DIN 471 55 Retaining Ring for Shafts
In stock in 5 material, grade and finish combinations.
Dimensions at 55
mm · DIN 471 · dimensions from 1981-09 · current edition 2026-05| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 55 | – | – |
| s | Ring thickness | 2 | – | – |
| d3 | Free diameter | 50.8 | – | – |
| a | Lug radial width | – | – | 7.2 |
| b | Ring width opposite opening | 5.4 | – | – |
| d5 | Lug hole diameter | 2.5 | – | – |
| d2 | Groove diameter | 52 | – | – |
| m | Groove width | 2.15 | – | – |
| t | Groove depth | 1.5 | – | – |
| n | Edge margin | – | 4.5 | – |
- Approx. weight
- ≈ 11.40 kg per 1 000 pieces · Bare steel, before coating and packing.87.7 pieces per kg