
DYNAFLEX ELASTOMERIC FLEXIBLE COUPLINGS Page 115 of 124
Table 4 – Specifications and Dimensions
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  | Physical Characteristics (Nominal)  | 
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Part Number* | 
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  | G  | 
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  | J  | 
  | K  | L  | M  | N  | Fits  | 
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  | Length | Length  | Length  | Length  | Hole Dia. | SAE | Ref. Dia.  | ||||||||||||||
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  | No. of | Hole Size  | No. of  | ||||||||||||||||||
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  | Flywheel  | 
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Size  | Variation  | in  | 
  | mm  | in  | 
  | mm  | in  | mm  | in  | 
  | mm  | in  | 
  | mm  | Holes | in (mm)  | Holes | in  | 
  | mm  | |
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  | No  | 
  | No  | 0.321  | 
  | 8.15  | 6  | 3/8 - 16  | 
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  | 0.375  | 
  | 9.53  | 0.125  | 
  | 3.18  | 0.25  | 6.35  | Counter  | 
  | Counter  | 
  | 3  | 6.50  | 
  | 165.1  | ||||||
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  | 0.406  | 
  | 10.31  | 8  | 10  | 
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  | Bore  | 
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  | No  | 
  | No  | 0.321  | 
  | 8.15  | 6  | 3/8 - 16  | 
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 | 0.375  | 
  | 9.53  | 0.125  | 
  | 3.18  | 0.25  | 6.35  | Counter  | 
  | Counter  | 
  | 3  | 6.50  | 
  | 165.1  | |||||
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  | 0.406  | 
  | 10.31  | 8  | 10  | 
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  | Bore  | 
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–  | 
  | –  | 0.75  | 
  | 19.1  | –  | –  | –  | 
  | –  | 0.710  | 
  | 18.03  | 6  | 0.330 (8.38)  | 3  | 8  | 6.80  | 
  | 172.7  | ||
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0.1875  | 
  | 4.76  | 0.1875  | 
  | 4.76  | 0.125  | 3.18  | 0.75  | 
  | 19.05  | 0.406  | 
  | 10.31  | –  | 3  | 10  | 8.50  | 
  | 215.9  | |||
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  | 2.31  | 
  | 58.72  | 
  | 8  | 0.394 (10.00)  | 6  | 
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0.1875  | 
  | 4.76  | 0.1875  | 
  | 4.76  | 0.125  | 3.18  | 0.75  | 
  | 19.05  | 0.406  | 
  | 10.31  | 8  | 3  | 10  | 8.50  | 
  | 215.9  | |||
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  | 2.31  | 
  | 58.72  | 
  | 0.394 (10.00)  | 6  | 
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0.0625  | 
  | 1.59  | 0.1875  | 
  | 4.76  | –  | –  | 0.75  | 
  | 19.05  | 0.406  | 
  | 10.31  | 16  | 3  | 9.38  | 
  | 238.3  | ||||
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  | 2.56  | 
  | 65.07  | 
  | 0.394 (10.00)  | 6  | 60/80/100  | 
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0.0625  | 
  | 1.59  | 0.1875  | 
  | 4.76  | –  | –  | 0.75  | 
  | 19.05  | 0.406  | 
  | 10.31  | 16  | 3  | 9.38  | 
  | 238.3  | ||||
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  | 2.56  | 
  | 65.07  | 
  | 0.394 (10.00)  | 6  | 60/80/100  | 
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0.125  | 
  | 3.18  | 0.1875  | 
  | 4.76  | 0.25  | 6.35  | 0.75  | 
  | 19.05  | 0.406  | 
  | 10.31  | 16  | 3  | 11.38  | 
  | 289.1  | ||||
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  | 2.56  | 
  | 65.07  | 
  | 0.660 (16.76)  | 6  | 60/80/100  | 
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0.125  | 
  | 3.18  | 0.1875  | 
  | 4.76  | 0.25  | 6.35  | 0.75  | 
  | 19.05  | 0.406  | 
  | 10.31  | 16  | 3  | 11.38  | 
  | 289.1  | ||||
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  | 2.56  | 
  | 65.07  | 
  | 0.660 (16.76)  | 6  | 60/80/100  | 
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0.125  | 
  | 3.18  | 0.50  | 
  | 12.70  | –  | –  | 0.88  | 
  | 22.23  | 0.406  | 
  | 10.31  | 12  | 6  | 60/80/100  | –  | 
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  | 19.05  | 
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0.125  | 
  | 3.18  | 0.50  | 
  | 12.70  | –  | –  | 0.88  | 
  | 22.23  | 0.406  | 
  | 10.31  | 12  | 6  | 60/80/100  | –  | 
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  | 19.05  | 
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–  | 
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  | 12.70  | –  | –  | 1.00  | 
  | 25.40  | 0.406  | 
  | 10.31  | 12  | 6  | 120  | –  | 
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–  | 
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  | 12.70  | –  | –  | 1.00  | 
  | 25.40  | 0.406  | 
  | 10.31  | 8  | 8  | –  | –  | 
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0.125  | 
  | 3.18  | 0.25  | 
  | 6.35  | –  | –  | 1.00  | 
  | 25.40  | 0.406  | 
  | 10.31  | 12  | 8  | 14 or 140 with  | –  | 
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  | Adapter  | 
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0.125  | 
  | 3.18  | 0.50  | 
  | 12.70  | 0.50  | 12.70  | 1.50  | 
  | 38.10  | 0.644  | 
  | 16.36  | 6  | 8  | 18 or 180  | –  | 
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0.125  | 
  | 3.18  | 0.50  | 
  | 12.70  | 0.50  | 12.70  | 1.50  | 
  | 38.10  | 0.644  | 
  | 16.36  | 6  | 8  | 18 or 180  | –  | 
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*Please consult LORD engineering for application review, approval and availability.
Prolonged exposure to temperatures in the 0°F range and below produces a signifi cantly reduced slip torque prior to driveline 
Blind assembly style with a notched periphery provides 
Use Wood’s 
See detail drawings by part number for tolerances.
Pilot diameter tolerances are + .000/ 
Tapered.
Refer to SAE J620c for fl ywheel numbers 
Unless otherwise noted:
.xx dim ± 0.030 in (± 0.762 mm)
.xxx dim ± 0.015 in (± 0.381 mm)
It is advisable to refer to drawing of coupling before ordering since it is not practical to show all details in this catalog.
Definition of Part Numbering System
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  | Attachment  | Torsional  | |
Part Type  | hp Rating  | Stiffness  | ||
Variation  | ||||
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  | Variation  | ||
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LCD  | ||||
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Torque Requirements:
Torque 
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  |