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Shrink Disc RfN 4091-140 - Heavy Duty Series/split
RfN 4091-140 RfN 4091-50 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 4091-140
Specifications
| d x d inch | 5.512 x 11.811 |
| solid shaft diameter | 3.937 |
| pitch circle diameter | 8.661 |
| overall length | 4.173 |
| overall length without screws | 3.780 |
| thrust ring width | 1.654 |
| width of ring | 3.150 |
| width of the half shrink disc | 2.126 |
| max. tightened torque of the screws ft lbs | 185 |
| transmissible torque at given ta ft lbs | 34.665 |
| transmissible axial force | 211.927 |
| hub surface pressure psi | 52.252 |
| equivalent stress in the hub | 62.848 |
| max. transmissible torque ft lbs | 43.332 |
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