
DYNAFLEX ELASTOMERIC FLEXIBLE COUPLINGS | Page 106 of 124  | 
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Dynaflex LCR Series Couplings
Table 1 – Specifications and Dimensions
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  | Rated Performance Characteristics  | 
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  | Torque  | Per  | 
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  | Static  | Axial Rate  | Radial  | 
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  | Capacity  | 
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  | Torsional  | Permissible Misalignments  | ||||||||||||||
Part Number | Rating  | 100 rpm  | 
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  | - KA  | Rate - KR  | |||||||||||||
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  | Rate - Kθ  | 
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  | hp  | kW  | 1750 rpm  | 2000 rpm  | 
  | 3600 rpm  | lb/in  | N/mm  | lb/in  | N/mm  | 
  | Axial | Parallel | |||||||||
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  | Angular  | 
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  | hp  | kW  | hp  | kW  | 
  | hp  | kW  | rad | rad  | in  | mm  | in  | mm  | |||||||||
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125  | 14  | 0.20  | 0.15  | 3.5  | 2.6  | 4.0  | 3.0  | 
  | 7.1  | 5.3  | 420  | 47  | 150  | 26  | 375  | 66  | ±5°  | ±1/8  | 3.18  | ±1/16  | 1.59  | |
290  | 33  | 0.46  | 0.34  | 8.1  | 6.0  | 9.2  | 6.9  | 
  | 16.6  | 12.4  | 530  | 60  | 350  | 60  | 850  | 149  | ±4°  | ±3/32  | 2.38  | ±1/16  | 1.59  | |
550  | 62  | 0.87  | 0.65  | 15.3  | 11.4  | 17.5  | 13.0  | 
  | 31.4  | 23.4  | 1600  | 181  | 950  | 166  | 1300  | 228  | ±3°  | ±3/64  | 1.19  | ±1/32  | 0.79  | |
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1440  | 163  | 2.28  | 1.70  | 40.0  | 29.8  | 45.7  | 34.1  | 
  | 82.3  | 61.3  | 18000  | 2034  | 2300  | 404  | 4500  | 790  | ±2°  | ±1/16  | 1.59  | ±1/32  | 0.79  | |
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1900  | 215  | 3.01  | 2.24  | 52.8  | 39.3  | 60.3  | 45.0  | 
  | 108.5  | 80.9  | 24000  | 2712  | 1450  | 254  | 3000  | 525  | ±2°  | ±1/16  | 1.59  | ±1/64  | 0.40  | |
3600  | 407  | 5.71  | 4.26  | 100.0  | 74.5  | 114.2  | 85.2  | 
  | 205.6  | 153.3  | 46000  | 5197  | 3600  | 630  | 6400  | 1121  | ±2°  | ±1/16  | 1.59  | ±1/64  | 0.40  | |
4200  | 475  | 6.66  | 4.97  | 116.6  | 87.0  | 133.3  | 99.4  | 
  | 239.9  | 178.9  | 63000  | 7118  | 4200  | 736  | 9000  | 1576  | ±1/16  | 1.59  | ±1/64  | 0.40  | ||
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350  | 40  | 0.56  | 0.42  | 9.6  | 7.1  | 11.1  | 8.3  | 
  | 20.0  | 14.9  | 3100  | 350  | 1000  | 175  | 420  | 74  | ±5°  | ±1/8  | 3.18  | ±1/16  | 1.59  | |
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Torque ratings as listed are maximum steady torques per application requirements. For general applications, dynamic torques of ±35 percent of the coupling rate torques can be applied to the listed torque ratings. Shock torques (e.g., 
Torque Requirements:
Torque 
Table 2 – Specifications and Dimensions
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  | Physical Characteristics (Nominal)*  | 
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Part Number  | Weight  | Inertia  | 
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  | A  | 
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  | C  | 
  | D  | 
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  | No. of  | 
  | B.C. Dia.  | Hole Dia.  | Coupling I.D.  | Coupling I.D.  | 
  | Length  | Insert Dia.  | Length  | Length | |||||||||||||
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  | Inserts  | 
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  | lb-  | kg  | 
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  | mm  | in  | mm  | in  | mm  | 
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  | Mass | sec2 | 
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0.52  | 0.236  | 0.0020  | 
  | 226.0  | 4  | 
  | 2.75  | 69.85  | 0.32  | 
  | 8.13  | 4.00  | 101.60  | 1.62  | 41.15  | 
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  | 25.40  | 0.91  | 23.11  | 0.12  | 
  | 3.18  | 0.75  | 
  | 19.05  | |
0.52  | 0.236  | 0.0020  | 
  | 226.0  | 4  | 
  | 2.75  | 69.85  | 0.32  | 
  | 8.13  | 4.00  | 101.60  | 1.62  | 41.15  | 
  | 1.00  | 
  | 25.40  | 0.91  | 23.11  | 0.12  | 
  | 3.18  | 0.75  | 
  | 19.05  | |
1.00  | 0.454  | 0.0038  | 
  | 430.0  | 4  | 
  | 2.75  | 69.85  | 0.32  | 
  | 8.13  | 4.00  | 101.60  | 1.62  | 41.15  | 
  | 1.75  | 
  | 44.45  | 0.91  | 23.11  | 0.12  | 
  | 3.18  | 1.50  | 
  | 38.10  | |
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0.91  | 0.413  | 0.0041  | 
  | 463.0  | 6  | 
  | 3.00  | 76.20  | 0.39  | 
  | 9.91  | 4.06  | 103.12  | 1.88  | 47.75  | 
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  | 38.86  | 1.00  | 25.40  | 0.12  | 
  | 3.18  | 1.28  | 
  | 32.50  | |
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1.25  | 0.567  | 0.0072  | 
  | 814.0  | 8  | 
  | 4.00  | 101.60  | 0.51  | 
  | 12.95  | 5.21  | 132.33  | 2.74  | 69.60  | 
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  | 38.10  | 1.00  | 25.40  | 0.12  | 
  | 3.18  | 1.25  | 
  | 31.75  | |
1.25  | 0.567  | 0.0072  | 
  | 814.0  | 8  | 
  | 4.00  | 101.60  | 0.51  | 
  | 12.95  | 5.21  | 132.33  | 2.74  | 69.60  | 
  | 1.50  | 
  | 38.10  | 1.00  | 25.40  | 0.12  | 
  | 3.18  | 1.25  | 
  | 31.75  | |
1.40  | 0.635  | 0.0099  | 
  | 111.9  | 8  | 
  | 4.00  | 101.60  | 0.51  | 
  | 12.95  | 5.21  | 132.33  | 2.74  | 69.60  | 
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  | 50.80  | 1.00  | 25.40  | 0.12  | 
  | 3.18  | 1.75  | 
  | 44.45  | |
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0.78  | 0.354  | 0.0032  | 
  | 362.0  | 6  | 
  | 4.50  | 114.30  | 0.41  | 
  | 10.30  | 5.56  | 141.22  | 3.40  | 86.36  | 
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  | 17.27  | 1.00  | 25.40  | 0.12  | 
  | 3.18  | 0.43  | 
  | 10.92  | |
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* See detail drawings by part number for tolerances.  | 
  | LORD does not supply hubs. LORD supplies ring  | 
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Does not include bolts or fl anges.  | 
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  | elements only.  | 
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A part’s listing in this catalog does not guarantee its availability.  | 
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To download/print the most current catalog, go to www.lordfulfi llment.com/upload/PC7000.pdf.  | Rev.1 10/08  |