上淄克通大学 Shanghai Jiao Tong University Why Bearings Bearing is defined by Webster's to be "a support or supporting part” In machine design,a bearing is a component that allows for relative motion between two bodies Bearings are for: ● reduce friction ● carry load ● guide of moving parts Carriage Rotary Encoder ☒ AC Brushless Motor Flexible Coupling Rearing Housing Ballscrew Ballnut Support Bearings4 Why Bearings Bearing is defined by Webster’s to be “a support or supporting part” – In machine design, a bearing is a component that allows for relative motion between two bodies Bearings are for:  reduce friction  carry load  guide of moving parts