SKF rod end inner ring dimensional tolerances are in accordance with ISO 12240-4:1998. The tolerances for the steel/steel rod end inner rings are listed as below:
Inner ring dimensional tolerances for steel/steel, SKF Explorer steel/steel and steel/bronze rod ends
| Bore diameter | Series | Series | Series | ||||||||||
| SA(A), SI(A), SIJ, SIR, SC, SCF | SIQG | SIKAC, SAKAC | |||||||||||
| d | Δdmp | ΔBs | Δdmp | ΔBs | Δdmp | ΔBs | |||||||
| over | incl. | high | low | high | low | high | low | high | low | high | low | high | low |
| mm | μm | μm | μm | μm | μm | μm | |||||||
| 2,5 | 3 | 0 | -8 | 0 | -120 | - | - | - | - | 10 | 0 | 0 | -120 |
| 3 | 6 | 0 | -8 | 0 | -120 | - | - | - | - | 12 | 0 | 0 | -120 |
| 6 | 10 | 0 | -8 | 0 | -120 | - | - | - | - | 15 | 0 | 0 | -120 |
| 10 | 18 | 0 | -8 | 0 | -120 | 18 | 0 | 0 | -180 | 18 | 0 | 0 | -120 |
| 18 | 30 | 0 | -10 | 0 | -120 | 21 | 0 | 0 | -210 | 21 | 0 | 0 | -120 |
| 30 | 50 | 0 | -12 | 0 | -120 | 25 | 0 | 0 | -250 | - | - | - | - |
| 50 | 80 | 0 | -15 | 0 | -150 | 30 | 0 | 0 | -300 | - | - | - | - |
| 80 | 120 | 0 | -20 | 0 | -200 | 35 | 0 | 0 | -350 | - | - | - | - |
| 120 | 180 | - | - | - | - | 40 | 0 | 0 | -400 | - | - | - | - |
| 180 | 250 | - | - | - | - | 46 | 0 | 0 | -460 | - | - | - | - |
- d: nominal bore diameter
- Δdmp: deviation of the mean bore diameter from the nominal in a single plane
- ΔBs: deviation of the single inner ring width from the nominal
- Please refer to SKF bearing tolerances.










