slewing ring bearing (slewing bearing )is a bearing that able to bear axial load,radial load and over turing torque.
The main part which bear the large weight and load is the chrome steel balls,many quantity chrome steel balls group together
to bear a large weight to turn the slewing bearing.
Main used on many industry ,such as :construction ,machinery ,coal ,etc fields.
our company main produce many sizes and diameter from 30mm to 120mm chrome steel balls many years.
have many kinds of precision grade .
had selled to many countries and districts along.