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ARCON RING SITE > Eaton Snap Rings > External Notched Retaining Ring (EN)

External Notched Retaining Ring (EN)

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External Notched Retaining Ring (EN)

See our EN External Notched Retaining Ring Chart below, which includes technical specifications like:

  • External Notched Retaining Ring Dimensions
  • External Notched Retaining Ring Groove Dimensions
  • External Notched Retaining Ring Thrust Load
  • Plus More

You’ll also notice CAD drawings below to further assist you.

If you do not see your desired specifications in our XAN external retaining ring size chart below, you can custom-design your own external notched Eaton retaining ring right on our website!

For more information view all Eaton Rings, or feel free to download our EN external notched ring PDF or view our complete retaining ring catalog.

Contact Arcon Ring to request additional assistance or get a FREE quote online today.

Catalog Stock Sizes Available: 2.062" to 5.000"

Custom Sizes Obtainable: 0.050" to 60"

Standard Material: Carbon Spring Steel

drawing

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    PART NUMBER SHAFT RING GROOVE GAP G TOL.
    ±1/16″    		 NOTCH SAFE WORKING THRUST LOAD
    DIAMETER S FREE DIAMETER WIRE SECTION DIA.
    C    		 WIDTH
    A    		 NOMM. DEPPTH B DEPTH
    ND
    +.000
    -.030    		 WIDTH NW Ref.
    Frac. inch Dec. inch mm D
    inches    		 Tol. inches W
    ±.005    		 T
    ±.002
    EN206 21/16 2.062 52.37 1.926 1.946 0.058 5,400
    EN212 21/8 2.125 53.98 1.983 0.187 2.003 0.061 0.093 5,530
    EN215 25/32 2.156 54.76 2.012 2.032 0.062 5,680
    EN225 21/4 2.250 57.15 2.100 2.120 0.065 6,200
    EN231 25/16 2.312 58.73 2.158 +0.000 0.203 2.178 0.086 0.067 0.100 6,580
    EN237 23/8 2.375 60.33 2.219 -0.060 0.078 2.239 +0.005 0.068 0.375 6,870
    EN243 27/16 2.438 61.93 2.279 2.299 -0.000 0.069 7,130
    EN250 21/2 2.500 63.50 2.340 2.360 0.070 7,430
    EN255 – 2.559 65.00 2.399 2.419 0.070 7,590
    EN262 25/8 2.625 66.68 2.461 2.481 0.072 8,020
    EN268 211/16 2.688 68.28 2.521 2.541 0.073 8,320
    EN275 23/4 2.750 69.85 2.577 0.218 2.602 0.074 0.110 8,650
    EN287 27/8 2.875 73.03 2.696 2.721 0.077 9,330
    EN293 215/16 2.938 74.63 2.754 2.779 0.079 9,840
    EN300 3 3.000 76.20 2.813 2.838 0.081 10,310
    EN306 31/16 3.062 77.77 2.873 0.093 2.898 0.103 0.082 10,530
    EN312 31/8 3.125 79.38 2.932 2.957 +0.005 0.084 0.125 11,170
    EN315 35/32 3.156 80.16 2.961 +0.000 2.986 -0.000 0.085 0.500 11,370
    EN325 31/4 3.250 82.55 3.051 -0.080 3.076 0.087 12,000
    EN334 311/32 3.346 85.00 3.141 3.166 0.090 12,810
    EN343 37/16 3.438 87.33 3.232 0.250 3.257 0.090 0.125 13,100
    EN350 31/2 3.500 88.90 3.286 3.316 0.092 13,640
    EN354 – 3.543 90.00 3.327 3.357 0.093 14,000
    EN362 35/8 3.625 92.08 3.405 3.435 0.095 14,580
    EN368 311/16 3.688 93.68 3.463 3.493 0.097 14,650
    EN375 33/4 3.750 95.25 3.522 3.552 0.099 15,800
    EN387 37/8 3.875 98.43 3.643 3.673 0.120 0.101 0.562 16,600
    EN393 315/16 3.938 100.03 3.704 0.281 0.109 3.734 +0.005 0.102 0.150 17,040
    EN400 4 4.000 101.60 3.762 +0.000 3.792 -0.000 0.104 17,640
    EN425 41/4 4.250 107.95 4.025 -0.093 4.065 0.092 16,600
    EN437 43/8 4.375 111.13 4.150 4.190 0.092 17,100
    EN450 41/2 4.500 114.30 4.270 4.310 0.095 0.625 18,230
    EN475 43/4 4.750 120.65 4.510 0.312 4.550 0.100 0.180 19,160
    EN500 5 5.000 127.00 4.750 4.790 0.105 22,280