Four-point angular contact ball bearing QJ205M
Unique 4-point contact design between balls and raceways, enabling single-bearing bidirectional axial load capacity. Compact structure (no separator), saving installation space vs. multi-bearing combinations. High anti-overturning rigidity and good high-speed performance, suitable for precision equipment. Handles combined axial & radial loads, widely used in CNC machines, robot joints, and servo motors. Can bear radial load and axial load at the same time. It can work at high speed. The larger the contact Angle is, the higher the axial bearing capacity is. High precision and high speed bearings are usually at 15 degrees of contact Angle. Under the axial force, the contact Angle will increase.