The dimensional tolerances for metric radial SKF spherical plain bearings requiring maintenance in the GE, GEG, GEH and GEM series are listed as below:
| Inner ring | GE, GEH and GEM series | GEG series | |||||||
| d | Δdmp | ΔBs | Δdmp | ΔBs | |||||
| over | incl. | high | low | high | low | high | low | high | low |
| mm | μm | μm | μm | μm | |||||
| - | 6 | 0 | -8 | 0 | -120 | +12 | 0 | 0 | - |
| 6 | 10 | 0 | -8 | 0 | -120 | +15 | 0 | 0 | - |
| 10 | 18 | 0 | -8 | 0 | -120 | +18 | 0 | 0 | -180 |
| 18 | 30 | 0 | -10 | 0 | -120 | +21 | 0 | 0 | -210 |
| 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 | 0 | -25 | 0 | -250 | +40 | 0 | 0 | -400 |
| 180 | 250 | 0 | -30 | 0 | -300 | +46 | 0 | 0 | -460 |
| 250 | 315 | 0 | -35 | 0 | -350 | +52 | 0 | 0 | -520 |
| 315 | 400 | 0 | -40 | 0 | -400 | +57 | 0 | 0 | -570 |
| 400 | 500 | 0 | -45 | 0 | -450 | - | - | 0 | |
| 500 | 620 | 0 | -50 | 0 | -500 | - | - | 0 | |
| 620 | 800 | 0 | -75 | 0 | -750 | - | - | 0 | |
| 800 | 1 000 | 0 | -100 | 0 | -1 000 | - | - | 0 | |
| 1 000 | 1 250 | 0 | -125 | 0 | -1 250 | - | - | 0 | |
- d: nominal bore diameter
- Δdmp: deviation of the mean bore diameter from the nominal in a single plane
- ΔBs: deviation of a single inner ring width from the nominal
- please refer to SKF bearing tolerances for more information.
The dimensional tolerances for inch SKF radial spherical plain bearings in the GEZ, GEZH and GEZM series are listed as below:
| Inner ring | |||||
| d | Δdmp | ΔBs | |||
| over | incl. | high | low | high | low |
| mm | μm | μm | |||
| 2,540 | 19,050 | 0 | -13 | 0 | -130 |
| 19,050 | 31,750 | 0 | -13 | 0 | -130 |
| 31,750 | 50,800 | 0 | -13 | 0 | -130 |
| 50,800 | 76,200 | 0 | -15 | 0 | -130 |
| 76,200 | 82,550 | 0 | -20 | 0 | -130 |
| 82,550 | 120,650 | 0 | -20 | 0 | -130 |
| 120,650 | 152,400 | 0 | -25 | 0 | -130 |
Outer ring tolerances apply to conditions before fracture and surface treatment. Accordingly, inner ring tolerances apply to rings before surface treatment.
|
Outer ring (all series) |
|||||
| D | ΔDmp | ΔCs | |||
| over | incl. | high | low | high | low |
| mm | μm | μm | |||
| 6 | 18 | 0 | -8 | 0 | -240 |
| 18 | 30 | 0 | -9 | 0 | -240 |
| 30 | 50 | 0 | -11 | 0 | -240 |
| 50 | 80 | 0 | -13 | 0 | -300 |
| 80 | 120 | 0 | -15 | 0 | -400 |
| 120 | 150 | 0 | -18 | 0 | -500 |
| 150 | 180 | 0 | -25 | 0 | -500 |
| 180 | 250 | 0 | -30 | 0 | -600 |
| 250 | 315 | 0 | -35 | 0 | -700 |
| 315 | 400 | 0 | -40 | 0 | -800 |
| 400 | 500 | 0 | -45 | 0 | -900 |
| 500 | 630 | 0 | -50 | 0 | -1 000 |
| 630 | 800 | 0 | -75 | 0 | -1 100 |
| 800 | 1 000 | 0 | -100 | 0 | -1 200 |
| 1 000 | 1 250 | 0 | -125 | 0 | -1 300 |
| 1 250 | 1 600 | 0 | -160 | 0 | -1 600 |
| 1 600 | 2 000 | 0 | -200 | 0 | -2 000 |
- D: nominal outer diameter
- ΔDmp: deviation of the mean outer diameter from the nominal in a single plane
- ΔCs: deviation of a single outer ring width from the nominal