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.

Available Sizes: 2.062" to 5.000"

Standard Material: Carbon Spring Steel

drawing
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