ISO 12167-2:2021 Plain bearings — Hydrostatic plain journal bearings with drainage grooves under steady-state conditions —Part 2: Characteristic values for the calculation of oil-lubricated plain journal bearings with drainage grooves
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Plain bearings — Hydrostatic plain journal bearings with drainage grooves under steady-state conditions —Part 2: Characteristic values for the calculation of oil-lubricated plain journal bearings with drainage grooves是ISO发布的ISO标准，适用于世界范围。标准截图
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INTERNATIONAL STANDARD ISO 12167-2:2021
Plain bearings — Hydrostatic plain journal bearings with drainage grooves under steady-state conditions —
Part 2: Characteristic values for the calculation of oil-lubricated plain journal bearings with drainage grooves
1 Scope
This document specifies, in graphic form, characteristic values used in the calculation of oil‑lubricated plain journal bearings with drainage grooves.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 12167-1, Plain bearings — Hydrostatic plain journal bearings with drainage grooves under steady-state conditions — Part 1: Calculation of oil-lubricated plain journal bearings with drainage grooves
3 Terms a nd definiti ons
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
4 Characteristic values
See Table 1 and Figures 1 to 13.
The characteristic values given in this document shall be provided for the calculation of oil-lubricated hydrostatic plain journal bearings in accordance with ISO 12167-1. They are based on the premises and boundary conditions specified therein. The values required for the calculation can be determined from the diagrams. Explanations concerning the symbols and calculation examples are included in ISO 12167-1. When designing a plain bearing the characteristic values listed in Table 1 can be used for optimized bearings.
ISO 12167-2:2021
Table 1 — Characteristic values for optimized bearings ε = 0,4; h = 4 0 ∙ C ; α = 0; b /D = 0,05; P* = 2; l /B = 0,1; ξ = 1
p R G ax
* *
Z B/D l /B l /D K β° F* π Q*
c c f
P P
f tot
4 1,00 0,10 0,100 1,416 23,41 0,285 9 1,288 1,531 5,080 10,349
4 0,75 0,12 0,090 0,855 20,64 0,290 9 1,557 1,478 5,375 11,867
6 1,00 0,10 0,100 2,409 16,80 0,270 5 1,299 1,829 6,169 11,954
6 0,75 0,10 0,075 1,642 16,08 0,297 8 1,708 1,606 7,029 13,819
6 0,50 0,11 0,055 0,922 13,88 0,316 1 2,406 1,430 8,280 16,329
8 0,50 0,10 0,050 1,416 11,67 0,313 4 2,537 1,531 9,857 18,597
8 0,30 0,11 0,033 0,712 9,31 0,336 5 3,975 1,332 12,628 23,599
10 0,30 0,10 0,030 1,003 8,34 0,334 4 4,161 1,383 14,366 25,814
Figure 1 — Characteristic values of load-carrying capacity F* as a function of the relative eccentricity ε for different relative frictional pressures π and Z = 4; f
B/D = 1; l /B = 0,1; l /D = 0,1; b /D = 0,05; ξ = 1; α = 0
ax c G
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