Just part c A shaft is supported by two ball bearings at the ends, as shown in Figure Q3.13DGearR1R2Figure Q3a) Two loads on the shaft are FA = 1 kN and FB = 1.5 kN. The length of the shaft is a = 500mm. The locations of the loads are b = 200 mm and c = 220 mm. Determine the reactionforces R1 and R2 at the bearings.b) The minimum required bearing life is 5000 hours. The shaft rotates at a constant speed of1000 rpm. Determine the desired bearing life in revolutions.c) The two ball bearings should be identical. Determine the minimum value for the basicdynamic load rating C with 90% reliability.For your information: A sample page (Table Q3) from the SKF catalogue shows the use ofthe basic dynamic load rating C when selecting bearings.FAFBBCN DD₁Principal dimensionsdDBmm1417cont14141419172077DzBasic load ratingsdynamic staticFatigueload limitSpeed ratingsReferencespeedLimitingCspeed¹CoP₁kNkNr/min14,36,550,27534 00022 00014,36,550,27511 00014,36,550,27534 00017 00014.36,550,27534 00017 00013,56.550.27511 00022,910,80.45528 00018 0004,032,320,10413 0004,032,320,10445 00022 0004,032,320,10445 00028 0006,373,650.15612 0006,373.650,15643 00020 0006,373.650,15643 00026 0007,284,050,17338 000240009,9550,21238 00024 0009,9550,21211 0009,9538 00019 0009,950,2120,2120,21238 00019 0009.3611 00013,56.550.2832 00020 00013,56.550,2810 00013.56.550.2832 00017 00013,56.550,2832 00017 00015,67,650.32532 00020 00012,76.550,2810 00015,930 00015 0007,87,87,80,3350,3350,33516,816,830 00019 000-9 50016,80,33530 00015 0007,8918.20,3830 00019 00015,97,80,3359 50030.7150,6424 00015 000227,650.3259.00014147,650,32530 00019 0001618.69,30,3928 00018 000SKF Explorer bearingPopular item11 For bearings with only one shield or one non-contact seal [2, RZ) the limiting speeds of the apen bearings are valid27047GCC GG 2 666 90G NOG GGG GGG CCC CCC ~ 28*99981212 1226 L L418 15 155 5 51 19 ku6474747476232323242424247474747474752525212525252725050561291414141521d di1414555Masskg0.110,120.120,120,160,270.0180.0180.0180,0380,0380,0370,0510,0670,0670,0690,0710,0860.110.110,110.110,0980.130.150,140.150,150,140,210,410,120.120.18AAP222RSL2RZNa2RS12RSHDesignationsBearingopen or cappedon both sides63036303-2RSH6303-2RSL6303-2Z62303-2RS1640361804-2RS161804-2RZ6180461904-2RS161904-2RZ61904160046004► 6004-2RSH6004-2RSL6004-2Z63004-2RS1-6204▸ 6204-2RSH6204-2RSL6204-226204 ETN962204-2RS16304-2RSL6304-2RSH6304-2Z6304 ETN962304-2RS1640462/22-2RS162/2263/22F-6304capped on onesidel)6303-RSH6303-RSL6303-ZITE6004-RSH6004-RSL6004-Z6204-RSH6204-RSL6204-Z6304-RSL6304-RSH6304-ZSKF.

Answered: Image /qna-images/answer/83ce5177-3233-426a-8e9c-4005d2f98107.jpg

A shaft is supported by two ball bearings at the ends, as shown in Figure Q3. C Gear R1 R2 Figure Q3 a) Two loads on the shaft are FA = 1 kN and FB = 1.5 kN. The length of the shaft is a = 500 mm. The locations of the loads are b = 200 mm and c = 220 mm. Determine the reaction forces R1 and R2 at the bearings. b) The minimum required bearing life is 5000 hours. The shaft rotates at a constant speed of 1000 rpm. Determine the desired bearing life in revolutions. c) The two ball bearings should be identical. Determine the minimum value for the basic dynamic load rating C with 90% reliability. For your information: A sample page (Table Q3) from the SKF catalogue shows the use of the basic dynamic load rating C when selecting bearings. Pulley FA (2) FB H N 4

A shaft is supported by two ball bearings at the ends, as shown in Figure Q3. C Gear R1 R2 Figure Q3 a) Two loads on the shaft are FA = 1 kN and FB = 1.5 kN. The length of the shaft is a = 500 mm. The locations of the loads are b = 200 mm and c = 220 mm. Determine the reaction forces R1 and R2 at the bearings. b) The minimum required bearing life is 5000 hours. The shaft rotates at a constant speed of 1000 rpm. Determine the desired bearing life in revolutions. c) The two ball bearings should be identical. Determine the minimum value for the basic dynamic load rating C with 90% reliability. For your information: A sample page (Table Q3) from the SKF catalogue shows the use of the basic dynamic load rating C when selecting bearings. Pulley FA (2) FB H N 4

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.2.12P: A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30...

See similar textbooks

Similar questions

A safety valve on the top of a tank containing steam under pressure p has a discharge hole of diameter d(see figure). The valve is designed to release the steam when the pressure reaches the value Pmax If the natural length of the spring, is L and its stiffness is k, what should be the dimension ft of the valve? (Express your result as a formula for h.)
A small lab scale has a rigid L-shaped frame ABC consisting of a horizontal aim AB (length b = 30 cm) and a vertical arm BC (length c = 20 cm) pivoted at point B. The pivot is attached to the outer frame BCD that stands on a laboratory bench. The position of the pointer at C is controlled by two parallel springs, each having a spring constant k = 3650 N/m. that are attached to a threaded rod. The pitch of the threads is p = 1.5 mm. If the weight is 65 N. how many revolutions of the nut are required to bring the pointer back to the mark?
Repeat Problem 11.3-9. Use two C 150 × 12.2 steel shapes and assume that E = 205 GPa and L = 6 m.
Figure Q3a shows a simply supported beam AB with support reactions RA and RB. Two point loads F1 = 35 kN and F2 = 65 kN act at points C and D, respectively. The distance AC is L1 = 2.25 m; the distance CD is L2 = 3.25 m; and the distance DB is L3 = 1.50 m. 1. Calculate the reactions RA and RB at points A & B. Give your answers in kilonewtons (kN) to two decimal places. 2. Draw the shear force diagram (SFD) for the beam in Figure Q3a and clearly label values at points A, B, C & D. Label your values in kilonewtons (kN) to two decimal places. 3. Draw the bending moment diagram (BMD) for the beam shown in Figure Q3a and label values at points A, B, C & D. Label your values in kilonewton metres (kNm) to two decimal places.
Figure Q3 shows a steel bar of diameter 16 mm and length 600 mm subjected to axial forces.If E = 210×103 N/mm2for steel, determine the change in its length.
Figure Q2 shows the cross-section of a closed ended thick-walled cylinder with inner radius, ri, 0.1 mand outer radius, ro, 0.2 m. The cylinder is subjected to internal pressure, pi and external pressure, po.One of the design specifications is to maintain the hoop stress at the outer surface of the cylinder at zerovalue. If po = 50 MPa and by using Lame’s equations for thick-walled cylinder, (a) determine the value of pi to achieve the design specification (b) sketch the hoop, radial, and longitudinal stress variations across the wall thickness and label their values at the inner and outer radius of the cylinder (c) determine the absolute maximum shear stress existing in the cylinder wall material
A horizontal shaft AD supported in bearings at A and B and carrying pulleys at C and D is totransmit 75 kW at 500 r.p.m. from drive pulley D to off-take pulley C, Calculate the diameter of shaft. The data given is : P1 = 2 P2 (both horizontal), Q1 = 2 Q2 (bothvertical), radius of pulley C = 220 mm, radius of pulley D = 160 mm, allowable shear stress = 45 MPa.[Ans. 100 mm] Given CD=350mm CA=100mm AB=150mm BD=100mm
A 27‑kg sing is attached to the right end of a horizontal beam (the beam's mass m = 7.7 kg). The left end of the beam is mounted into a wall and it's right end is supported by a string which makes an angle θ = 32° with the beam, see the picture below. Find the magnitude of the tension in the string. 1. The tension in the string, T Find the reaction force exerted by the wall on the beam. 2. The x component of the wall's reaction force, Rx = 3. The y component of the wall's reaction force, Ry =
A helical spring has a free length of 203 mm, outside diameter of 115 mm and a wire diameter of 13 mm. It consist of 9.5 coils squared and grounded at the ends. If it is compressed to its solid length, what is the stress in the spring? Let G = 80 GPa.
A spring leaf is made with an unknown material and has a width of 2.7 inches, a thickness of 5/16 inches, and a length of 1 yard. The leaf spring has 2 full-length leaves and 5 graduated leaves. For a load of 1.5 kN, the leaf spring deflects 115 mm. A.) Find the modulus of elasticity of the spring steel used in the leaf spring in ksi. B.) Using the modulus of elasticity, find the stress experienced by the material in MPa of the strain is 0.015. Answer in the Given-Required-Solution format. Show the unit analysis and the answer should be at least in 4 decimals. Subject: Machine Design
nonuniform beam 4.50 m long and weighing 1.40 kNmakes an angle of 25.0° below the horizontal. It is held in position bya frictionless pivot at its upper right end and by a cable 3.00 m fartherdown the beam and perpendicular to it . The center ofgravity of the beam is 2.00 m down the beam from the pivot. Lightingequipment exerts a 5.00 kN downward force on the lower left end ofthe beam. Find the tension T in the cable and the horizontal and verticalcomponents of the force exerted on the beam by the pivot. Start bysketching a free-body diagram of the beam.
A horizontal compound shaft AC is attached to a fixed wall at the point C and two torques T and 2T applied at the points A and B, respectively as shown by Figure Q4. The portion AB of the shaft is made of steel, having a diameter of 30 mm while portion BC is made of brass with a diameter of 50 mm. The elastic torsion moduli for steel and brass’s materials are given as 77 GPa and 37 GPa, respectively. The maximum allowable shear stress for the compound shaft is given as 150 MPa. 1. Draw the diagram of internal torque applied for each cross-section of the compound shaft 4.2. Determine the maximum allowable torque T 4.3. Calculate the maximum shear stresses induced in the portion with lower shear stress and provide graphical representations of the distribution of shear stress in the steel and brass shaft cross-sections. 4.4. Calculate the angle of twist at the point A