BS EN 2009-1992 pdf download

08-09-2021 comment

BS EN 2009-1992 pdf download.Bearings airframe rolling rigid, single row ball bearings in steel diameter series 8 and 9 Dimensions and loads.
This BS EN 2009 specifies the characteristics, of rigid single row ball bearings of diameter series 8 and 9D designed to withstand only slow rotations and oscillations under load. They are intended for use between fixed and moving parts of the aircraft structure and their control mechanisms.
2 Fields of application
The airframe railer bearings defined in the present standard shall be used from — 54 to + 150 °C.
However, being lubricated with the following greases:
— very high pressure grease, ester type (code A). operational range — 73 to + 121 °C or
— very high pressure grease, synthetic hydrocarbons. general purpose (code B), operational
range — 54 to + 177 °C (refer to EN 2063),
their field of application when lubricated with code A grease shall be limited to + 121 °C.
3 References
ISO 15:1981, Rolling bearings — Radial bearings — Boundory dimensions.
EN 2031. Steel FE-PL3I. Hardened and tempered, Bars.
EN 2063, Bearings, airframe rolling — Technical Specification.
4 Definitions
Rigid bearings, full complement (without cage), single row, with filling slot.
5 Symbols
= single plane mean bore diameter deviation.
= single plane mean outside diameter deviation. C, = permissible static radial load.
= permissible static axial load.
Y. = coefficient of axial load.
6 Materials
Inner ring: Steel EN 20312), 59 to 64 HRC.
Outer ring: Steel EN 20312), 59 to 64 HRC.
Balls: Steel EN 20312). 59 to 64 HRC.
Shields: Corrosion resisting material.
Seals: Polytetrafluoroethylene (PTFK): or polytetrafluoroethylene (PTFK), glass fibre reinforced plastic
material.
7 Required characteristics
7.1 Dimensions — Tolerances — Clearances — Loads — Mass
9 Marking
In addition to the manufacturers’ own marking, each bearing shall be marked, on one side face only using the identity block as defmed in clause 8 of this standard.
Marking position and method are at the manufacturer’s option.
10 Technical specification
Bearings supplied to this standard shall conform with the requirements of EN 2063.BS EN 2009-1992 pdf download.

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