Page 691 - Rollingbearings

Design considerations
Table 10
Housing bore diameter deviations for inch bearings with Normal tolerances

Nominal Deviations for its clearance/interference in accordance with
diameter
F6� G6� H7� H8� J7�
> ≤ U L U L U L U L U L
mm μm

30 50 – – – – 36 25 50 25 25 14
50 80 – – – – 43 25 59 25 31 13
80 120 – – – – 50 25 69 25 37 12

120 150 – – – – 58 25 81 25 44 11
150 180 – – – – 65 25 88 25 51 11
180 250 – – – – 76 25 102 25 60 9

250 304,8 – – 104 42 87 25 116 25 71 9
304,8 315 – – 104 68 87 51 116 51 71 35
315 400 – – 115 69 97 51 129 51 79 33

400 500 – – 128 71 108 51 142 51 88 31
500 609,6 196 127 142 73 120 51 160 51 – –
609,6 630 196 152 142 98 120 76 160 76 – –
630 800 235 156 179 100 155 76 200 76 – –
800 914,4 276 162 216 102 190 76 240 76 – –
914,4 1 000 276 188 216 128 190 102 240 102 – –
1 000 1 219,2 328 200 258 130 230 102 290 102 – –

Nominal Deviations for its clearance/interference in accordance with
diameter
K7� M7� N7� P7�
> ≤ U L U L U L U L
8
mm μm

30 50 18 7 11 0 3 –8 –6 –17
50 80 22 4 13 –5 4 –14 –8 –26
80 120 25 0 15 –10 5 –20 –9 –34

120 150 30 –3 18 –15 6 –27 –10 –43
150 180 37 –3 25 –15 13 –27 –3 –43
180 250 43 –8 30 –21 16 –35 –3 –54

250 304,8 51 –11 35 –27 21 –41 –1 –63
304,8 315 51 15 35 –1 21 –15 –1 –37
315 400 57 11 40 –6 24 –22 –1 –47
400 500 63 6 45 –12 28 –29 0 –57
500 609,6 50 –19 24 –45 6 –63 –28 –97
609,6 630 50 6 24 –20 6 –38 –28 –72
630 800 75 –4 45 –34 25 –54 –13 –92
800 914,4 100 –14 66 –48 44 –70 0 –114
914,4 1 000 100 12 66 –22 44 –44 0 –88
1 000 1 219,2 125 –3 85 –43 59 –69 5 –123

For higher requirements on accuracy, contact the SKF application engineering service.

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