Housing tolerances and resultant fits
|
Housing Nominal bore diameter |
Bearing Outside diameter tolerance |
Housing bore diameter deviations, resultant fits1) Tolerance classes |
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| D | tΔDmp | K6Ⓔ | K7Ⓔ | M5Ⓔ | M6Ⓔ | M7Ⓔ | |||||||
| Deviations (housing bore diameter) | |||||||||||||
| Theoretical interference (–)/clearance (+) | |||||||||||||
| over | incl. | low | high | Probable interference (–)/clearance (+) | |||||||||
| mm | µm | µm | |||||||||||
| 6 | 10 | 0 | –8 | –7 | +2 | –10 | +5 | –10 | –4 | –12 | –3 | –15 | 0 |
| –7 | +10 | –10 | +13 | –10 | +4 | –12 | +5 | –15 | +8 | ||||
| –5 | +8 | –7 | +10 | –8 | +2 | –10 | +3 | –12 | +5 | ||||
| 10 | 18 | 0 | –8 | –9 | +2 | –12 | +6 | –12 | –4 | –15 | –4 | –18 | 0 |
| –9 | +10 | –12 | +14 | –12 | +4 | –15 | +4 | –18 | +8 | ||||
| –7 | +8 | –9 | +11 | –10 | +2 | –13 | +2 | –15 | +5 | ||||
| 18 | 30 | 0 | –9 | –11 | +2 | –15 | +6 | –14 | –4 | –17 | –4 | –21 | 0 |
| –11 | +11 | –15 | +15 | –14 | +4 | –17 | +5 | –21 | +9 | ||||
| –8 | +8 | –12 | +12 | –12 | +2 | –14 | +2 | –18 | +6 | ||||
| 30 | 50 | 0 | –11 | –13 | +3 | –18 | +7 | –16 | –5 | –20 | –4 | –25 | 0 |
| –13 | +14 | –18 | +18 | –16 | +6 | –20 | +7 | –25 | +11 | ||||
| –10 | +11 | –14 | +14 | –13 | +3 | –17 | +4 | –21 | +7 | ||||
| 50 | 80 | 0 | –13 | –15 | +4 | –21 | +9 | –19 | –6 | –24 | –5 | –30 | 0 |
| –15 | +17 | –21 | +22 | –19 | +7 | –24 | +8 | –30 | +13 | ||||
| –11 | +13 | –16 | +17 | –16 | +4 | –20 | +4 | –25 | +8 | ||||
| 80 | 120 | 0 | –15 | –18 | +4 | –25 | +10 | –23 | –8 | –28 | –6 | –35 | 0 |
| –18 | +19 | –25 | +25 | –23 | +7 | –28 | +9 | –35 | +15 | ||||
| –13 | +14 | –20 | +20 | –19 | +3 | –23 | +4 | –30 | +10 | ||||
| 120 | 150 | 0 | –18 | –21 | +4 | –28 | +12 | –27 | –9 | –33 | –8 | –40 | 0 |
| –21 | +22 | –28 | +30 | –27 | +9 | –33 | +10 | –40 | +18 | ||||
| –15 | +16 | –21 | +23 | –22 | +4 | –27 | +4 | –33 | +11 | ||||
| 150 | 180 | 0 | –25 | –21 | +4 | –28 | +12 | –27 | –9 | –33 | –8 | –40 | 0 |
| –21 | +29 | –28 | +37 | –27 | +16 | –33 | +17 | –40 | +25 | ||||
| –14 | +22 | –20 | +29 | –21 | +10 | –26 | +10 | –32 | +17 | ||||
| 180 | 250 | 0 | –30 | –24 | +5 | –33 | +13 | –31 | –11 | –37 | –8 | –46 | 0 |
| –24 | +35 | –33 | +43 | –31 | +19 | –37 | +22 | –46 | +30 | ||||
| –16 | +27 | –23 | +33 | –25 | +13 | –29 | +14 | –36 | +20 | ||||
| 250 | 315 | 0 | –35 | –27 | +5 | –36 | +16 | –36 | –13 | –41 | –9 | –52 | 0 |
| –27 | +40 | –36 | +51 | –36 | +22 | –41 | +26 | –52 | +35 | ||||
| –18 | +31 | –24 | +39 | –28 | +14 | –32 | +17 | –40 | +23 | ||||
| 315 | 400 | 0 | –40 | –29 | +7 | –40 | +17 | –39 | –14 | –46 | –10 | –57 | 0 |
| –29 | +47 | –40 | +57 | –39 | +26 | –46 | +30 | –57 | +40 | ||||
| –18 | +36 | –27 | +44 | –31 | +18 | –35 | +19 | –44 | +27 | ||||
| 400 | 500 | 0 | –45 | –32 | +8 | –45 | +18 | –43 | –16 | –50 | –10 | –63 | 0 |
| –32 | +53 | –45 | +63 | –43 | +29 | –50 | +35 | –63 | +45 | ||||
| –20 | +41 | –30 | +48 | –34 | +20 | –38 | +23 | –48 | +30 | ||||
| 500 | 630 | 0 | –50 | –44 | 0 | –70 | 0 | – | – | –70 | –26 | –96 | –26 |
| –44 | +50 | –70 | +50 | – | – | –70 | +24 | –96 | +24 | ||||
| –31 | +37 | –54 | +34 | – | – | –57 | +11 | –80 | +8 | ||||
| 630 | 800 | 0 | –75 | –50 | 0 | –80 | 0 | – | – | –80 | –30 | –110 | –30 |
| –50 | +75 | –80 | +75 | – | – | –80 | +45 | –110 | +45 | ||||
| –33 | +58 | –58 | +53 | – | – | –63 | +28 | –88 | +23 | ||||
| 800 | 1 000 | 0 | –100 | –56 | 0 | –90 | 0 | – | – | –90 | –34 | –124 | –34 |
| –56 | +100 | –90 | +100 | – | – | –90 | +66 | –124 | +66 | ||||
| –36 | +80 | –63 | +73 | – | – | –70 | +46 | –97 | +39 | ||||
| 1 000 | 1 250 | 0 | –125 | –66 | 0 | –105 | 0 | – | – | –106 | –40 | –145 | –40 |
| –66 | +125 | –105 | +125 | – | – | –106 | +85 | –145 | +85 | ||||
| –42 | +101 | –72 | +92 | – | – | –82 | +61 | –112 | +52 | ||||
| 1 250 | 1 600 | 0 | –160 | –78 | 0 | –125 | 0 | – | – | –126 | –48 | –173 | –48 |
| –78 | +160 | –125 | +160 | – | – | –126 | +112 | –173 | +112 | ||||
| –48 | +130 | –85 | +120 | – | – | –96 | +82 | –133 | +72 | ||||
| 1 600 | 2 000 | 0 | –200 | –92 | 0 | –150 | 0 | – | – | –158 | –58 | –208 | –58 |
| –92 | +200 | –150 | +200 | – | – | –150 | +142 | –208 | +142 | ||||
| –57 | +165 | –100 | +150 | – | – | –115 | +107 | –158 | +92 | ||||
| 2 000 | 2 500 | 0 | –250 | –110 | 0 | –175 | 0 | – | – | –178 | –68 | –243 | –68 |
| –110 | +250 | –175 | +250 | – | – | –178 | +182 | –243 | +182 | ||||
| –67 | +207 | –116 | +191 | – | – | –135 | +139 | –184 | +123 | ||||
- 1) Values are valid for most bearings with Normal tolerances. For exceptions, refer to Tolerances and resultant fits.
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