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art A What is the magnitude for the radial load for gear 1 (P1r) in lbf? Part B What is the dynamic load (C or C10) occuring at bearing 2? Part C Knowing the dynamic load, specify bearing number that should be used for bearing 2

art A What is the magnitude for the radial load for gear 1 (P1r) in lbf? Part B What is the dynamic load (C or C10) occuring at bearing 2? Part C Knowing the dynamic load, specify bearing number that should be used for bearing 2

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Part A

What is the magnitude for the radial load for gear 1 (P1r) in lbf?

Part B

What is the dynamic load (C or C10) occuring at bearing 2?

Part C

Knowing the dynamic load, specify bearing number that should be used for bearing 2
The figure below shows a stepped shaft supported by two 6300-series bearings. bearing 1 gear 1 bearing 2 gear 2 Pl key Pir gear 1 Section A-A D1 x D2 gear 2 O P21 P2r X assume bearings act as simple supports Two gears with equal and opposite torque are keyed to the shaft as shown. The load on each gear consists of a radial component and a tangential component, which acts at diameter D. The radial component on each gear is 0.466 times the tangential component on that gear. Note that the gear loads are 90 degrees out of phase from gear 1 to gear 2. Assume that a = 2.0 in, b = 5.0 in, c = 10.0 in, D₁ = 2.00 in, D₂ = 3.80 in, Pit = 2100 lbf, Lp = 70 millions of revolutions. Select a suitable bearing (from the table in Figure 11-23 from the textbook for a 4% failure rate) for bearing 2. Choose the bearing that has the least bore diameter and meets the load-rating requirement.
Transcribed Image Text:The figure below shows a stepped shaft supported by two 6300-series bearings. bearing 1 gear 1 bearing 2 gear 2 Pl key Pir gear 1 Section A-A D1 x D2 gear 2 O P21 P2r X assume bearings act as simple supports Two gears with equal and opposite torque are keyed to the shaft as shown. The load on each gear consists of a radial component and a tangential component, which acts at diameter D. The radial component on each gear is 0.466 times the tangential component on that gear. Note that the gear loads are 90 degrees out of phase from gear 1 to gear 2. Assume that a = 2.0 in, b = 5.0 in, c = 10.0 in, D₁ = 2.00 in, D₂ = 3.80 in, Pit = 2100 lbf, Lp = 70 millions of revolutions. Select a suitable bearing (from the table in Figure 11-23 from the textbook for a 4% failure rate) for bearing 2. Choose the bearing that has the least bore diameter and meets the load-rating requirement.
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