The pillow block bearings are consist with Chrome steel Gcr15

insert ball bearing and cast  iron bearing unit .

The internal structure of the pillow block bearings are the same as the deep groove ball bearing, but the inner ring of this bearing is wider than the outer ring. The outer ring has a truncated spherical outer surface, which can be automatically aligned with the concave spherical surface of the bearing seat.

Usually there is a gap between the inner hole of this kind of bearing and the shaft, and the inner ring of the bearing is fixed on the shaft with a jacking screw, an eccentric sleeve or an adapter sleeve, and rotates with the shaft.

Bearing unit with a compact structure is easy to install and disassemble, and has a perfect seal. It is suitable for simple support, and is often used in mining, metallurgy, agriculture, chemical industry, textile, printing and dyeing, conveyor machinery, etc. Get more information about ball bearing from http://www.tmbbearing.com/.