EN 3280:1994/PRA1:2001 Aerospace Series Bearings@ Airframe Rolling Rigid or Self-Aligning Technical Specification (Edition 1; Draft Amendment A1 to EN 3280:1994)
2011EN 3280:2011 Aerospace series - Bearings, airframe rolling, rigid or self-aligning - Technical specification
2001EN 3280:1994/PRA1:2001 Aerospace Series Bearings@ Airframe Rolling Rigid or Self-Aligning Technical Specification (Edition 1; Draft Amendment A1 to EN 3280:1994)
1994EN 3280:1994 Aerospace Series - Bearings, Airframe Rolling, Rigid or Self-Aligning - Technical Specification