Housing tolerances and resultant fits

Housing
Nominal
bore diameter
Bearing
Outside diameter
tolerance
Housing bore diameter deviations, resultant fits1)
Tolerance classes
D tΔDmp F7Ⓔ G6Ⓔ G7Ⓔ H5Ⓔ H6Ⓔ


Deviations (housing bore diameter)


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














6 10 0 –8 +13 +28 +5 +14 +5 +20 0 +6 0 +9




+13 +36 +5 +22 +5 +28 0 +14 0 +17




+16 +33 +7 +20 +8 +25 +2 +12 +2 +15














10 18 0 –8 +16 +34 +6 +17 +6 +24 0 +8 0 +11




+16 +42 +6 +25 +6 +32 0 +16 0 +19




+19 +39 +8 +23 +9 +29 +2 +14 +2 +17














18 30 0 –9 +20 +41 +7 +20 +7 +28 0 +9 +0 +13




+20 +50 +7 +29 +7 +37 0 +18 0 +22




+23 +47 +10 +26 +10 +34 +2 +16 +3 +19














30 50 0 –11 +25 +50 +9 +25 +9 +34 0 +11 0 +16




+25 +61 +9 +36 +9 +45 0 +22 0 +27




+29 +57 +12 +33 +13 +41 +3 +19 +3 +24














50 80 0 –13 +30 +60 +10 +29 +10 +40 0 +13 0 +19




+30 +73 +10 +42 +10 +53 0 +26 0 +32




+35 +68 +14 +38 +15 +48 +3 +23 +4 +28














80 120 0 –15 +36 +71 +12 +34 +12 +47 0 +15 0 +22




+36 +86 +12 +49 +12 +62 0 +30 0 +37




+41 +81 +17 +44 +17 +57 +4 +26 +5 +32














120 150 0 –18 +43 +83 +14 +39 +14 +54 0 +18 0 +25




+43 +101 +14 +57 +14 +72 0 +36 0 +43




+50 +94 +20 +51 +21 +65 +5 +31 +6 +37














150 180 0 –25 +43 +83 +14 +39 +14 +54 0 +18 0 +25




+43 +108 +14 +64 +14 +79 0 +43 0 +50




+51 +100 +21 +57 +22 +71 +6 +37 +7 +43














180 250 0 –30 +50 +96 +15 +44 +15 +61 0 +20 0 +29




+50 +126 +15 +74 +15 +91 0 +50 0 +59




+60 +116 +23 +66 +25 +81 +6 +44 +8 +51














250 315 0 –35 +56 +108 +17 +49 +17 +69 0 +23 0 +32




+56 +143 +17 +84 +17 +104 0 +58 0 +67




+68 +131 +26 +75 +29 +92 +8 +50 +9 +58














315 400 0 –40 +62 +119 +18 +54 +18 +75 0 +25 0 +36




+62 +159 +18 +94 +18 +115 0 +65 0 +76




+75 +146 +29 +83 +31 +102 +8 +57 +11 +65














400 500 0 –45 +68 +131 +20 +60 +20 +83 0 +27 0 +40




+68 +176 +20 +105 +20 +128 0 +72 0 +85




+83 +161 +32 +93 +35 +113 +9 +63 +12 +73














500 630 0 –50 +76 +146 +22 +66 +22 +92 0 +28 0 +44




+76 +196 +22 +116 +22 +142 0 +78 0 +94




+92 +180 +35 +103 +38 +126 +10 +68 +13 +81














630 800 0 –75 +80 +160 +24 +74 +24 +104 0 +32 0 +50




+80 +235 +24 +149 +24 +179 0 +107 0 +125




+102 +213 +41 +132 +46 +157 +12 +95 +17 +108














800 1 000 0 –100 +86 +176 +26 +82 +26 +116 0 +36 0 +56




+86 +276 +26 +182 +26 +216 0 +136 0 +156




+113 +249 +46 +162 +53 +189 +14 +122 +20 +136














1 000 1 250 0 –125 +98 +203 +28 +94 +28 +133 0 +42 0 +66




+98 +328 +28 +219 +28 +258 0 +167 0 +191




+131 +295 +52 +195 +61 +225 +17 +150 +24 +167














1 250 1 600 0 –160 +110 +235 +30 +108 +30 +155 0 +50 0 +78


















+150 +355 +60 +238 +70 +275 +21 +189 +30 +208














1 600 2 000 0 –200 +120 +270 +32 +124 +32 +182 0 +60 0 +92




+120 +470 +32 +324 +32 +382 0 +260 0 +292




+170 +420 +67 +289 +82 +332 +25 +235 +35 +257














2 000 2 500 0 –250 +130 +305 +34 +144 +34 +209 0 +70 0 +110




+130 +555 +34 +394 +34 +459 0 +320 0 +360




+189 +496 +77 +351 +93 +400 +30 +290 +43 +317














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

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