Detailed description
Overview:
Paired single-row tapered roller bearings accommodates combined loads and provides low friction during operation. By matching one single row tapered roller bearing against a second tapered roller bearing, a rigid bearing application can be achieved.
Specification:
| Designation | 30311/DF |
| Bore Diameter (mm) | 55 |
| Outside Diameter (mm) | 120 |
| Cone Width (mm) | 63 |
| Cup Width (mm) | 58 |
| Weight (kg) | 3.26 |
| Cage Material | Steel |
| Static Load Capacity(kN) | 302 |
| Closure Type | Open |
| Operating Temperature Range | Maximum of +250 °F |
| Assembly Type | Cone & Cup |
| Finish Coating | Uncoated |
| Series | 303 |
| Bearing Material | Steel |
| Dynamic Load Capacity (kN) | 325 kN |
| Maximum (RPM) | 5600 RPM |
| Flange Type | Non-Flanged Cup |
Features and benefits
1. Low friction, noise, and vibration
2. Long service life
3. Reliable even under extreme conditions
4. Separable and interchangeable components eases mounting, dismounting and maintenance
Application
1. agricultural machinery
2. compressors
3. geared-down motors
4. elevators
5. geared box














