DIN 471 — Retaining rings for shafts
Data sheet · Revision 01 · 2026-09-17

Selected dimensions
| d nom. nom (mm) | s (mm) | d3 (mm) |
|---|---|---|
| 3 | 0.4 | 2.7 |
| 4 | 0.4 | 3.7 |
| 5 | 0.6 | 4.7 |
| 6 | 0.7 | 5.6 |
| 7 | 0.8 | 6.5 |
| 9 | 1 | 8.4 |
| 13 | 1 | 11.9 |
| 14 | 1 | 12.9 |
| 15 | 1 | 13.8 |
| 16 | 1 | 14.7 |
| 17 | 1 | 15.7 |
| 18 | 1.2 | 16.5 |
| 19 | 1.2 | 17.5 |
| 20 | 1.2 | 18.5 |
| 21 | 1.2 | 19.5 |
| 22 | 1.2 | 20.5 |
| 24 | 1.2 | 22.2 |
| 25 | 1.2 | 23.2 |
| 26 | 1.2 | 24.2 |
| 28 | 1.5 | 25.9 |
| 29 | 1.5 | 26.9 |
| 30 | 1.5 | 27.9 |
| 32 | 1.5 | 29.6 |
| 33 | 1.5 | 30.5 |
| 34 | 1.5 | 31.5 |
| 35 | 1.5 | 32.2 |
| 36 | 1.75 | 33.2 |
| 37 | 1.75 | 34.2 |
| 38 | 1.75 | 35.2 |
| 40 | 1.75 | 36.5 |
| 41 | 1.75 | 37.5 |
| 42 | 1.75 | 38.5 |
| 44 | 1.75 | 40.5 |
| 45 | 1.75 | 41.5 |
| 46 | 1.75 | 42.5 |
| 47 | 1.75 | 43.5 |
| 48 | 1.75 | 44.5 |
| 50 | 2 | 45.8 |
| 52 | 2 | 47.8 |
| 54 | 2 | 49.8 |
| 55 | 2 | 50.8 |
| 56 | 2 | 51.8 |
d: nominal shaft diameter (not a thread); s: ring thickness; d3: free ring diameter, not groove diameter.
