| Material | Nicht geschmiert | Geschmiert | 
| Stahl - Stahl | 0.8 | 0.16 | 
| Stahl - Gusseisen | 0.4 | 0.21 | 
| Stahl - Messing | 0.35 | 0.19 | 
| Stahl - Messing | 0.13 | 0.16 | 
| Gusseisen - Gusseisen | 1 | 0.15 - 0.20 | 
| Gusseisen - Bronze | 0.25 | 0.08 | 
| Bronze - Bronze | 0.25 | 0.10 | 
| Aluminium - Aluminium | 1.35 | 0.30 | 
| Kupfer - Kupfer | 1 | 0.08 | 
| Stahl - Plexiglas | 0.4 - 0.5 | 0.4 - 0.5 | 
| Plexiglas - Plexiglas | 0.8 | 0.8 |