5 SELECTION OF ROLLING CONTACT BEARINGS

Related MCQs

• Sliding contact bearings, also called plain bearings have no problem of wear.
• In angular contact bearings,          bearings are required to take thrust load in both directions.
• In gear boxes and small size motors, rolling contact bearings are used.
• In steam and gas turbines, rolling contact bearings are used.
• Calculate the tension in the rope of pulley C. "The layout of a shaft supported on bearings at A & B is shown. Power is supplied by means of a vertical belt on pulley B which is then transmitted to pulley C carrying a horizontal belt. The angle of wrap is 180’ and coefficient of friction is 0.3. Maximum permissible tension in the rope is 3kN. The radius of pulley at B & C is 300mm and 150mm"
• If bending moment on point B in horizontal plate is M and in vertical plane is m, then the net bending moment at point B is? "The layout of a shaft supported on bearings at A & B is shown. Power is supplied by means of a vertical belt on pulley B which is then transmitted to pulley C carrying a horizontal belt. The angle of wrap is 180’ and coefficient of friction is 0.3. Maximum permissible tension in the rope is 3kN. The radius of pulley at B & C is 300mm and 150mm"
• There is problem of alignment in deep groove ball bearings.
• Which of the following are functions of bearings?
• Deep groove ball bearings creates a lot of noise.
• Taper rolling supports