Gearbox Coupling IFC-4550-95

Name: Gearbox Coupling IFC-4550-95
Brand: Isoflex Technologies

Isoflex IFC-4550-95 flexible coupling for 4-bolt gearbox flanges: 107.95 mm bolt circle, 150 mm OD, rated 435 Nm heavy duty / 650 Nm medium duty.

Description

The Isoflex IFC-4550-95 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: 435 Nm (320 ft-lb)
Medium duty: 650 Nm (470 ft-lb)
Pleasure craft: 740 Nm (540 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	435	320
Medium Duty	650	470
Pleasure Craft	740	540
Approx Weight incl. Bolt Set	1.2	2.6

Premium 3-Strand Nylon

High-tenacity 3-strand marine nylon with Marine Tech coating for dock, anchor and mooring lines; 5 mm (3/16 in) to 24 mm (1 in); white, black and navy.