Tolerances for thrust bearings
Loyal bearings
|
Nominal diameter |
Shaft washer | Housing washer | |||||||||||||
| Tolerance classes | Tolerance classes | Tolerance classes | |||||||||||||
| d, d2, D1) | Normal, P6, P5 | Normal | P6 | P5 | Normal, P6, P5 | ||||||||||
| tΔdmp, tΔd2mp | tVdsp, tVd2sp | tSi2)3) | tSi2)3) | tSi2)3) | tΔDmp | tVDsp | tSe2) | ||||||||
| > | ≤ | U | L | U | L | ||||||||||
| mm | μm | μm | μm | μm | μm | μm | μm | ||||||||
| – | 18 | 0 | –8 | 6 | 10 | 5 | 3 | 0 | –11 | 8 | Identical to tSi of shaft washer of same bearing |
||||
| 18 | 30 | 0 | –10 | 8 | 10 | 5 | 3 | 0 | –13 | 10 | |||||
| 30 | 50 | 0 | –12 | 9 | 10 | 6 | 3 | 0 | –16 | 12 | |||||
| 50 | 80 | 0 | –15 | 11 | 10 | 7 | 4 | 0 | –19 | 14 | |||||
| 80 | 120 | 0 | –20 | 15 | 15 | 8 | 4 | 0 | –22 | 17 | |||||
| 120 | 180 | 0 | –25 | 19 | 15 | 9 | 5 | 0 | –25 | 19 | |||||
| 180 | 250 | 0 | –30 | 23 | 20 | 10 | 5 | 0 | –30 | 23 | |||||
| 250 | 315 | 0 | –35 | 26 | 25 | 13 | 7 | 0 | –35 | 26 | |||||
| 315 | 400 | 0 | –40 | 30 | 30 | 15 | 7 | 0 | –40 | 30 | |||||
| 400 | 500 | 0 | –45 | 34 | 30 | 18 | 9 | 0 | –45 | 34 | |||||
| 500 | 630 | 0 | –50 | 38 | 35 | 21 | 11 | 0 | –50 | 38 | |||||
| 630 | 800 | 0 | –75 | 55 | 40 | 25 | 13 | 0 | –75 | 55 | |||||
| 800 | 1 000 | 0 | –100 | 75 | 45 | 30 | 15 | 0 | –100 | 75 | |||||
| 1 000 | 1 250 | 0 | –125 | 95 | 50 | 35 | 18 | 0 | –125 | 95 | |||||
| 1 250 | 1 600 | 0 | –160 | 120 | 60 | 40 | 25 | 0 | –160 | 120 | |||||
| 1 600 | 2 000 | 0 | –200 | 150 | 75 | 45 | 30 | 0 | –200 | 150 | |||||
| 2 000 | 2 500 | 0 | –250 | 190 | 90 | 50 | 40 |
0 | –250 | 190 | |||||
| Bearing height | |||||||||||||||
| d, d21) | tΔTs | tΔT1s4) | tΔT1s | tΔT3s4) | tΔT4s4)5) | ||||||||||
| Single direction bearings without seat washer |
Single direction bearings with seat washer |
Double direction bearings without seat washers |
Double direction bearings with seat washers |
Spherical roller thrust bearings |
|||||||||||
| SKF | SKF Explorer | ||||||||||||||
| > | ≤ | U | L | U | L | U | L | U | L | U | L | U | L | ||
| mm | μm | μm | μm | μm | μm | ||||||||||
| – | 30 | +20 | –250 | +100 | –250 | +150 | –400 | +300 | –400 | – | – | – | – | ||
| 30 | 50 | +20 | –250 | +100 | –250 | +150 | –400 | +300 | –400 | – | – | – | – | ||
| 50 | 80 | +20 | –300 | +100 | –300 | +150 | –500 | +300 | –500 | 0 | –125 | 0 | –100 | ||
| 80 | 120 | +25 | –300 | +150 | –300 | +200 | –500 | +400 | –500 | 0 | –150 | 0 | –100 | ||
| 120 | 180 | +25 | –400 | +150 | –400 | +200 | –600 | +400 | –600 | 0 | –175 | 0 | –125 | ||
| 180 | 250 | +30 | –400 | +150 | –400 | +250 | –600 | +500 | –600 | 0 | –200 | 0 | –125 | ||
| 250 | 315 | +40 | –400 | – | – | – | – | – | – | 0 | –225 | 0 | –150 | ||
| 315 | 400 | +40 | –500 | – | – | – | – | – | – | 0 | –300 | 0 | –200 | ||
| 400 | 500 | +50 | –500 | – | – | – | – | – | – | 0 | –400 | – | – | ||
| 500 | 630 | +60 | –600 | – | – | – | – | – | – | 0 | –500 | – | – | ||
| 630 | 800 | +70 | –750 | – | – | – | – | – | – | 0 | –630 | – | – | ||
| 800 | 1 000 | +80 | –1 000 | – | – | – | – | – | – | 0 | –800 | – | – | ||
| 1 000 | 1 250 | +100 | –1 400 | – | – | – | – | – | – | 0 | –1 000 | – | – | ||
| 1 250 | 1 600 | +120 | –1 600 | – | – | – | – | – | – | 0 | –1 200 | – | – | ||
| 1 600 | 2 000 | +140 | –1 900 | – | – | – | – | – | – | – | – | – | – | ||
| 2 000 | 2 500 | +160 | –2 300 | – | – | – | – | – | – | – | – | – | – | ||
-
1)
For double direction bearings, the values apply only for d2 ≤ 190 mm and D ≤ 360 mm. -
2)
Applies only to thrust ball bearings and thrust cylindrical roller bearings, each with 90° contact angle. -
3)
Not applicable for central shaft washers. -
4)
Not included in ISO 199. -
5)
ISO 199 uses symbol T.
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