DIN 472 40 Retaining Ring for Bores
In stock in 5 material, grade and finish combinations.
Dimensions at 40
mm · DIN 472 · dimensions from 1981-09 · current edition 2026-05| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 40 | – | – |
| s | Ring thickness | 1.75 | – | – |
| d3 | Free diameter | 43.5 | – | – |
| a | Lug radial width | – | – | 5.8 |
| b | Ring width opposite opening | 3.9 | – | – |
| d5 | Lug hole diameter | 2.5 | – | – |
| d2 | Groove diameter | 42.5 | – | – |
| m | Groove width | 1.85 | – | – |
| t | Groove depth | 1.25 | – | – |
| n | Edge margin | – | 3.8 | – |
- Approx. weight
- ≈ 4.70 kg per 1 000 pieces · Bare steel, before coating and packing.213 pieces per kg