Page 176 - Rollingbearings

B.6 Bearing interfaces
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 (+)
ove incl low high Probable interference (–)/clearance (+)

mm µm µm

6 10 0 –8 –16 –7 –19 –4 –21 –12 –24 –9
–16 +1 –19 +4 –21 –4 –24 –1
–14 –1 –16 +1 –19 –6 –21 –4
10 18 0 –8 –20 –9 –23 –5 –26 –15 –29 –11
–20 –1 –23 +3 –26 –7 –29 –3
–18 –3 –20 0 –24 –9 –26 –6
18 30 0 –9 –24 –11 –28 –7 –31 –18 –35 –14
–24 –2 –28 +2 –31 –9 –35 –5
–21 –5 –25 –1 –28 –12 –32 –8
30 50 0 –11 –28 –12 –33 –8 –37 –21 –42 –17
–28 –1 –33 +3 –37 –10 –42 –6
–25 –4 –29 –1 –34 –13 –38 –10

50 80 0 –13 –33 –14 –39 –9 –45 –26 –51 –21
–33
–8
–51
–1
–39

–45

–13
+4
Bearing interfaces 80 120 0 0 –15 –38 –16 –45 –10 –52 –30 –59 –24
–29

–46
–1
–41
–17
–5
–34
–13

–38
–1

–59

+5
–15
–52
–45

–9
–14
–6
–40
–33
–47

–20
0

–54
–52
–20
–61
–36
150
–12
–45
–18
–68
120
–28
+6
–18
–68
–45
–61

–1
–61
–17

–39
–8
–45
–24
–55
B.6 150 180 0 –25 –45 –2 –52 –12 –61 –36 –68 –10
–20
–52
–28
–68
–11
–3
–45
+5
–52

+13
–61
–38 –2 –44 +5 –54 –18 –60 –11
180 250 0 –30 –51 –22 –60 –14 –70 –41 –79 –33
–51 +8 –60 +16 –70 –11 –79 –3
–43 0 –50 +6 –62 –19 –69 –13
250 315 0 –35 –57 –25 –66 –14 –79 –47 –88 –36
–57 +10 –66 +21 –79 –12 –88 –1
–48 +1 –54 +9 –70 –21 –76 –13
315 400 0 –40 –62 –26 –73 –16 –87 –51 –98 –41
–62 +14 –73 +24 –87 –11 –98 –1
–51 +3 –60 +11 –76 –22 –85 –14
400 500 0 –45 –67 –27 –80 –17 –95 –55 –108 –45
–67 +18 –80 +28 –95 –10 –108 0
–55 +6 –65 +13 –83 –22 –93 –15
500 630 0 –50 –88 –44 –114 –44 –122 –78 –148 –78
–88 +6 –114 +6 –122 –28 –148 –28
–75 –7 –98 –10 –109 –41 –132 –44
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