迁移转变轴承和轴部分演习题(国外英文资料).docVIP

滚动轴承和轴部分练习题(国外英文资料) Rolling bearing One choice question (1) in the following types of bearings, C can bear the joint effect of radial load and axial load. And D It has a good core effect. A. short cylindrical roller bearing b. thrust ball bearing C. Taper roller bearing d. adjustable roller bearing (2) the main failure form of rolling bearings is D, under good lubrication and sealing conditions. A. plastic deformation b. adhesion c. abrasion (3) in the following four types of rolling bearings, only the radial load is subjected to B. A. 6208 b. C (4) a rolling bearing that is codenamed 7212AC, and the most accurate description of its load is D. A. Can only bear radial load b. single bearings can withstand A two-way load C. Can only withstand axial load D. Can withstand both radial and one-way axial load (5) the basic load of a rolling bearing is the D. A. The load of the bearing is due to the rotation The bearing capacity of the bearing can be borne as long as it is used for an hour C. The load that can be borne by the average lifetime of the bearing D. This is the maximum load that can be borne when the bearing has a basic rating (6) to determine the bearing capacity of the following bearing: 6310 tolerable D; 7310 can withstand B; 30310 can withstand B; 5310 can withstand C; N310 can withstand A. A. radial load b. radial load and one-way axial load C. axial load d. radial load and two-way axial load (7) the maximum damage rate of the roller bearing, which is selected by the basic rated load, is the highest in the intended use period. A. 5% c. 10% d. 50% (20) D is not suitable for both radial load and axial load. A. Cone roller bearing B. Angle contact ball bearing C. deep groove ball bearing D. Cylindrical roller bearing (21) D is a bearing that can only bear radial load. A. Deep groove ball bearing b. adjustable ball bearing C. Roller bearing D. Roller bearing (22) B is a bearing that can only bear axial load. A. cone roller bearing b. thrust ball bearing C. Need