DIN 472 78 Retaining Ring for Bores
In stock in 5 material, grade and finish combinations.
Dimensions at 78
mm · DIN 472 · dimensions from 1981-09 · current edition 2026-05| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 78 | – | – |
| s | Ring thickness | 2.5 | – | – |
| d3 | Free diameter | 82.5 | – | – |
| a | Lug radial width | – | – | 8.5 |
| b | Ring width opposite opening | 6.8 | – | – |
| d5 | Lug hole diameter | 3 | – | – |
| d2 | Groove diameter | 81 | – | – |
| m | Groove width | 2.65 | – | – |
| t | Groove depth | 1.5 | – | – |
| n | Edge margin | – | 4.5 | – |
- Approx. weight
- ≈ 20.40 kg per 1 000 pieces · Bare steel, before coating and packing.49.0 pieces per kg