Industrial shaft seals

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gab.ru Radial Берг shaftАБ seals bergab@ya.ru Тел. (495)-228-06-21, факс (495) 22 Designation system Metric radial shaft seals The designations of all metric radial shaft seals from SKF are prefixed by the letter CR, followed by the size in millimeters (uncoded) and the suffixes for the type and design of the seal and the material of the lip, see page 97. Inch-size radial shaft seals Inch-size SKF radial shaft seals are identified by their drawing number which consists of from four to seven figures. The drawing number gives an indication of seal size, but not of type or material. Four-figure numbers are used for radial shaft seals for shaft diameters ≤ 1 in, e.g. CR 3680: d1 = 0,375 in Five-figure numbers are used for radial shaft seals for shaft diameters ≥ 1 ≤ 10 in, e.g. CR 41287: d1 = 4,125 in CR 97545: d1 = 9,750 in Six and seven-figure numbers are used for radial shaft seals for shaft diameters ≥ 10 in, e.g. CR 120061: d1 = 12 in CR 1375242: d1 = 13,75 in gab.ru 96 Берг АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 22
gab.ru Берг АБ bergab@ya.ru Тел. (495)-228-06-21, Industrial факс shaft seals (495) 22 Designation system for metric radial shaft seals CR 55 x 72 x 8 CRW HA1 R 1 Prefix CR Seal size 55 Nominal diameter of seal (= shaft diameter) 72 Nominal outside diameter of seal (= housing bore diameter) 8 Width of sealing ring Design CRS CRW D HDS HDW HM HMS HS SL Variants A B H HA D E R W Seal with steel shell and one lip Seal with steel shell and one Waveseal lip Seal with steel shell and two lips, with two garter springs Heavy-duty seal with steel shell and one lip Heavy-duty seal with steel shell and one Waveseal lip Seal with one lip, without garter spring Seal with one lip, with garter spring All-elastomer seal, non-split or split Seal with steel shell and PTFE lip Secondary lip Secondary lip directed in parallel with the primary lip Additional inner shell H+A Double lip, lips arranged in opposite directions Double lip, lips arranged in same directions Steel shell with elastomer coating Waveseal lip Execution 1 Normally indicates standard seal 2 For HDS seals; garter spring covered by Spring-Kover 3, 4 ... Other executions of seal body, outside diameter or spring groove Lip material D Duralip (carboxylated nitrile rubber, X-NBR to ISO 1629) H Hydrogenated acrylonitrile-butadiene rubber (H-NBR to ISO 1629) P Polyacrylate elastomer (ACM to ISO 1629) R Acrylonitrile-butadiene rubber (NBR to ISO 1629) RG Acrylonitrile-butadiene rubber, grey colour S Silicone rubber (MVQ to ISO 1629) T Polytetrafluoro-ethylene (PTFE to ISO 1043) V Fluoro rubber (FPM to ISO 1629) Execution 1, 2 ... Seals of the same size and design which differ in execution from the basic design are identified by a number e.g. R1 gab.ru Берг АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 97 22
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Industrial shaft seals

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