I have no idea but I have those in my basement, like a TON of them, and they freak me out!!
It sounds like you are describing a Woodlouse Spider (Dysdera crocata). These spiders are brown with a distinctive large yellow or orange abdomen, and they are known for their behavior of rolling into a ball when threatened for protection.
the ball joints are not serviceable.
Some ball joints are pressed in and others are bolted in, it depends on your style ball joints.
Hip and shoulder are both Ball and Socket Joints
8 total ball joints
Ball-and-socket joints can be found in the shoulders and hips.
4: the shoulder joints and the hip joints.
The hip joints
They are "ball and socket" joints.
The shoulder and hip joints.
the ball and socket joints can be found in the shoulders and in the eyes.
How do you replace your front ball joints on a Lincoln