BS/EN 2584-2019 pdf download.Aerospace series – Bearings, spherical plain in corrosion resisting steel with self-lubricating liner – Narrow series – Elevated load at ambient temperature – Dimensions and loads.
This BS/EN 2584 specifies the characteristics of spherical plain bearing in corrosion resisting steel, with self-lubricating liner, narrow series, for elevated load, at ambient temperature, with or without swaging groove, intended for use in the fixed or moving parts of the aircraft structure and control mechanisms.
They shall be used In the temperature range —55 °C to +163 °C.
2 Normative references
The following documents arc 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.
EN 2030, Aerospace series — Steel XIO5CrMo1 7 (1.3544) — Hardened and tempered — Bars — De ≤150 mm
EN 2132, Aerospace series — Electrodeposition of Chromium for Engineering Purposes
EN 2424, Aerospace series — Marking of aerospace products
EN 2755, Aerospace series — Bearings, spherical plain in corrosion resisting steel with self-lubricating
liner — Elevated load at ambient temperature — Technical specification
EN 3161, Aerospace series — Steel FE-PM3801 (X5CrN1Cu1 7-4) — Air melted, solution treated and precipitation treated, bar a or D ≤200 mm — Rm  930 MPa
ISO 1132-1, Rolling Bearings — Tolerances — Part 1: Terms and definitions
ISO 8075, Aerospace — Surface treatment of hardenable stainless steel parts
3 Symbols and abbreviations
The tolerance definitions are given in ISO 1132-1.
dmp = single plane mean bore diameter deviation;
= deviation of a single bore diameter;
Dmp = single plane mean outside diameter deviation;
= deviation of a single outside diameter;
4 Required characteristics
4.1 Configuration, dimensions, tolerances and mass
According to Figures 1 and 2 and Table 1. The dimensions are expressed in millimetres and apply after surtce treatment.
4.2 Surface roughness
According to Figures 1 and 2. The values are expressed In micrometres and apply before surface treatment.
4.4 Materials
Inner ring: Steel according to EN 2030. hardness 55 HRC to 62 HRC
Outer ring: Steel according to EN 3161, hardness 28 HRC to 37 HRC before swaging
Liner: Self-lubricating low friction wear resistant material consistent with the requirements of EN 2755
4.5 Surface treatment on the inner ring solely See Table 3.
6 Marking
According to EN 2424, style A.
The marking position is at thc manufacture?s option.
Bearings ordered without technology code shall be delivered marked with the code of technology used.
7 Technical specification
According to EN 2755.
8 Quality management system
The manufacturer’s operations shall be an approved production organisation for aerospace products and shall demonstrate that it has implemented and is able to maintain a quality management system (e.g. according to EN 9100 or an equivalent aerospace accepted and established quality management system).
The qualification procedure for aerospace standard products (e.g. according to EN 9133 or an equivalent aerospace accepted and established qualification procedure) shall be used and documented according to the specified tests if not otherwise agreed between customer and sLipplier.BS/EN 2584-2019 pdf download.