According to different requirements for bearings and bearing blocks, the classification of bearing blocks is not entirely the same. When using them, it is necessary to carefully check the selection based on the design.

1 Classification according to the shape of the bearing seat:

1.1 Outer spherical bearing with seat, also known as bearing unit (SKF). When there is no bearing, it is called an outer spherical bearing seat. 1.1.1.1 The outer spherical bearing pedestal is divided into 200 series according to the series of bearings. 500 Series. 300 Series. 600 Series. XOO series.

1.2 The outer spherical bearing seat is divided into vertical seat (P seat), square seat (F seat), diamond seat (FL seat), circular seat (C seat), convex circular seat (FC seat), convex square seat (FS seat), concealed hole seat (PA seat), and suspended seat (FA seat) according to the shape.