EN 4156:2013 航空航天系列.钢制带自调位双列滚珠轴承和螺纹柄的杆端.耐蚀钢中内圈和滚珠.尺寸和荷载.英寸系列
Aerospace series - Rod ends@ with self-aligning double row ball bearings and threaded shank in steel - Inner ring and balls in corrosion resisting steel - Dimensions and loads - Inch series