Idler Roller Manufacturer & Supplier in China
If your conveyor belt is drifting, wearing unevenly, vibrating, or losing efficiency, the problem is often not the belt- it’s the Idler Roller system underneath.
At Rui Le'er, we manufacture and supply heavy-duty Idler Roller solutions designed to keep your belt running straight, reduce resistance, and extend belt life in harsh working environments.
As an experienced Idler Roller manufacturer, supplier, and factory in China, we provide a full range of conveyor idlers for mining, cement, ports, grain handling, metallurgy, and chemical material transport — with stable performance, competitive pricing, and fast delivery.
What is an Idler Roller?
An Idler Roller (also called conveyor idler) is a key supporting component of a belt conveyor. Its main functions include:
●Supporting the conveyor belt and bulk materials
●Reducing friction and running resistance
●Preventing belt sagging and deviation
●Improving conveying stability and efficiency
●Extending the service life of the belt and structure
Without high-quality Idler Roller assemblies, belt conveyors will suffer from:
●Belt misalignment
●Edge wear
●Increased power consumption
●Material spillage
●Abnormal noise and vibration
●Premature belt failure
- View as
V-shaped Return Idler
Rui Le'er V-shaped return idlers: precise correction, diverse specs, easy installation.
Tapered Cone Idlers
Rui Le'er is a leading manufacturer based in China, specializing in high-quality Tapered Cone Idlers. As a trusted supplier and factory, we provide durable and efficient conveyor components tailored to meet global industrial needs. Our idlers range from 60mm to 194mm in diameter. Contact us for more info.
Carrying Training Idlers
Rui Le'er is a professional China manufacturer, supplier, and factory of conveyor components. Our Carrying Training Idlers are designed to automatically correct belt misalignment, reducing edge damage, spillage, and downtime. Made from high-strength carbon steel with precision machining and strict inspection, they ensure smooth rotation, stable tracking, and long service life. Available for belt widths B500–B2000, Rui Le'er supports OEM customization and fast delivery for mining, cement, ports, and bulk material handling projects worldwide.
Self-Aligning Flat Idlers
Rui Le'er's self-aligning flat idlers, crafted from premium Chinese carbon steel, ensure long-lasting durability. Available in diameters from 60mm to 194mm, they are ideal for conveyor systems. As a leading China supplier and manufacturer, Rui Le'er offers high-quality solutions tailored to industry needs.
V-Type Carrying Idlers
Rui Le'er's V-Type Carrying Idlers are essential components for long-distance belt conveyors, offering stability and efficient operation. Made from high-quality Chinese steel, they are ideal for industries like mining and chemicals. With robust performance and long-lasting reliability, they enhance conveyor efficiency.
Ceramic Idler Rollers
Ceramic Idler Rollers, made of ceramics fired in China, with diameters ranging from 89mm to 194mm. For more details about the idlers, please contact us!
Product Categories
Rui Le'er offers a complete conveyor idler system range, including:
1) Carrying Idlers (Upper Belt Support)
2) Flat Return Idlers (Lower Belt Support)
3) Carrying Training Idlers
4) Return Training Idlers
5) Guide Rollers
Related Conveyor Components We Also Supply
To support full conveyor system sourcing, Rui Le'er also manufactures:
Drum Pulley (Drive Pulley / Tail Pulley / Bend Pulley)
Conveyor rollers & pulleys
Conveyor belt accessories
Tensioning devices
Frames, brackets, and roller sets
This makes Rui Le'er a reliable conveyor parts supplier and factory in China for complete procurement.
Specifications
| Item | Specification Range |
|---|---|
| Roller Diameter | 63.5mm / 76mm / 89mm / 102mm / 108mm / 114mm / 127mm / 133mm / 152mm / 159mm / 178mm / 194mm / 219mm |
| Roller Length | 190–2400mm (custom available) |
| Tube Material | Carbon Steel (Q235) / Stainless Steel optional |
| Shaft Material | 45# Steel / 40Cr optional |
| Bearing Type | Deep groove ball bearing (C3 clearance optional) |
| Seal Structure | Labyrinth seal + grease seal (multi-stage) |
| Surface Treatment | Powder coating / Galvanized / Rubber lagging (impact) |
| Trough Angle | 20° / 30° / 35° / 45° |
| Belt Width Compatibility | 400–2400mm |
| Operating Temperature | -20°C to +80°C (special up to +150°C) |
| Max Speed (Typical) | 2.0–6.5 m/s (depends on model) |
| Rotation Resistance | Low resistance design for energy saving |
Rui Le'er can customize idler rollers based on belt width, material type, conveyor speed, and environment.
Why Choose Rui Le'er as Your Idler Roller Manufacturer in China?
Rui Le'er is not a trading-only seller. We are a real Idler Roller factory in China with:
8,000㎡ modern production base
42+ skilled production workers
17 engineers and technical specialists
ISO quality management system
Precision processing + strict inspection (micrometers, runout test benches, dynamic balancing, ultrasonic testing, etc.)
Stable export supply capability (North America, Western Europe, Oceania, South America, Southeast Asia, Middle East, Eastern Europe, East Asia)
This is how we ensure every Idler Roller shipment meets industrial reliability standards.
Applications
Our Idler Roller systems are widely used in:
Mining conveyors (coal, ore, crushed stone)
Cement and building materials (sand, clinker, limestone)
Chemical industry (corrosive or sticky materials with anti-corrosion options)
Grain handling (wheat, corn, rice)
Port terminals (bulk cargo, transshipment conveyors)
Metallurgy (steel, non-ferrous raw material conveying)
Logistics and recycling (special conveyors)
Performance Benefits You Can Expect
Using Rui Le'er Idler Roller solutions helps you:
Reduce belt deviation and edge damage
Lower conveyor running resistance
Reduce energy consumption
Improve load stability and throughput
Extend belt and pulley service life
Reduce downtime and maintenance costs
FAQ
Q1: What is the main function of an Idler Roller?
An Idler Roller supports the belt and material load, reduces friction, prevents belt sagging, and ensures stable conveyor operation.
Q2: How do I choose between Carrying Idlers and Return Idlers?
Carrying Idlers support the loaded belt (upper side)
Return Idlers support the empty belt (lower side)
Both are necessary for a complete conveyor system.
Q3: What causes belt deviation, and can Training Idlers solve it?
Common causes include misaligned frames, uneven loading, and poor idler quality.
Carrying Training Idlers and return training idlers can automatically correct belt tracking and reduce belt drift.
Q4: What is the difference between Impact Idlers and normal Carrying Idlers?
Impact idlers are used at loading zones. They have rubber rings or impact structures to absorb shock and protect the belt from damage.
Q5: Can Rui Le'er provide Drum Pulley and other conveyor parts together?
Yes. Rui Le'er supplies complete conveyor components including Drum Pulley, rollers, idlers, brackets, tensioning devices, and conveyor belt accessories.
Q6: Do you support OEM and custom production?
Yes. As a professional manufacturer and supplier, Rui Le'er supports OEM branding, drawings, custom sizes, and project-based conveyor idler solutions.
Get a Quote from Rui Le'er (Supplier & Factory in China)
If you are sourcing Idler Roller in bulk or need a complete conveyor idler system, Rui Le'er can provide:
Technical selection support
Customized drawings and solutions
Stable production and fast delivery
Full inspection and export packaging
Rui Le'er is your trusted Idler Roller manufacturer, supplier, and factory in China for industrial belt conveyor systems.
