External Notched Retaining Ring (EN)

Diagram

 

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