Ball bearings are widely used in industrial applications. You work for an industrial food machinery manufacturer and your role is to design the driveshaft
Ball bearings are widely used in industrial applications. You work for an industrial food machinery manufacturer and your role is to design the driveshaft assembly on a new type of equipment that involves V-belt pulleys. Your manager asked you to select the appropriate ball bearing that satisfies the load rating of the existing application. Your co-worker, responsible of shaft design, calculated reactions on both ends of the shaft to be Ry,g = -89.2 N 0, REE = -174.4 N. Ryo = -163.4 N and R20 = 107 N. The 35-mm-diameter countershaft is to run at 1500 rev/min and the bearings are to have a life of 60 kh at a combined reliability of 0.98, assuming distribution data from manufacturer 2 in Table 11-6. Use an application factor of unity. 300 400 150 250 dia. 300 dia. 50 N 270 N Figure.2: Countershaft and pully assembly (Dimensions in mm) (a) Obtain a Basic Dynamic Load Rating for a ball bearing at both ends O and E. (b) Use an online bearing catalogue of SKF. TIMKEN and NSK to fill out the data sheet below for the indicated bearing types that satisfies the needed Basic Load Rating and the geometry requirements. Manufacturer Bearing type load Limiting speed Manufacturer designated serial number Basic static rating Deep groove ball bearing Single row angular contact ball bearings Deep groove ball bearing, thin-section 61000 series SKF SKF TIMKEN NSK Single-row groove ball bearing deep
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International Business And The New Realities
Authors: S. Tamer Cavusgil, Gary Knight, John R. Riesenberger
2nd Edition
9780131738607, 131738607, 978-0136090984
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