... level: ABEC-1, ABEC-3, ABEC-56. Main application: motorcycle, motor, pump, sewing machine, textile machine, agriculture machinery, electric, tools, etc.7 ... precision and small axial load such as main shaft of motor of airplane,main shaft of machine tool and other main ... and precision machinery. It is also used on high frequency motor, gas turbine, oil prump, air compressor, printing machines etc. It ...