Belt Conveyor HDPE Non Metal Idler Roller
Reduce the roller weight by more than 40%.
Use double-layer composite polymer pipe shell material, the outer layer to ensure wear resistance and the inner layer to provide support stiffness.
When the color changes after abrasion, the roller is replaced in time toprotect the belt.
Description
MineAlpine HDPE rollers have below excellent characteristics
● Reduce the roller weight by more than 40%.
● Use double-layer composite polymer pipe shell material, the outer layer to ensure wear resistance and the inner layer to provide support stiffness. When the color changes after abrasion, the roller is replaced in time toprotect the belt.
● The pipe body and bearing seat are welded together by patented welding process technology, which can bear axial force greater than 20000N. The connection between the pipe body and bearing seat is strong and does not fall off.
● Suitable for long-distance and large capacity belt conveyor and can greatly saves the workload and cost of installation and maintenance.
● Special design of the end cover avoids material squeezing between the roller bracket and the roller.
● The contact seal structure formed between the V-shaped outer seal of the rubber ring with patented technology and stainless steel mirror gasket inner seal can achieve a smaller friction coeffcient and superior sealing performance which is suitable for all harsh working conditions.



Specifications
Metric (shell diameters in mm)
MineAlpine metric HDPE rollers come in various types and a wide range of sizes for different applications, placements and duties. Available with various surface finishes, they are greased for life and factory sealed. With premium bearings and very effective seals, they are built for tough working conditions and harsh climatic extremes.
| Light duty | Roller diameter mm | Shaft diameter mm | Bearing |
| HDPE rollers | 51-159 | 15, 17, 20 | 6303, 6204 |
| return rollers | 89-159 | 20 | 6204 |
| Garlands | 63.5-159 | 20 | 6204 |
| Guiding rollers | 63.5-89 | 20 | 6204 |
| Medium duty | Roller diameter mm | Shaft diameter mm | Bearing |
| HDPE rollers | 63.5-219 | 25, 30, 40 | 6305, 6206, 6308 |
| return rollers | 89-219 | 25, 30, 40 | 6305, 6206, 6308 |
| Garlands | 89-219 | 25, 30 | 6305, 6206 |
| Guiding rollers | 108-159 | 25, 30 | 6305, 6206 |
| Heavy duty | Roller diameter mm | Shaft diametermm | Bearing |
| HDPE rollers | 159-219 | 40, 50, 60 | 6308, 6310, 6312 |
| return rollers | 159-219 | 40 | 6308 |
Imperial (shell diameters given in mm but based on inches)
MineAlpine imperial high-grade HDPE rollers come in various types and a wide range of sizes for different applications, placements and duties. Available with various surface finishes, they are greased for life and factory sealed. With duty-matched shafts, premium bearings and very effective seals, they are built for tough working conditions and harsh climatic extremes.
| Models | Roller diameter mm | Shaft diametermm | Bearing |
| Light duty | 102-152 | 20-25 | 6204, 6205 |
| Medium duty | 127-178 | 25-35 | 6206, 6305, 6306, 6307 |
| Heavy duty | 152-203 | 40-60 | 6308, 6309, 6310, 6312 |

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