Page 174 - Rollingbearings

B.6 Bearing interfaces
Table 20
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 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
+22
–15
+17
+13
–19
+7
–30
–24
–21
+8
Bearing interfaces 80 120 0 –15 –18 +4 –25 +10 –23 –8 –28 –6 –35 0
–16
–25
+13
+8
+4
+17
–20
–11
–16
+4
+19
–25
–35
+25
+15
+7
–28
+9
–18
–23
+20
–23
–20
+4
+3
–19
+10
+14
–13
–30
0
+12
–9
–8
–27
–21
–18
–40
0
–28
+4
–33
150
120
–22
+4
+11
–27
+23
+16
–33
+4
–21
–15
B.6 150 180 0 –25 –21 +22 –28 +30 –27 +9 –33 +10 –40 +18
0
+4
–8
–33
–28
–40
–21
–27
–9
+12
+25
–40
+17
–28
+29
–21
+37
–33
+16
–27
–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
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