16" UNF |
| Gearbox Flange Index Ring Type | F | F |
| Gearbox Flange Index Ring Diameter | 63.5 [2 1/2"] | 2 1/2 |
| Isoflex Coupling Outside Diameter | 150 | 5.91 |
| Isoflex Coupling Inside Diameter | 45 | 1.77 |
| Isoflex Coupling Thickness | 28.6 | 1 1/8 |
| Heavy Duty | 675 | 490 |
| Medium Duty | 1000 | 730 |
| Pleasure Craft | 1150 | 840 |
| Approx Weight incl. Bolt Set | 1.2 | 2.6 |
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