Designation
SKF 31318/DF
Roller bearing 31318/DF
- Brand
- SKF
- Product group
- Bearings & Accessories
- Product type
- Roller bearings
Tapered roller bearings with two matched single row bearings arranged face-to-face (X-arrangement) are based on popular sizes of single row tapered roller bearings. They have rows of rollers arranged face-to-face (load lines converge toward the bearing axis) and can accommodate tilting moments, axial loads in both directions and provide a relatively stiff bearing. They are typically used in gearboxes, hoisting equipment, rolling mills and machines in the mining industry, e.g. tunnelling machines.
Benefits
- High radial load carrying capacity
- Designed for axial loads in both directions
- Accommodate tilting moment
- Relatively high stiffness
- Supplied with an intermediate outer ring spacer
Technical data
| Dimensions | |
|---|---|
| Bore diameter (mm) | 90 |
| Outside diameter (mm) | 190 |
| Features | |
| Manufacturer code | 31318/DF |
| Barcode (EAN) | 7316577120724 |
| Basic dynamic load rating (kN) | 486 |
| Basic static load rating (kN) | 630 |
| Reference speed (r/min) | 1900 |
| Limiting speed (r/min) | 3400 |
| Net weight (kg) | 11.433 |
| Number of rows | 2 |
| Sealing | Without |
| Cage | Sheet metal |
| Bore type | Cylindrical |
| Outer ring locating feature | None |
| Relubrication feature | With |
| Coating | Without |
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