LIFE relationship of a Bearing:\({L_{10}} = {\left( {\frac{C}{P}} \RIGHT)^n}\)L10 = Rated bearing life (in million revolutions), C = Dynamic load-carrying capacity, P = Load acting on the bearingn = 3 for ball bearing and n = 10/3 for roller bearing.Calculation:GIVEN:PP = 15 kN, PQ = 45 kN, n = 3 (∵ ball bearing) and CP = CQ (∵ identical bearing).\({L_{10}} = {\left( {\frac{C}{P}} \right)^n}\)\(\therefore \frac{{{L_P}}}{{{L_Q}}} = {\left( {\frac{{{P_Q}}}{{{P_P}}}} \right)^3} = {\left( {\frac{{45}}{{15}}} \right)^3} = 3^3 =27 \)

"> LIFE relationship of a Bearing:\({L_{10}} = {\left( {\frac{C}{P}} \RIGHT)^n}\)L10 = Rated bearing life (in million revolutions), C = Dynamic load-carrying capacity, P = Load acting on the bearingn = 3 for ball bearing and n = 10/3 for roller bearing.Calculation:GIVEN:PP = 15 kN, PQ = 45 kN, n = 3 (∵ ball bearing) and CP = CQ (∵ identical bearing).\({L_{10}} = {\left( {\frac{C}{P}} \right)^n}\)\(\therefore \frac{{{L_P}}}{{{L_Q}}} = {\left( {\frac{{{P_Q}}}{{{P_P}}}} \right)^3} = {\left( {\frac{{45}}{{15}}} \right)^3} = 3^3 =27 \)

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Two identical ball bearings P and Q are operating at loads 15 kN and 45 kN respectively. The ratio of life bearing P to Q is

General Knowledge General Awareness in General Knowledge . 5 months ago

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Concept:Load-LIFE relationship of a Bearing:\({L_{10}} = {\left( {\frac{C}{P}} \RIGHT)^n}\)L10 = Rated bearing life (in million revolutions), C = Dynamic load-carrying capacity, P = Load acting on the bearingn = 3 for ball bearing and n = 10/3 for roller bearing.Calculation:GIVEN:PP = 15 kN, PQ = 45 kN, n = 3 (∵ ball bearing) and CP = CQ (∵ identical bearing).\({L_{10}} = {\left( {\frac{C}{P}} \right)^n}\)\(\therefore \frac{{{L_P}}}{{{L_Q}}} = {\left( {\frac{{{P_Q}}}{{{P_P}}}} \right)^3} = {\left( {\frac{{45}}{{15}}} \right)^3} = 3^3 =27 \)

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Posted on 30 Nov 2024, this text provides information on General Knowledge related to General Awareness in General Knowledge. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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