Two-bearing units have several advantages over the more conventional arrangements where two self-aligning ball bearings or two spherical roller bearings are mounted in separate plummer block housings.
双轴承单元与装在分离式座式轴承中的两个自调心球轴承或两个圆柱滚子轴承的常规配置相比，有若干优点。
2
Self-aligningrollerbearing is a bearing.
调心滚子轴承是轴承的一种。
3
Split Plummer block, whose cap and base can be separated, mainly bear radial load. It fits for self-aligning spherical roller bearings or self-aligning spherical ball bearing.