本标准规定了耐腐蚀钢中刚性单列球轴承的特性，其具有延伸的内圈和固体或轻质的法兰对准衬套，设计用于承受负载下的缓慢旋转和轻微振荡。 它们旨在用于机身固定和移动元件以及飞行控制联动。 本标准中定义的轴承应在-54°C至150°C的温度范围内使用。 但是，使用以下润滑脂进行润滑（参见EN 3727）: 酯型非常高压油脂（代号A），工作范围从-73°C到121°C， 合成碳氢化合物类型非常高压油脂通用（代码字母B）的工作范围从-54°C到177°C。 当使用代码字母A润滑脂进行润滑时，其应用领域限制在121°C

This standard specifies the characteristics of rigid single row ball bearings in corrosion resisting steel with an extended inner ring and a solid or lightweight flanged alignment bush, designed to withstand only slow rotations and slight oscillations under load. They are intended for use in airframe fixed and moving elements and in flight control linkages. The bearings defined in this standard shall be used in the temperature range from - 54 °C to 150 °C. However, as they are lubricated with the following greases (see EN 3727): ester type very high pressure grease (code letter A), operating range from - 73 °C to 121 °C or, synthetic hydrocarbons type very high pressure grease general purpose (code letter B) operating range from - 54 °C to 177 °C. Their field of application when lubricated with code letter A grease is limited to 121 °C.