K-Roll® Guide Rollers
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K-Roll® Guide Rollers
Guide and monoblock rollers combining the machinability and toughness of steel with the superior wear resistance of tungsten carbide.
Technical Specifications
- Construction
- WC sleeve + steel body
- Service life
- Up to 10× tool steel
Technical data
| Application | Material | Avg. t | Total t | t/mm |
|---|---|---|---|---|
| Monoblock guide roller (Ø5.5 mm · 85 m/s) | Tool steel 1.2436 | 650 | 3,250 | 1,083 |
| Monoblock guide roller (Ø5.5 mm · 85 m/s) | ATN K-Roll® | 7,000 | 49,000 | 16,333 |
| Finishing train guide roller (Ø16–20 mm · 13 m/s) | Tool steel 1.2436 | 700 | 2,100 | 525 |
| Finishing train guide roller (Ø16–20 mm · 13 m/s) | ATN K-Roll® | 5,000 | 25,000 | 6,250 |
Source: ATN TECH catalog 2026, p.25.
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About this product
K-ROLL® rollers are the result of fixing a WC sleeve on a steel body by a very special method. WC guide rollers were developed for applications where tool steel rollers are inadequate, but the machining difficulty, high unit weight and cost of tungsten carbide limited their use. K-Roll® rollers largely eliminate these drawbacks.
- Up to 10 times longer service life
- Lower unit cost compared with tool-steel rollers
- Reduced rolling-mill downtime
- Easy machining of bearing cases thanks to the steel body
- Revision cost advantage compared to TiC rollers
- Positive effect on material quality, especially for quality steel
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