Heavy-Duty Impact Idler Rollers – Premium Rubber-Ring Shock Absorbers for Conveyor Loading Zones
Our high-performance impact idler rollers are engineered for critical material points and feeding zones, installed directly beneath loading chutes. Each roller uses high-elasticity rubber rings wrapped around a heavy-duty steel core to absorb shock from falling rocks, ores, and heavy bulk items. By cushioning impacts, they help prevent belt punctures and reduce carcass cracking, protecting your conveyor infrastructure.
Our high-performance impact idler rollers are engineered for critical material points and feeding zones, installed directly beneath loading chutes. Each roller uses high-elasticity rubber rings wrapped around a heavy-duty steel core to absorb shock from falling rocks, ores, and heavy bulk items. By cushioning impacts, they help prevent belt punctures and reduce carcass cracking, protecting your conveyor infrastructure.
Key Features
Exceptional Shock Absorption: Premium wear-resistant rubber rings deform slightly under impact to absorb and dissipate high kinetic energy.
Ultimate Belt Protection: Replaces standard steel rollers in high-impact zones to prevent the belt from being crushed against a rigid surface.
Heavy-Duty Labyrinth Seals: Multi-stage labyrinth seals provide complete protection against fine dust, water, and gritty contaminants reaching the bearings.
Reinforced Steel Shell & Shaft: Extra-thick carbon steel inner tubes and precision cold-drawn solid shafts withstand severe bending loads without fracturing.
Low-Friction Operation: Advanced internal bearing configurations ensure very low rolling resistance, reducing system energy consumption and supporting smooth operation.
Technical Parameters
Parameter | Standard Specification / Reference Value |
Applicable Belt Width | 500 mm – 2400 mm (Custom sizes available) |
Roller Diameter (OD) | Ø89, Ø108, Ø133, Ø159, Ø194 mm (including rubber rings) |
Shaft Diameter | Ø20, Ø25, Ø30, Ø40, Ø45 mm |
Bearing Models | 6204 / 6205 / 6305 / 6306 / 6308 (deep groove ball bearings) |
Rubber Ring Material | High-elasticity natural rubber / Nitrile / Fire-retardant anti-static (FRAS) |
Rubber Hardness | 60 – 70 Shore A |
Inner Shell Material | Q235 / heavy-gauge carbon steel tube |
Wall Thickness | 4.0 mm – 6.0 mm (heavy-duty reinforced options available) |
Sealing System | Multi-stage nylon or steel labyrinth seals (dust & water resistant) |
Surface Treatment | Anti-rust priming, industrial powder coating, or customized painting |
Compliance Standards | CEMA, DIN, ISO, JIS, AS |
Applications
Mining & Heavy Quarries (large run-of-mine ore handling, copper, gold, and rock crushing circuits)
Coal & Power Generation (primary coal intake loops and underground mining transfer stations)
Cement & Aggregate Plants (raw limestone dump stations and primary hopper discharge lines)
Ports & Marine Terminals (high stacker-reclaimer feed systems and ship loaders)
