|
Performance requirements |
Examples |
Applicable accuracy grade |
|
The placement body is required to have high runout accuracy |
Audio and video machine spindle (video recorder, tape recorder) Radar, parabolic antenna shaft Machine tool spindle Electronic computer, disk spindle Aluminum foil roll neck Multi-stage rolling mill support bearings |
P4 |
|
High speed rotation |
Supercharger Jet engine main shaft, auxiliary engine Centrifugal separator LNG pump Turbo molecular pump main shaft, protective bearing Machine tool spindle Tensioner |
P5、P4 |
|
Requires small friction and friction changes |
Control equipment (synchronous motor, servo motor, gyro gimbal) Measuring instrument Machine tool spindle |
P4、ABMA 7P |
|
General accuracy |
Small motors, gear drives, cam drives, generators, low-induction synchronous servo motors, pressure rotors, printers, copiers, testing instruments |
P0、P6 |
Post time: Mar-23-2021