A cross tapered roller bearing is composed of an outer ring with a double raceway and two inner rings, with rollers spaced by nylon separators. This design saves space and requires less housing material, the bearing's cross-section height barely exceeds that of a common single-row bearing. Cross tapered roller bearing can withstand high overturning moments, is widely used as the table bearing of machine tools, including vertical boring and grinding machines, bringing convenience to industrial production.

Compared with general mechanical parts, crossed roller bearings have higher accuracy. Therefore, its use also requires the corresponding caution. No matter how high-performance bearings they are, if being used improperly, the expected high performance will not be obtained. Precautions concerning the use of bearings are as follows:

1. Keep the cross tapered roller bearing and its surrounding environment clean. Even the small dust invisible to the eyes can have a bad effect on the bearing. So keep the surroundings clean to prevent dust from entering the bearing.

2. Pay attention to the rust prevention of the bearing, avoid using it in humid places, and avoid operating with hands, user shall wear gloves to prevent sweat.

3. Use appropriate operating tools.

4. Install the cross tapered roller bearing correctly. (Check installation and maintenance instructions.)

5. Use it carefully. Improper use of bearing or strong impact to the bearing will cause damage such as scars, indentations, cracks, etc.

6. Users shall formulate the operating specifications for the use of crossed tapered roller bearings.　

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