Housing tolerances and resultant fits

Housing
Nominal
bore diameter
Bearing
Outside diameter
tolerance
Housing bore diameter deviations, resultant fits1)
Tolerance classes
D tΔDmp H7Ⓔ H8Ⓔ H9Ⓔ H10Ⓔ J6Ⓔ


Deviations (housing bore diameter)


Theoretical interference (–)/clearance (+)
over incl. low high Probable interference (–)/clearance (+)
mm µm µm














6 10 0 –8 0 +15 0 +22 0 +36 0 +58 –4 +5




0 +23 0 +30 0 +44 0 +66 –4 +13




+3 +20 +3 +27 +3 +41 +3 +63 –2 +11














10 18 0 –8 0 +18 0 +27 0 +43 0 +70 –5 +6




0 +26 0 +35 0 +51 0 +78 –5 +14




+3 +23 +3 +32 +3 +48 +3 +75 –3 +12














18 30 0 –9 0 +21 0 +33 0 +52 0 +84 –5 +8




0 +30 0 +42 0 +61 0 +93 –5 +17




+3 +27 +3 +39 +4 +57 +4 +89 –2 +14














30 50 0 –11 0 +25 0 +39 0 +62 0 +100 –6 +10




0 +36 0 +50 0 +73 0 +111 –6 +21




+4 +32 +4 +46 +5 +68 +5 +106 –3 +18














50 80 0 –13 0 +30 0 +46 0 +74 0 +120 –6 +13




0 +43 0 +59 0 +87 0 +133 –6 +26




+5 +38 +5 +54 +5 +82 +6 +127 –2 +22














80 120 0 –15 0 +35 0 +54 0 +87 0 +140 –6 +16




0 +50 0 +69 0 +102 0 +155 –6 +31




+5 +45 +6 +63 +6 +96 +7 +148 –1 +26














120 150 0 –18 0 +40 0 +63 0 +100 0 +160 –7 +18




0 +58 0 +81 0 +118 0 +178 –7 +36




+7 +51 +7 +74 +8 +110 +8 +170 –1 +30














150 180 0 –25 0 +40 0 +63 0 +100 0 +160 –7 +18




0 +65 0 +88 0 +125 0 +185 –7 +43




+8 +57 +10 +78 +10 +115 +11 +174 0 +36














180 250 0 –30 0 +46 0 +72 0 +115 0 +185 –7 +22




0 +76 0 +102 0 +145 0 +215 –7 +52




+10 +66 +12 +90 +13 +132 +13 +202 +1 +44














250 315 0 –35 0 +52 0 +81 0 +130 0 +210 –7 +25




0 +87 0 +116 0 +165 0 +245 –7 +60




+12 +75 +13 +103 +15 +150 +16 +229 +2 +51














315 400 0 –40 0 +57 0 +89 0 +140 0 +230 –7 +29




0 +97 0 +129 0 +180 0 +270 –7 +69




+13 +84 +15 +114 +17 +163 +18 +252 +4 +58














400 500 0 –45 0 +63 0 +97 0 +155 0 +250 –7 +33




0 +108 0 +142 0 +200 0 +295 –7 +78




+15 +93 +17 +125 +19 +181 +20 +275 +5 +66














500 630 0 –50 0 +70 0 +110 0 +175 0 +280




0 +120 0 +160 0 +225 0 +330




+16 +104 +19 +141 +21 +204 +22 +308














630 800 0 –75 0 +80 0 +125 0 +200 0 +320




0 +155 0 +200 0 +275 0 +395




+22 +133 +27 +173 +30 +245 +33 +362














800 1 000 0 –100 0 +90 0 +140 0 +230 0 +360




0 +190 0 +240 0 +330 0 +460




+27 +163 +33 +207 +39 +291 +43 +417














1 000 1 250 0 –125 0 +105 0 +165 0 +260 0 +420




0 +230 0 +290 0 +385 0 +545




+33 +197 +41 +249 +48 +337 +53 +492














1 250 1 600 0 –160 0 +125 0 +195 0 +310 0 +500




0 +285 0 +355 0 +470 0 +660




+40 +245 +51 +304 +60 +410 +67 +593














1 600 2 000 0 –200 0 +150 0 +230 0 +370 0 +600




0 +350 0 +430 0 +570 0 +800




+50 +300 +62 +368 +74 +496 +83 +717














2 000 2 500 0 –250 0 +175 0 +280 0 +440 0 +700




0 +425 0 +530 0 +690 0 +950




+59 +366 +77 +453 +91 +599 +103 +847














  1. 1) Values are valid for most bearings with Normal tolerances. For exceptions, refer to Tolerances and resultant fits.

Contact us