1 a bearing with a step slider as shown below uses dry air at 15 degre
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1. A bearing with a step slider as shown below uses dry air at 15 degrees Celsius as the lubricating fluid. It has dimensions h1= 1 mm, h2=D0.5 mm, 1=20
cm, 12=30 cm. What speed does the bearing need to move at to support 4 kilograms?