1、 Ha axis - introduction of outer spherical ball bearings:

The outer spherical ball bearing is composed of an outer sleeve with an outer spherical diameter and a deep groove ball bearing with a double-layer sealing device to widen the inner ring.

2、 Ha axis -Characteristics of outer spherical ball bearings：

1. Compact structure, light weight, and small size.

2. Has good centering performance. Allow the adjustment angle to reach ± 10 °.

3. There is a wide variety of bearing structures, forms, varieties, and specifications, and users can choose according to the requirements of the host.

3、 Ha axis - outer spherical ball bearing classification:

Outer spherical ball bearings mainly include UB, UC, UK, UE, UEL, CSA, and CSB types.

4、 Ha axis - application of outer spherical ball bearings:

Outer spherical ball bearings are widely used in industries such as textile machinery and agricultural machinery.