DIN 472 dimensions — Retaining rings for bores, Normal type
- Edition
- dimensions from the 1981-09 edition · current edition DIN 472:2026-05
- Related
- DIN 5256
| Size | sRing thickness | mGroove width | d3Free diameter | aLug radial width | bRing width opposite opening | d5Lug hole diameter | d2Groove diameter | tGroove depth | nEdge margin |
|---|---|---|---|---|---|---|---|---|---|
| max | min | ||||||||
| 8 | 0.8 | 0.9 | 8.7 | 2.4 | 1.1 | 1 | 8.4 | 0.2 | 0.6 |
| 10 | 1 | 1.1 | 10.8 | 3.2 | 1.4 | 1.2 | 10.4 | 0.2 | 0.6 |
| 12 | 1 | 1.1 | 13 | 3.4 | 1.7 | 1.5 | 12.5 | 0.25 | 0.8 |
| 14 | 1 | 1.1 | 15.1 | 3.7 | 1.9 | 1.7 | 14.6 | 0.3 | 0.9 |
| 16 | 1 | 1.1 | 17.3 | 3.8 | 2 | 1.7 | 16.8 | 0.4 | 1.2 |
| 18 | 1 | 1.1 | 19.5 | 4.1 | 2.2 | 2 | 19 | 0.5 | 1.5 |
| 20 | 1 | 1.1 | 21.5 | 4.2 | 2.3 | 2 | 21 | 0.5 | 1.5 |
| 22 | 1 | 1.1 | 23.5 | 4.2 | 2.5 | 2 | 23 | 0.5 | 1.5 |
| 24 | 1.2 | 1.3 | 25.9 | 4.4 | 2.6 | 2 | 25.2 | 0.6 | 1.8 |
| 25 | 1.2 | 1.3 | 26.9 | 4.5 | 2.7 | 2 | 26.2 | 0.6 | 1.8 |
| 26 | 1.2 | 1.3 | 27.9 | 4.7 | 2.8 | 2 | 27.2 | 0.6 | 1.8 |
| 28 | 1.2 | 1.3 | 30.1 | 4.8 | 2.9 | 2 | 29.4 | 0.7 | 2.1 |
| 30 | 1.2 | 1.3 | 32.1 | 4.8 | 3 | 2 | 31.4 | 0.7 | 2.1 |
| 32 | 1.2 | 1.3 | 34.4 | 5.4 | 3.2 | 2.5 | 33.7 | 0.85 | 2.6 |
| 34 | 1.5 | 1.6 | 36.5 | 5.4 | 3.3 | 2.5 | 35.7 | 0.85 | 2.6 |
| 35 | 1.5 | 1.6 | 37.8 | 5.4 | 3.4 | 2.5 | 37 | 1 | 3 |
| 36 | 1.5 | 1.6 | 38.8 | 5.4 | 3.5 | 2.5 | 38 | 1 | 3 |
| 38 | 1.5 | 1.6 | 40.8 | 5.5 | 3.7 | 2.5 | 40 | 1 | 3 |
| 40 | 1.75 | 1.85 | 43.5 | 5.8 | 3.9 | 2.5 | 42.5 | 1.25 | 3.8 |
| 42 | 1.75 | 1.85 | 45.5 | 5.9 | 4.1 | 2.5 | 44.5 | 1.25 | 3.8 |
| 45 | 1.75 | 1.85 | 48.5 | 6.2 | 4.3 | 2.5 | 47.5 | 1.25 | 3.8 |
| 48 | 1.75 | 1.85 | 51.5 | 6.4 | 4.5 | 2.5 | 50.5 | 1.25 | 3.8 |
| 50 | 2 | 2.15 | 54.2 | 6.5 | 4.6 | 2.5 | 53 | 1.5 | 4.5 |
| 52 | 2 | 2.15 | 56.2 | 6.7 | 4.7 | 2.5 | 55 | 1.5 | 4.5 |
| 55 | 2 | 2.15 | 59.2 | 6.8 | 5 | 2.5 | 58 | 1.5 | 4.5 |
| 56 | 2 | 2.15 | 60.2 | 6.8 | 5.1 | 2.5 | 59 | 1.5 | 4.5 |
| 58 | 2 | 2.15 | 62.2 | 6.9 | 5.2 | 2.5 | 61 | 1.5 | 4.5 |
| 60 | 2 | 2.15 | 64.2 | 7.3 | 5.4 | 2.5 | 63 | 1.5 | 4.5 |
| 62 | 2 | 2.15 | 66.2 | 7.3 | 5.5 | 2.5 | 65 | 1.5 | 4.5 |
| 63 | 2 | 2.15 | 67.2 | 7.3 | 5.6 | 2.5 | 66 | 1.5 | 4.5 |
| 65 | 2.5 | 2.65 | 69.2 | 7.6 | 5.8 | 3 | 68 | 1.5 | 4.5 |
| 68 | 2.5 | 2.65 | 72.5 | 7.8 | 6.1 | 3 | 71 | 1.5 | 4.5 |
| 70 | 2.5 | 2.65 | 74.5 | 7.8 | 6.2 | 3 | 73 | 1.5 | 4.5 |
| 72 | 2.5 | 2.65 | 76.5 | 7.8 | 6.4 | 3 | 75 | 1.5 | 4.5 |
| 75 | 2.5 | 2.65 | 79.5 | 7.8 | 6.6 | 3 | 78 | 1.5 | 4.5 |
| 78 | 2.5 | 2.65 | 82.5 | 8.5 | 6.8 | 3 | 81 | 1.5 | 4.5 |
| 80 | 2.5 | 2.65 | 85.5 | 8.5 | 7 | 3 | 83.5 | 1.75 | 5.3 |
| 82 | 2.5 | 2.65 | 87.5 | 8.5 | 7 | 3 | 85.5 | 1.75 | 5.3 |
| 85 | 3 | 3.15 | 90.5 | 8.6 | 7.2 | 3.5 | 88.5 | 1.75 | 5.3 |
| 88 | 3 | 3.15 | 93.5 | 8.6 | 7.4 | 3.5 | 91.5 | 1.75 | 5.3 |
| 90 | 3 | 3.15 | 95.5 | 8.6 | 7.6 | 3.5 | 93.5 | 1.75 | 5.3 |
| 92 | 3 | 3.15 | 97.5 | 8.7 | 7.8 | 3.5 | 95.5 | 1.75 | 5.3 |
| 95 | 3 | 3.15 | 100.5 | 8.8 | 8.1 | 3.5 | 98.5 | 1.75 | 5.3 |
| 98 | 3 | 3.15 | 103.5 | 9 | 8.3 | 3.5 | 101.5 | 1.75 | 5.3 |
| 100 | 3 | 3.15 | 105.5 | 9.2 | 8.4 | 3.5 | 103.5 | 1.75 | 5.3 |
Dimensions from DIN 472:1981-09. The current edition is DIN 472:2026-05.