Eaton Snap Rings > Internal Eaton Style Rings

Internal Notched Retaining Ring (IN)

Internal Eaton Style Rings: Notched Retaining Ring (IN)

See our Internal Notched Retaining Ring Chart below, which includes technical specifications such as:

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

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

For more information, view all Eaton Rings, or feel free to download our internal notched retaining ring PDF or view our complete retaining ring catalog. If you do not see your desired specifications in our size chart below, you can custom-design your own bearing snap ring right on our website!

Ring Specifications
Eaton Notched Retaining Ring (IN)

Request Your Custom Quote Today

Request a Quote

Connect with a Retaining Ring Expert

Contact Arcon
Specifications

Catalog Stock Sizes Available: 1.750″ to 3.625″
Custom Sizes Obtainable: 0.050″ to 60″
Standard Material: Carbon Spring Steel

Internal Notched Retaining Ring (IN) Technical Drawing
Part Number Housing Ring Groove Gap G
Min.		 Notch Thrust
Load Lbs.
Diameter S Free Diameter Wire Section Dia. Width
A		 Nom.
Depth B		 Depth ND
+.000
-.030		 Width
NW Ref.
Frac. inch Dec. inch mm D
inches		 Tol. inches W
±.005		 T
±.002		 C Tol.
IN175 13/4 1.750 44.45 1.878 1.858 0.054 4,100
IN181 113/16 1.812 46.02 1.942 1.922 0.055 0.370 4,280
IN185 – 1.850 47.00 1.982 0.156 0.062 1.962 ±.005 0.068 0.056 0.078 4,380
IN187 17/8 1.875 47.63 2.014 1.989 +0.004 0.057 0.400 4,650
IN193 115/16 1.938 49.20 2.081 2.056 -0.000 0.059 5,000
IN200 2 2.000 50.80 2.147 2.122 0.061 0.420 5,350
IN206 23/64 2.047 52.00 2.201 +0.070 2.171 0.062 6,490
IN206 21/16 2.062 52.37 2.201 -0.000 2.186 0.450 6,490
IN212 21/8 2.125 53.98 2.271 2.251 0.063 6,810
IN218 – 2.165 55.00 2.338 0.171 2.295 0.065 0.430 0.085 7,240
IN218 23/16 2.188 55.55 2.338 2.318 0.086 0.470 7,240
IN225 21/4 2.250 57.15 2.402 0.078 2.382 +0.005 0.066 0.450 7,560
IN231 25/16 2.312 58.72 2.470 2.450 -0.000 0.069 8,120
IN237 23/8 2.375 60.33 2.537 2.517 0.071 0.093 8,580
IN244 – 2.440 61.98 2.604 2.584 0.072 0.470 8,940
IN250 21/2 2.500 63.50 2.673 2.648 0.074 9,410
IN253 217/32 2.531 64.29 2.706 2.681 0.075 9,660
IN256 29/16 2.562 65.07 2.739 2.714 0.076 9,910
IN262 25/8 2.625 66.68 2.806 0.188 2.781 0.078 0.530 0.093 10,420
IN268 – 2.677 68.00 2.868 2.837 0.080 10,900
IN268 211/16 2.688 68.25 2.868 +0.080 2.848 0.103 0.560 10,900
IN275 23/4 2.750 69.85 2.944 -0.000 0.093 2.914 ±.006 +0.005 0.082 0.590 11,470
IN281 213/16 2.812 71.42 3.025 2.980 -0.000 0.084 12,200
IN281 – 2.835 72.00 3.025 3.005 0.085 0.660 12,200
IN287 27/8 2.875 73.03 3.086 3.051 0.088 12,870
IN295 – 2.953 75.00 3.175 0.203 3.135 0.091 0.620 0.100 13,480
IN300 3 3.000 76.20 3.222 3.182 0.091 13,890
IN306 31/16 3.062 77.77 3.288 3.248 0.093 14,490
IN312 31/8 3.125 79.38 3.353 3.315 0.095 0.650 15,110
IN315 – 3.149 79.98 3.388 0.218 3.341 0.096 0.109 15,420
IN315 35/32 3.156 80.16 3.388 3.348 15,420
IN325 31/4 3.250 82.55 3.488 +0.100 3.446 0.120 0.098 0.680 16,210
IN334 311/32 3.346 84.99 3.590 -0.000 0.109 3.546 +0.005 0.100 0.125 17,030
IN347 315/32 3.469 88.11 3.721 3.675 -0.000 0.103 0.710 18,190
IN350 31/2 3.500 88.90 3.760 3.710 0.105 18,700
IN354 – 3.543 90.00 3.805 0.234 3.755 0.106 0.740 0.120 19,400
IN354 39/16 3.562 90.47 3.805 3.776 0.107 0.810 19,400
IN362 35/8 3.625 92.08 3.895 3.841 0.108 0.740 19,930
IN375 – 3.740 95.00 4.030 3.964 0.112 0.740 0.125 21,380
IN375 33/4 3.750 95.25 4.030 3.974 0.780 0.125 21,380
IN387 37/8 3.875 98.43 4.165 4.107 0.116 0.125 22,880
IN393 315/16 3.938 100.00 4.234 0.250 4.174 0.118 0.125 0.125 23,650
IN400 4 4.000 101.60 4.300 4.240 0.125 24,430
IN412 41/8 4.125 104.78 4.430 +0.100 4.365 0.120 0.810 0.125 25,190
IN425 41/4 4.250 107.95 4.555 -0.000 0.109 4.490 ±.006 +0.005 0.120 0.125 25,960
IN433 – 4.331 110.00 4.641 4.571 -0.000 0.125 26,450
IN450 41/2 4.500 114.30 4.815 4.740 0.156 27,490
IN462 45/8 4.625 117.48 4.940 4.865 0.840 0.156 28,250
IN475 – 4.724 120.00 5.070 0.281 4.969 0.122 0.140 0.156 29,000
IN475 43/4 4.750 120.65 5.070 4.995 0.910 0.156 29,000
IN500 5 5.000 127.00 5.340 5.260 0.130 0.930 0.156 33,100
IN525 51/4 5.250 133.35 5.600 5.520 0.156 36,070
IN537 53/8 5.375 136.53 5.735 +0.120 5.650 0.156 36,930
IN550 51/2 5.500 139.70 5.860 -0.000 0.312 0.125 5.770 ±.007 0.139 0.135 1.000 0.156 0.156 37,790
IN575 53/4 5.750 146.05 6.120 6.020 +0.006 0.156 39,500
IN600 6 6.000 152.40 6.380 6.270 -0.000 0.156 41,220
IN625 61/4 6.250 158.75 6.640 6.530 0.140 1.030 0.156 44,530
IN650 61/2 6.500 165.10 6.905 +0.150 6.790 0.174 0.145 1.090 0.156 47,970
IN662 65/8 6.625 168.28 7.045 -0.000 0.343 0.156 6.925 +0.008 0.150 1.120 0.171 0.156 50,580
IN675 63/4 6.750 171.45 7.180 7.055 -0.000 0.152 1.130 0.156 52,220
IN700 7 7.000 177.80 7.445 7.315 0.157 1.140 0.156 55,930
IN725 71/4 7.250 184.15 7.705 +0.180 7.575 0.162 0.187 59,700
IN750 71/2 7.500 190.50 7.975 -0.000 0.375 7.840 0.170 1.150 0.187 0.187 64,900
IN775 73/4 7.750 196.85 8.240 8.100 0.175 1.160 0.187 68,700
IN800 8 8.000 203.20 8.505 8.360 ±.008 0.180 1.200 0.187 72,900
IN825 81/4 8.250 209.55 8.770 8.620 0.185 1.230 0.187 77,600
IN850 81/2 8.500 215.90 9.035 0.437 0.187 8.880 0.209 0.190 1.270 0.218 0.187 81,800
IN875 83/4 8.750 222.25 9.305 +0.220 9.144 +0.008 0.197 1.320 0.187 87,300
IN900 9 9.000 228.60 9.564 -0.000 9.404 -0.000 0.202 1.370 0.187 92,400
IN925 91/4 9.250 234.95 9.833 9.668 0.209 1.400 0.187 98,000
IN950 91/2 9.500 241.30 10.100 0.500 9.930 0.215 1.500 0.250 0.187 103,900
IN975 93/4 9.750 247.65 10.365 10.190 0.220 1.620 0.187 109,000
IN1000 10 10.000 254.00 10.630 10.450 0.225 1.750 0.187 114,600
Full Product Catalog