轴承规范。钢的3号和4号直径系列机体单列自调心滚子轴承。尺寸和负荷。
Specification for bearings - airframe rolling single row, self aligning roller bearings in steel diameter series 3 and 4. Dimensions and loads.
对球面滚子轴承、自调心球轴承或圆环滚子轴承而言，在允许范围内持续的不对中，不会对润滑脂的寿命产生负面的影响。
A constant misalignment within the permissible limits does not adversely affect the grease life in spherical roller bearings, self-aligning ball bearings or toroidal roller bearings.
像自调心球轴承和球面滚子轴承，他们提供了一个球形外圈滚道。
Like self-aligning ball bearings and spherical roller bearings, they are provided with a spherical outer-ring raceway.
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