Housing tolerances and resultant fits

Housing
Nominal
bore diameter
Bearing
Outside diameter
tolerance
Housing bore diameter deviations, resultant fits1)
Tolerance classes
D tΔDmp J7Ⓔ JS5Ⓔ JS6Ⓔ JS7Ⓔ K5Ⓔ


Deviations (housing bore diameter)


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














6 10 0 –8 –7 +8 –3 +3 –4,5 +4,5 –7,5 +7,5 –5 +1




–7 +16 –3 +11 –4,5 +12,5 –7,5 +15,5 –5 +9




–4 +13 –1 +9 –3 +11 –5 +13 –3 +7














10 18 0 –8 –8 +10 –4 +4 –5,5 +5,5 –9 +9 –6 +2




–8 +18 –4 +12 –5,5 +13,5 –9 +17 –6 +10




–5 +15 –2 +10 –3 +11 –6 +14 –4 +8














18 30 0 –9 –9 +12 –4,5 +4,5 –6,5 +6,5 –10,5 +10,5 –8 +1




–9 +21 –4,5 +13,5 –6,5 +15,5 –10,5 +19,5 –8 +10




–6 +18 –2 +11 –4 +13 –7 +16 –6 +8














30 50 0 –11 –11 +14 –5,5 +5,5 –8 +8 –12,5 +12,5 –9 +2




–11 +25 –5,5 +16,5 –8 +19 –12,5 +23,5 –9 +13




–7 +21 –3 +14 –5 +16 –9 +20 –6 +10














50 80 0 –13 –12 +18 –6,5 +6,5 –9,5 +9,5 –15 +15 –10 +3




–12 +31 –6,5 +19,5 –9,5 +22,5 –15 +28 –10 +16




–7 +26 –3 +16 –6 +19 –10 +23 –7 +13














80 120 0 –15 –13 +22 –7,5 +7,5 –11 +11 –17,5 +17,5 –13 +2




–13 +37 –7,5 +22,5 –11 +26 –17,5 +32,5 –13 +17




–8 +32 –4 +19 –6 +21 –12 +27 –9 +13














120 150 0 –18 –14 +26 –9 +9 –12,5 +12,5 –20 +20 –15 +3




–14 +44 –9 +27 –12,5 +30,5 –20 +38 –15 +21




–7 +37 –4 +22 –7 +25 –13 +31 –10 +16














150 180 0 –25 –14 +26 –9 +9 –12,5 +12,5 –20 +20 –15 +3




–14 +51 –9 +34 –12,5 +37,5 –20 +45 –15 x+28




–6 +43 –3 +28 –6 +31 –12 +37 –9 +22














180 250 0 –30 –16 +30 –10 +10 –14,5 +14,5 –23 +23 –18 +2




–16 +60 –10 +40 –14,5 +44,5 –23 +53 –18 +32




–6 +50 –4 +34 –6 +36 –13 +43 –12 +26














250 315 0 –35 –16 +36 –11,5 +11,5 –16 +16 –26 +26 –20 +3




–16 +71 –11,5 +46,5 –16 –51 –26 +61 –20 +38




–4 +59 –4 +39 –7 +42 –14 +49 –12 +30














315 400 0 –40 –18 +39 –12,5 +12,5 –18 +18 –28,5 +28,5 –22 +3




–18 +79 –12,5 +52,5 –18 +58 –28,5 +68,5 –22 +43




–5 +66 –4 +44 –7 +47 –15 +55 –14 +35














400 500 0 –45 –20 +43 –13,5 +13,5 –20 +20 –31,5 +31,5 –25 +2




–20 +88 –13,5 +58,5 –20 +65 –31,5 +76,5 –25 +47




–5 +73 –4 +49 –8 +53 –17 +62 –16 +38














500 630 0 –50 –14 +14 –22 +22 –35 +35




–14 +64 –22 +72 –35 +85




–4 +54 –9 +59 –19 +69














630 800 0 –75 –16 +16 –25 +25 –40 +40




–16 +91 –25 +100 –40 +115




–4 +79 –8 +83 –18 +93














800 1 000 0 –100 –18 +18 –28 +28 –45 +45




–18 +118 –28 +128 –45 +145




–4 +104 –8 +108 –18 +118














1 000 1 250 0 –125 –21 +21 –33 +33 –52 +52




–21 +146 –33 +158 –52 +177




–4 +129 –9 +134 –20 +145














1 250 1 600 0 –160 –25 +25 –39 +39 –62 +62




–25 +185 –39 +199 –62 +222




–4 +164 –9 +169 –22 +182














1 600 2 000 0 –200 –30 +30 –46 +46 –75 +75




–30 +230 –46 +246 –75 +275




–5 +205 –11 +211 –25 +225














2 000 2 500 0 –250 –35 +35 –55 +55 –87 +87




–35 +285 –55 +305 –87 +337




–5 +255 –12 +262 –28 +278














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

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