DIN 471 : Circlip / External Retaining Ring

Circlip / External Retaining Ring

Dimensions of Circlip / External Retaining Ring

d4 s d3 a max. b approx.
4 0.4 3.7 2.2 0.9
5 0.6 4.7 2.5 1.1
6 0.7 5.6 2.7 1.3
7 0.8 6.5 3.1 1.4
8 0.8 7.4 3.2 1.5
9 1 8.4 3.3 1.7
10 1 9.3 3.3 1.8
11 1 10.2 3.3 1.8
12 1 11 3.3 1.8
13 1 11.9 3.4 2
14 1 12.9 3.5 2.1
15 1 13.8 3.6 2.2
16 1 14.7 3.7 2.2
17 1 15.7 3.8 2.3
18 1.2 16.5 3.9 2.4
19 1.2 17.5 3.9 2.5
20 1.2 18.5 4 2.6
21 1.2 19.5 4.1 2.7
22 1.2 20.5 4.2 2.8
23 1.2 21.4 4.3 2.9
24 1.2 22.2 4.4 3
25 1.2 23.2 4.4 3
26 1.2 24.2 4.5 3.1
27 1.2 25.1 4.6 3.1
28 1.5 25.9 4.7 3.2
29 1.5 26.9 4.8 3.4
30 1.5 27.9 5 3.5
32 1.5 29.6 5.2 3.6
33 1.5 30.5 5.3 3.7
34 1.5 31.5 5.4 3.8
35 1.5 32.2 5.6 3.9
36 1.75 33.2 5.6 4
37 1.75 34.2 5.7 4.1
38 1.75 35.2 5.8 4.2
40 1.75 36.5 6 4.4
42 1.75 38.5 6.5 4.5
45 1.75 41.5 6.7 4.7
47 1.75 43.5 6.8 4.9
48 1.75 44.5 6.9 5
50 2 45.8 6.9 5.1
52 2 47.8 7 5.2
55 2 50.8 7.2 5.4
56 2 51.8 7.3 5.5
57 2 52.8 7.3 5.6
58 2 53.8 7.3 5.65
60 2 55.8 7.4 5.8
62 2 57.8 7.5 6
63 2 58.8 7.6 6.2
65 2.5 60.8 7.8 6.3
68 2.5 63.5 8 6.5
70 2.5 65.5 8.1 6.6
72 2.5 67.5 8.2 6.8
75 2.5 70.5 8.4 7
78 2.5 73.5 8.6 7.3
80 2.5 74.5 8.7 7.4
82 2.5 76.5 8.7 7.6
85 3 79.5 8.8 7.8
88 3 82.5 8.8 8
90 3 84.5 9.4 8.2
95 3 89.5 9.6 8.6
100 3 94.5 9.9 9
105 4 98 10.1 9.3
110 4 103 10.6 9.6
115 4 108 11 9.8
120 4 113 11.4 10.2
125 4 118 11.6 10.4
130 4 123 11.8 10.7
135 4 128 12 11
140 4 133 12.2 11.2
145 4 138 13 11.5
150 4 142 13 11.8
155 4 146 13.3 12
160 4 151 13.5 12.2
165 4 155.5 13.5 12.5
170 4 160.5 13.5 12.9
175 4 165.5 14.2 12.9
180 4 170.5 14.2 13.5
185 4 175.5 14.2 13.5
190 4 180.5 14.2 14
195 4 185.5 14.2 14
200 4 190.5 14.2 14
210 5 198 14.2 14
215 5 203 14.2 14
220 5 208 14.2 14
230 5 218 14.2 14
240 5 228 14.2 14
250 5 238 14.2 14
260 5 245 16.2 16
270 5 255 16.2 16
280 5 265 16.2 16
290 5 275 16.2 16
300 5 285 16.2 16
320 6 303 - -
340 6 323 - -
380 6 363 - -
500 7 480 - -