No.31090BG WkBearings four row cylindrical for long product mills
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Four independent outer rings for optimal load distribution.
Outer ring spacers can be with or without lubrication grooves and holes.
Improved surface precision to boost lubrication performance.
Oil grooves machined on both inner and outer end faces of the inner ring to reduce end face wear.
Multi-segment spiral grooves with mixed radii that effectively prevent damage to the roll neck.
Carburized surface components are adopted to improve toughness and extend fatigue life.
Advanced sealing ring design with optimized geometric contact to enhance sealing performance.
Improved roller profile design for better load distribution and reduced edge stress.
Effective sealing at the outer diameter of the outer ring to protect the bearing outer diameter and bearing housing bore from contamination.
Outer ring spacers can be with or without lubrication grooves and holes.
Improved surface precision to boost lubrication performance.
Oil grooves machined on both inner and outer end faces of the inner ring to reduce end face wear.
Multi-segment spiral grooves with mixed radii that effectively prevent damage to the roll neck.
Carburized surface components are adopted to improve toughness and extend fatigue life.
Advanced sealing ring design with optimized geometric contact to enhance sealing performance.
Improved roller profile design for better load distribution and reduced edge stress.
Effective sealing at the outer diameter of the outer ring to protect the bearing outer diameter and bearing housing bore from contamination.
Estimated Delivery: Sat, Jun 20 – Wed, Jun 24
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four-row tapered roller bearings without spacers
To meet the diverse requirements of customers, W&K has developed and manufactured inch-series four-row tapered roller bearings without spacers. In addition to the characteristics of standard four-row tapered roller bearings, this type of bearing is designed without inner and outer ring spacers in the center, which minimizes the number of components and facilitates operation.
| Overall Dimensions(mm) | d | 489.026 |
| D | 634.876 | |
| B | 320.675 | |
| B₁ | 320.675 | |
| d₁ | 522 | |
| D₁ | 584 | |
| r(1.2min) | 3.3 | |
| r(3.4min) | 3.3 | |
| Weight(kg) | 265 | |
| inner diameter(mm) | 489.026 | |
| Basic Rated Load(KN) | Dynamic Load | 5500 |
| Static Load | 14600 | |
| Calculation Parameters | e | 0.35 |
| Y₁ | 1.9 | |
| Y₂ | 2.9 | |
| Y₀ | 1.8 | |
| Bearing Model | SKF | 31090BG |
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