Ringfeder

Shrink Disc RfN 4051-195 - Light Duty Series/split

RfN 4051-195 Shrink disc is the modern method for creating a mechanical shrink fit. RINGFEDER® Shrink Disc connections are suitable for securing all types of hubs onto shafts and axles.

• Light design – suitable for medium transmissible values when space is limited.

• Slitted inner ring – low forces and pressures on hub and shaft. Maximum reliability – suitable for static, dynamic and impact loads.

• Easy mounting – no steps, keyways, splines are required, therefore hubs can be located and locked at any point or angle on the shaft. RINGFEDER® Shrink Discs use standard screws tightened with standard tools. No additional machining or fitting work is required.

• Easy replacement – the RINGFEDER® Shrink Disc is free from any form fit.

• Easy removal – after loosening the locking screws, the RINGFEDER® Shrink Disc will self release and the hub will move freely on the shaft.

• Simplified manufacture – only plain shaft and bore diameters with easily achieved surface finish and tolerances are required.

• Low susceptibility to contamination – when the locking screws are tightened the functional contact surfaces are pressed firmly together and prevent the ingress of dirt and moisture.

MPN: RfN 4051-195

Quantity

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Specifications


dial graduations
d x d inch 7.677 x 12.402
solid shaft diameter 6.693
pitch circle diameter 9.331
overall length 3.15
overall length without screws 2.835
thrust ring width 1.22
width of ring 2.205
width of the half shrink disc 1.614
max. tightened torque of the screws ft lbs 75
transmissible torque at given ta ft lbs 49.933
transmissible axial force 178.724
hub surface pressure psi 33.819
equivalent stress in the hub 46.882
max. transmissible torque ft lbs 62.416

Related Literature & Videos


ringfeder_shrink-discs_us.pdf

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