This type of arrangement where bearings are mounted on adapter sleeves and smooth shafts (fig 4) is probably the most popular arrangement especially for smaller bearings and provides an economic solution.

• 这类配置的轴承是装在紧定套和光滑轴上(图4),可能是最受欢迎的配置,特别是就较小的轴承来说,可提供经济的解决办法。