Views: 0 Author: Site Editor Publish Time: 2024-09-25 Origin: Site
Characteristics and uses of tapered roller bearings:
Tapered roller bearings are mainly suitable for bearing radial and axial combined loads dominated by radial loads, while large-cone-angle tapered roller bearings can be used to bear radial and axial combined loads dominated by axial loads. This type of bearing is a separable bearing, and its inner ring (including tapered rollers and retainers) and outer ring can be installed separately. The radial clearance and axial clearance of the bearing can be adjusted during installation and use, and it can also be installed with pre-interference.
Specific classification and model comparison:
1. Single-row tapered roller bearings (30000 type)
Note: It can withstand radial and axial loads dominated by radial loads. Large-cone-angle bearings can withstand radial and axial loads dominated by axial loads. Additional axial force is generated under the action of radial loads. Therefore, they are generally configured in pairs and can withstand radial loads. If used alone, the additional axial force must be greater than the additional axial force. The 313 series bearings have a large contact angle (27°-30°) and can withstand large axial loads. The contact angle of other series is 10°-18°.
2. Double-row tapered roller bearing (350000 type)
Note: This bearing has one outer ring and two inner rings, with a spacer between the two inner rings. The clearance can be adjusted by changing the thickness of the spacer. It can bear radial load and bidirectional axial load at the same time, and can limit the bidirectional axial displacement of the shaft or housing within the bearing clearance range.
3. Four-row tapered roller bearing (330000 type)
Note: This bearing has a spacer between the inner ring and the outer ring for adjusting the clearance. The performance is basically the same as that of the double-row tapered roller bearing, with large load-bearing capacity and low maximum speed. It is mainly used for heavy machinery, such as rolling mills.
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