BS EN 2020:1989 pdf download.Specification for bearings – airframe rolling single row self aligning roller bearings in corrosion resisting steel diameter series 3 and 4 – Dimensions and loads.
This standard specifies the characteristics, of rigid single row ball bearings of diameter series 3 and 4 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.
3 References
ISO 15:1981, Rolling bearings — Radial bearings — Boundary dimensions — General plan.
EN 2030, Steel FE-PL43 — Hardened and tempered, Bars, D 150 mm.
EN 2063, Bearings, airframe rolling — Technical Specification.
4 Definitions
Self aligning roller bearings, full complement (without cage), single row.BS EN 2020:1989 pdf download.