Isoflex Gearbox Coupling IFC-4700-95 (4-bolt)

Name: Isoflex Gearbox Coupling IFC-4700-95 (4-bolt)
Brand: Isoflex Technologies

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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