Page 177 - Rollingbearings

Tolerances and resultant its
Table 21
Housing tolerances and resultant its
+
0
–

Housing Bearing Housing bore diameter deviations, resultant its 1)
Nominal bore Outside diameter Tolerance classes
diameter tolerance
D t ΔDmp N6� N7� P6� P7�
Deviations (housing bore diameter)
Theoretical interference (–)/clearance (+)
over incl. low high Probable interference (–)/clearance (+)

mm µm µm

630 800 0 –75 –100 –50 –130 –50 –138 –88 –168 –88
–100 +25 –130 +25 –138 –13 –168 –13
–83 +8 –108 +3 –121 –30 –146 –35
800 1 000 0 –100 –112 –56 –146 –56 –156 –100 –190 –100
–112 +44 –146 +44 –156 0 –190 0
–92 +24 –119 +17 –136 –20 –163 –27
1 000 1 250 0 –125 –132 –66 –171 –66 –186 –120 –225 –120
–132 +59 –171 +59 –186 +5 –225 +5
–108 +35 –138 +26 –162 –19 –192 –28
1 250 1 600 0 –160 –156 –78 –203 –78 –218 –140 –265 –140
–156 +82 –203 +82 –218 +20 –265 +20
–126 +52 –163 +42 –188 –10 –225 –20

1 600 2 000 0 –200 –184 –92 –242 –92 –262 –170 –320 –170
–184 +108 –242 +108 –262 +30 –320 +30
Bearing interfaces
–149 +73 –192 +58 –227 –5 –270 –20
2 000 2 500 0 –250 –220 –110 –285 –110 –305 –195 –370 –195
–220 +140 –285 +140 –305 +55 –370 +55
–177 +97 –226 +81 –262 +12 –311 –4

B.6

1) Values are valid for most bearings with Normal tolerances For exceptions, refer to Tolerances and resultant its, page 153

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