| Type of protective element | circlip |
| Material | spring steel |
| Manufacturer | BOSSARD |
| Kind of circlip | internal |
| BN standard | BN 830 |
| Plating material | black finish |
| Symbol | Internal diameter | Outside diameter | Thickness | Shaft diameter | m |
|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | [mm] | [mm] | |
| B18/BN830 | 14.6 | 19.3 | 1 | 18 | 1.1 |
| B19/BN830 | 15.6 | 20.5 | 1 | 19 | 1.1 |
| B20/BN830 | 16.4 | 21.5 | 1 | 20 | 1.1 |
| B26/BN830 | 21.2 | 27.9 | 1.2 | 26 | 1.3 |
| B28/BN830 | 23.2 | 30.1 | 1.2 | 28 | 1.3 |
| B32/BN830 | 27.1 | 34.4 | 1.2 | 32 | 1.3 |
| B35/BN830 | 30.2 | 37.8 | 1.5 | 35 | 1.6 |
| B42/BN830 | 36.1 | 45.5 | 1.75 | 42 | 1.85 |
| B45/BN830 | 39.1 | 48.5 | 1.75 | 45 | 1.85 |
| B50/BN830 | 42.6 | 54.2 | 2 | 50 | 2.15 |
| B60/BN830 | 52.6 | 64.2 | 2 | 60 | 2.15 |