Memo:
This bearing can bear large combined radial and axial loads with high limit speed.
It is of a separable type. In contrast with single row angular contact ball bearings,
it has better rigidity and can bear bidirectional axial load. The bearing can
function with the four-row cylindrical roller bearings of rolling mill to limit the axial
displacement of working roller, and can also be used with other bearings as positioning
bearings of roller