1、September 2004DEUTSCHE NORM English price group 5No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 21.100.10!$Qa9“146
2、6222www.din.deDDIN 8221Plain bearings Bushes for plain bearings according to DIN 502, DIN 503 and DIN 504Gleitlager Buchsen fr Gleitlager nach DIN 502, DIN 503 und DIN 504SupersedesDIN 8221:1973-07www.beuth.deIn case of doubt, the German-language original should be consulted as the authoritative tex
3、t.Translation by DIN-Sprachendienst.Document comprises 4 pagesDIN 8221:2004-09 2 Foreword This standard has been prepared by the Normenausschuss Gleitlager (Plain Bearings Standards Committee), Technical Committee AA 3. Amendments This standard differs from DIN 8221:1973-07 as follows: a) The conten
4、t has been updated to reflect the current state of technology. b) The standard has been completely revised in form and substance. c) The designation of the bearing bush has been amended. Previous editions DIN 8221: 1973-07 1 Scope This standard specifies requirements for bushes for plain bearings co
5、mplying with DIN 502, DIN 503 and DIN 504, which are intended to be used in driving elements. 2 Normative references The following reference documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edit
6、ion of the referenced document (including any amendments) applies. DIN 502, Driving components Flange bearings Fastened with two screws DIN 503, Driving components Flange bearings Fastened with four screws DIN 504, Driving components Eye-type bearings DIN EN 1982, Copper and copper alloys Ingots and
7、 castings DIN ISO 2768-1, General tolerances Tolerances for linear and angular dimensions without individual tolerance indications DIN ISO 12128, Plain bearings Lubrication holes, grooves and pockets Dimensions, types, designation and their application to bearing bushes DIN 8221:2004-09 3 3 Dimensio
8、ns, designation General tolerances: ISO 2768 m Key 1 Lubrication groove and lubrication hole as in DIN ISO 12128, type at the manufacturers discretion Figure 1 Dimensions of bushes (notation) Designation of a bush for a plain bearing with bore d1= 90 mm: Bearing bush DIN 8221 90 DIN 8221:2004-09 4 T
9、able 1 Bush dimensions and applications d1ab d2f For use in FitbFitbtype A flange bearings as in DIN 502 type A flange bearings as in DIN 503 type A flange bearings as in DIN 504 25 35 X X 30 60 0,2 40 z6 X X 35 45 X X 40 70 0,3 50 0,6 X X X 45 55 X X 50 C8 80 0,3 60 X X (55) 65 y6 X X X 60 90 0,3 7
10、0 X X (65) 75 0,8 X X X 70 100 0,3 80 X X (75) 85 X 80 100 0,3 90 X 90 100 x6 X X 100 115 X 110 120 0,3 125 X (120) 135 1 X X 125 140 X (130) 140 0,3 145 X 140 155 X (150) B8 160 0,3 165 v6 1,2 X X aBracketed sizes should not be used. bBefore pressing in4 Material CuSn7Zn4Pb7-C-GS according to DIN EN 1982. Use of other materials is subject to agreement.
