SKF radial spherical plain bearings with the sliding contact surface combination of steel-on-steel are made of high grade carbon chromium steel, hardened, ground and phosphated.

• 采用钢对钢滑动接触面组合的SKF径向球面滑动轴承使用高等级碳铬钢制造,经过淬火、研磨和磷化处理。