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The camshaft is an important component of the semi-trailer axle.

The semi-trailer axle can be decomposed into several parts, including axle assembly, camshaft assembly, brake assembly, axle end assembly, and other components.
The shaft assembly includes a shaft beam, brake base plate, spherical bearing seat, air chamber seat, ABS support seat, etc;
The camshaft assembly includes a camshaft, washers, bushings, spherical bearing sealing rings, shaft retaining rings, etc;
The brake assembly includes brake pads, rollers, tension springs, reset springs, fixing pins, etc;
The shaft end assembly includes brake drum, wheel hub, bearing ABS ring gear, oil seal, dust cover, wheel hub cover, etc;
Other components such as stop washers, shaft nuts, adjustment arms, split pins, ABS sensors, etc.