Question: You are an engineering intern at a bearing manufacturer, your senior engineer asked you to evaluate the parameters for a set of sleeve journal

You are an engineering intern at a bearing manufacturer, your senior engineer asked you to evaluate the parameters for a set of sleeve journal bearings that has following specification: The shaft journal diameter of 1.30 in with a unilateral tolerance of -0.001 in. The bushing bore has a diameter of 1.32 in with a unilateral tolerance of +0.0025 in. The bushing is 12 in long. The radial load is 300 lbf and the shaft rotational speed is 1900 rev/min. The lubricant is SAE 20 oil and the axial-groove sump temperature at steady state T, is 125F. Your task is to evaluate the clearances Cmin: Cmedian: and Cmax for the bearings and observe the parametric changes in S, e, f, Q. Q;, AT, Tmax. Tf, and ho.

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