This text deals with two types of bearings: sleeve bearings or bushings and ball bearings. See Figure 9-1. Sleeve bearings, or jig bushings, are hollow cylinders made from a low-friction material such as Teflon or impregnated bronze. Sleeve bearings may have flanges. Ball bearings include spherical bearings in an internal race that greatly reduce friction. In general, sleeve bearings are cheaper than ball bearings, but ball bearings can take heavier loads at faster speeds. A listing of ball bearings is included in the Design Library.
Figure ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.
