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R1700
RONWIN
HS Code: 8431390000
Bulk material handling roller is also called sealed idler, it is a critical component used in belt conveyors, characterized by a more advanced and effective sealing system compared to conventional idlers. Their primary purpose is to prevent external contaminants (such as dust, moisture, and mud) from entering the idler's interior while also preventing the leakage of internal lubricating grease. This ensures that the idler can operate smoothly, with low resistance and low noise over an extended period, thereby prolonging its service life.
Preventing Bearing Damage: Once dust and particulate matter enter the bearing, they act as abrasives, accelerating bearing wear and causing the idler to seize, stop rotating, or become damaged.
Blocking Moisture and Corrosion: In damp, watery, or corrosive environments, effective sealing prevents moisture and corrosive substances from eroding the bearing and shaft core, avoiding rust and failure.
Maintaining Lubrication: Good sealing prevents lubricating grease from drying out or leaking, ensuring the bearing remains continuously lubricated, reducing friction and wear.
Reducing Operational Resistance: A smoothly rotating idler significantly lowers the operational resistance of the conveyor, thereby saving energy.
Decreasing Maintenance Costs: Long-lasting idlers mean fewer replacement frequencies and less downtime, greatly reducing equipment maintenance costs and labor expenses.
The core of the sealed idler roller lies in its sealing structure. The R1700 sealed idler roller adopts a labyrinth seal. This type of seal uses a series of concentric rings or tooth-like structures to create a winding path, making it difficult for contaminants to directly enter the bearing chamber.
Ultra-long Service Life: Under harsh working conditions, its lifespan can be several times or even more than ten times that of ordinary idler rollers.
Reliable Operation: Low seizure rate, ensuring continuous and stable operation of the conveyor line.
Low Maintenance Costs: Reduces the frequency of replacement, repairs, and lubrication.
Strong Adaptability: Suitable for harsh environments with high levels of dust and humidity, such as mines, ports, power plants, cement plants, and fertilizer plants.
| dia.×T | shaft dia. | flat milling | b×h | material | Surface Treatment |
| Φ60×2 | Φ15 | E=W+10 | 12×10 | steel | zinc-plated, paint or powder coating |
| Φ76×3 | Φ20 | E=W+10 | 14×6 | steel | |
| Φ89×3/4 | Φ20 | E=W+10 | 14×6 | steel | |
| Φ108×3.5 | Φ25 | E=W+10 | 18×8 | steel | |
| Φ133×3.5 | Φ25 | E=W+10 | 18×8 | steel | |
| Φ159×4 | Φ30 | E=W+10 | 22×8 | steel |
Originated from the mining idler, the round end of roller is machined flat to fix into the frame groove. Assembly and disassembly is very easy.
Roller radial direction is not bound, so it is suitable for supporting roller of belt conveyor, but not suitable for sprocket roller, poly-vee roller or other drive roller.
Creating other mounting way of end hole fixed with the frame, completely delete the possibility of shaft roating, mainly applied in adjustable accumulation roller.
Sealed idlers are essential in the following industries and working conditions
Mining: Both open-pit and underground mines, where dust and moisture levels are extremely high.
Coal Industry: From coal mining faces to coal preparation plants and coal storage yards, coal dust and humidity are persistent challenges.
Ports and Terminals: Transporting ores, coal, grain, etc., while exposed to sea winds, salt spray corrosion, and rainwater.
Cement Manufacturing: High dust levels throughout the process, from raw material preparation to finished product shipment.
Power Industry: Coal handling systems in thermal power plants.
Iron and Steel Metallurgy: High-dust areas such as raw material yards and sintering plants.
Chemical and Fertilizer Industries: Environments potentially containing corrosive dust or gases.
The sealed idler is not merely a simple component but a critical technological guarantee for the efficient and reliable operation of belt conveyors in harsh environments. Although selecting a sealed idler with an excellent sealing system that suits specific working conditions may involve a higher initial investment, it proves to be a highly economical and wise decision when considering the total cost of the equipment’s entire lifecycle. When making a selection, close attention should be paid to its sealing structure type, material, and manufacturing process.
Bulk material handling roller is also called sealed idler, it is a critical component used in belt conveyors, characterized by a more advanced and effective sealing system compared to conventional idlers. Their primary purpose is to prevent external contaminants (such as dust, moisture, and mud) from entering the idler's interior while also preventing the leakage of internal lubricating grease. This ensures that the idler can operate smoothly, with low resistance and low noise over an extended period, thereby prolonging its service life.
Preventing Bearing Damage: Once dust and particulate matter enter the bearing, they act as abrasives, accelerating bearing wear and causing the idler to seize, stop rotating, or become damaged.
Blocking Moisture and Corrosion: In damp, watery, or corrosive environments, effective sealing prevents moisture and corrosive substances from eroding the bearing and shaft core, avoiding rust and failure.
Maintaining Lubrication: Good sealing prevents lubricating grease from drying out or leaking, ensuring the bearing remains continuously lubricated, reducing friction and wear.
Reducing Operational Resistance: A smoothly rotating idler significantly lowers the operational resistance of the conveyor, thereby saving energy.
Decreasing Maintenance Costs: Long-lasting idlers mean fewer replacement frequencies and less downtime, greatly reducing equipment maintenance costs and labor expenses.
The core of the sealed idler roller lies in its sealing structure. The R1700 sealed idler roller adopts a labyrinth seal. This type of seal uses a series of concentric rings or tooth-like structures to create a winding path, making it difficult for contaminants to directly enter the bearing chamber.
Ultra-long Service Life: Under harsh working conditions, its lifespan can be several times or even more than ten times that of ordinary idler rollers.
Reliable Operation: Low seizure rate, ensuring continuous and stable operation of the conveyor line.
Low Maintenance Costs: Reduces the frequency of replacement, repairs, and lubrication.
Strong Adaptability: Suitable for harsh environments with high levels of dust and humidity, such as mines, ports, power plants, cement plants, and fertilizer plants.
| dia.×T | shaft dia. | flat milling | b×h | material | Surface Treatment |
| Φ60×2 | Φ15 | E=W+10 | 12×10 | steel | zinc-plated, paint or powder coating |
| Φ76×3 | Φ20 | E=W+10 | 14×6 | steel | |
| Φ89×3/4 | Φ20 | E=W+10 | 14×6 | steel | |
| Φ108×3.5 | Φ25 | E=W+10 | 18×8 | steel | |
| Φ133×3.5 | Φ25 | E=W+10 | 18×8 | steel | |
| Φ159×4 | Φ30 | E=W+10 | 22×8 | steel |
Originated from the mining idler, the round end of roller is machined flat to fix into the frame groove. Assembly and disassembly is very easy.
Roller radial direction is not bound, so it is suitable for supporting roller of belt conveyor, but not suitable for sprocket roller, poly-vee roller or other drive roller.
Creating other mounting way of end hole fixed with the frame, completely delete the possibility of shaft roating, mainly applied in adjustable accumulation roller.
Sealed idlers are essential in the following industries and working conditions
Mining: Both open-pit and underground mines, where dust and moisture levels are extremely high.
Coal Industry: From coal mining faces to coal preparation plants and coal storage yards, coal dust and humidity are persistent challenges.
Ports and Terminals: Transporting ores, coal, grain, etc., while exposed to sea winds, salt spray corrosion, and rainwater.
Cement Manufacturing: High dust levels throughout the process, from raw material preparation to finished product shipment.
Power Industry: Coal handling systems in thermal power plants.
Iron and Steel Metallurgy: High-dust areas such as raw material yards and sintering plants.
Chemical and Fertilizer Industries: Environments potentially containing corrosive dust or gases.
The sealed idler is not merely a simple component but a critical technological guarantee for the efficient and reliable operation of belt conveyors in harsh environments. Although selecting a sealed idler with an excellent sealing system that suits specific working conditions may involve a higher initial investment, it proves to be a highly economical and wise decision when considering the total cost of the equipment’s entire lifecycle. When making a selection, close attention should be paid to its sealing structure type, material, and manufacturing process.
