The design of the aero servo aileron hinges are machined from solid billet and have a selfaligningballbearing pressed into the arm.
气动伺服副翼由整体坯料加工而成，设计在转臂上有自动对准滚珠轴承。
2
The basic design self-aligningballbearing is available with a cylindrical bore or, in certain size ranges, with a tapered bore (taper 1:12).
自调心球轴承的基本设计带有一圆柱孔，或者在某些尺寸范围内带一圆锥孔（圆锥1：12）。
3
Two-bearing units have several advantages over the more conventional arrangements where two self-aligningball bearings or two spherical roller bearings are mounted in separate plummer block housings.