DIN 1495-1-1983 Sintered metal plain bearings which meet specific requirements for fractional and subfractional horsepower electric motors Spherical bearings Dimensions《小功率电动机和功率小于.pdf

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1、Sintered metal plain bearings which meet specific requirements for fractional and subfractional horsepower electric motors SDherical bearincrs Dimensions Gleitlager aus Sintermetall mit besonderen Anforderungen fr Elektro-Klein- und Kleinstmotoren; Kalottenlager, Masse As it is current practice in s

2、tandards published by the International Organization for Standardization (ISO), the comma has been used throughoo t as a decimal marker. Dimensions in mm 1 Spherical bearings in accordance with this standard are used for fractional and subfractional horsepower electric motors. They are designed in s

3、uch a way that they can be interchanged with antifriction bearings for the same shaft size. The allotment in each case of two bearing bore diameters dl for each spherical seating diameter d, enables the use of identical components (e. g. bearing end shields, clamping spectacles). In comparison with

4、the bushes in accordance with DIN 1850 Part 3, which are suitable for general applications, the spherical bearings in accordance with this standard are formulated to satisfy more stringent requirements; consequently they demand more sophisticated techni- cal manufacturing facilities. 2 Dimensions, d

5、esignation Scope and field of application A - DIN 1495 Part 1 Q l/It2lA4 b d/ltzA I Continued on page 2 dl 1) d2 d3 d4 b f tl O Deviations hl 1 -0,15 jtl3 Deviations O + 0,008 6 5,9 4-5 4 0.3 -0.2 0.03 2 3 9 83 7.5 5 0,3 -o,2 0,036 4 6 8 9 10 15 + 0,010 27 26,4 22.5 15 0,4 -0, 0,052 25 + 0,004 O + 0

6、,011 5 + 0,006 12 -0.2 O 0,043 11,7 9 8 0,3 O + 0,014 l6 15,6 12,5 10 0.3 -0.2 0,043 + 0,008 O 22 21,5 18,4 12 0,4 -0.3 0,052 12 + 0,018 . Beuth Verlag GmbH, Berlin 30, has excIusIve sale rights for German Standards (DIN-Normen) DIN 1495 Part 1 Engl. Price group 5 Sales No.0105 12.83 t2 t3 - 2) 0,01

7、8 0,0015 0,018 0,018 0,0015 0,018 0,0015 0,021 0,0020 0,033 0,0020 Page 2 DIN 1495 Part 1 3 Material Sintered metal *): Oil impregnation: Subject to agreement. Sint-BOO, Sint-B10, Sint-B50, Sint-B51. For an oil-impregnated bearing, add the symbol Z to the designation. For a non-impregnated bearing,

8、no symbol shall be added to the designation. Standards referred to and other documents DIN 1850 Part 3 DIN 7164 Material performance leaflets of the Fachverband Pulvermetallurgie (Powder Metallurgy Professional Association) * Bushes for plain bearings made from sintered metal Workshop plug gauges an

9、d spherical end measuring rods for IS0 fit dimensions from 1 to 500 mm nominal dimensions; gauge dimensions and manufacturing tolerances Other relevant standards and documents DIN 1495 Part 2 Sintered metal plain bearings which meet specific requirements for fractional and subfractional horsepower e

10、lectric motors; cylindrical bearings, dimensions (Basic principles for standards dealing with requirements, testing and the object of the calculation are in course of preparation) lubricant IS0 5755/1 - 1980 Sintered metal materials; specifications; Part 1 : Materials for bearings impregnated with liquid International Patent Classification F 16 C 17/00 *) Sintered materials in accordance with the material performance leaflets of the Fachverband Pulvermetallurgie, 0-5800 Hagen-Emst (obtainable from Beuth Ver/ag GmbH, Burggrafenstrae 4-10, D-1000 Berlin 30).