Housing bore diameter deviations for inch bearings with Normal tolerances


Nominal
diameter
Deviations for fits clearance/interference in accordance with

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
diameter
Deviations for fits clearance/interference in accordance with

K7Ⓔ M7Ⓔ N7Ⓔ P7Ⓔ
> U L U L U L U L
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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