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Conveyor rollers manufacturer

Conveyor Idler Roller

Belt conveyor idler rollers are idlers used at a certain distance to support the active and return sides of the conveyor belt. Properly manufactured, securely installed and well-maintained idlers are important for the smooth and efficient operation of belt conveyors.

Conveyor Roller Manufacturer

From in China GCS Conveyor specializes in the custom design and manufacture of conveyor idler rollers and systems for applications in aggregate conveyors and quarry conveyors, mining conveyors to meet your requirements. Particularly in the case of troughing roller manufacturers, the advantages are outstanding.



From concept to manufacture and delivery to your site, we are with you every step of the way!

We have over 45 years of industry experience to back us up. We know that what we do best is customise conveyors and solutions for your business.

Conveyor Roller Manufacturer,factory In China

As a 45–year–old conveying equipment conveyor roller manufacturer(GCS), We specialize in this field for more than 45 years, with high quality and a pretty competitive price.

Buying Reliable and Efficient Conveyor idler Reliability is one of the most critical requirements for a conveyor system, as any failure can bring the production or distribution process to a halt. This reliability depends largely on the rollers on which the system is based.
GCS Conveyor is a company with many years of experience in the design and manufacture of conveyor rollers and has obtained several export certificates and supports third-party factory inspections.
GCS conveyor employs advanced technology in manufacturing operations to achieve automated mechanical production: automated mechanical roller lines, roller lines, bracket lines: CNC machine tools; automated welding robot arms; CNC automated tapping machines; data controlled punching machines; shaft machining lines; hardware stamping lines.

1. Factory direct with pretty competitive prices of pipe conveyor rollers

2. Quality guaranteed after the check by the QA department

3. OEM order is highly welcomed and easily achieved. All customized requests are available, including customized logos, packaging boxes, details of products, etc.

4. Fast delivery time. 1-2 days shipped out after payment.

5. Professional Team. All members of our team have been in the field for at least 3 years with professional knowledge and kind services.

Choose Your Conveyor Idler Rollers

Global Conveyor Supplies Company Limited (GCS) conveyor rollers suppliers specialized in manufacturing and selling various idlers for bulk material conveying idler equipment, galvanized rollers for light industrial continuous conveying equipment, roller conveying systems, spare parts, and related peripheral hardware products.The products are used in mining and bulk material handling industries.


It also has obtained an ISO9001:2015 quality management system certificate. Our company obtained the industrial production license issued by the General Administration of Quality Supervision.

Custom conveyor roller manufacturer
Custom conveyor roller manufacturer

Custom wholesale conveyor belt bulk material handling machine conveyor  roller

Carrying Idlers


Material:  GCS's rollers are usually made of high-quality steel such as Q235 carbon steel or SS304 stainless steel to ensure that they can withstand heavy loads and long-term wear.



Structure: The structure of a carrier roller usually consists of a cylindrical roller body, a shaft, and bearings. The roller body is the main component that carries the weight of the load and the shaft connects the roller body to the conveyor frame. The bearing ensures the smooth rotation of the roller body. Bearing Type: Commonly used load-bearing roller bearings are deep groove ball bearings, spherical roller bearings, tapered roller bearings, and so on. The type of bearing used depends on the load capacity of the conveyor system, operating speed, and environmental conditions.



Applications: Rollers are used in industries such as mining, construction, and manufacturing where heavy goods need to be transported over long distances. Easier handling in conveyor systems

Troughing Idlers Wholesale & Custom Size

Troughs are common carrying idler types on the load side of roller conveyors. They are usually installed in a trough-shaped frame on the load side along the length of the conveyor belt to guide the rubber conveyor belt and support the conveyed material.

The troughing idler includes a central idler with a certain width and side wing idlers on both sides of the central roller.

Trough idlers usually have 20°, 35°, and 45° angles.

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Offset Idler Wholesale & Custom Size

The offset idler is used to support conveyor belts and material.

The standard trough angle is generally divided into 20°,30°,35°, and 45°.

it can be arranged throughout the whole course to prevent the conveyor belt from off-tracking. 

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Impact Idlers Wholesale & Custom Size

In quarry and mining applications, when large, heavy and sharp materials fall onto the conveyor belt, they can cause impact and damage to the conveyor belt, which ultimately leads to downtime and higher replacement costs. Therefore, an impact idler is required in the material impact area.

It uses a rubber ring design to provide a buffer and absorb impact in the material impact area, and it minimizes the damage to the conveyor belt.

The interval between the impact idler set is usually 350 mm to 450 mm to provide overall support.

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Picking Table Idlers Wholesale & Custom Size

Picking table idler is usually used at the material loading point under the hopper. Picking idler incorporates an onger center roll and shorter.

Inclined rollers to supply large cargo. Compared with the troughing idler, the center roller of the picking table idler is longer, and the short roller with a 20° trough angle can disperse materials to the greatest extent and make inspection and classification easier.

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Flat Carrying Idlers Wholesale & Custom Size

Flat-carrying idlers are used with flat belts where a trough is not required to contain material.

They are used for picking, sorting, feeding, or plowing material from the belt.

Flat Carry is available with Rubber Discs or as Steel Rolls.

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Self-training Idler Wholesale & Custom Size

The misalignment of the conveyor belt may cause material overflow. Therefore, when installing the idler rollers, a self-training idler group must be installed, which can control the alignment of the conveyor belt on the support side.

A self-training roller is usually placed at intervals of 100-150 feet. When the total length of the belt is less than 100 feet, at least one training idler should be installed.

The self-training roller has a troughing angle of 20°, 35°, and 45°.

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Friction Training Carrier Idler Wholesale & Custom Size

Friction training carrier idler is used to automatically adjust the deviation of the conveyor belt.

Generally, a set of friction training carrier idlers is arranged for every 10 sets of trough idlers in the loading section.

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Taper training carrier ldlers Wholesale & Custom Size

Taper training carrier idler is used to automatically adjust the deviation of the conveyor belt, with wear resistance and long working life, lightweight, small rotation inertia, proper structure, reliable sealing, and excellent anti-corrosion performance. Taper training carrier idler can be customized and is low MOQ. 

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Return Idlers

Impact Flat Idlers Wholesale & Custom Size

It is often used for conveying materials on high-speed flat belts.

Transporting large, hard materials requires the use of impact flat belt idlers.

Flat impact idler can buffer and protect the belt.

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Flat Return Idlers Wholesale & Custom Size

The flat return idler is the most common idler on the return side of the raw material receiving roller conveyor to support the return run of the conveyor belt.

It consists of a steel rod installed on two lifting brackets, which can effectively prevent the belt from stretching, slacking, and damage.

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Rubber Disc Return Idlers Wholesale & Custom Size

These Rubber Disc Return Idlers are commonly used in the application of conveying viscous and abrasive materials, the rubber disc can remove the materials stuck on the conveyor belt on the return side.

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Self-training Return Idlers Wholesale & Custom Size

It is used to control the alignment of the conveyor belt on the return side to prevent damage to the conveyor belt and structure.

The installation distance is the same as the self-training idler on the support side.

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V-return Idlers Wholesale & Custom Size

The return idler group composed of two rollers is called V return idler group. Usually used for long-distance land conveyors, suitable for applications requiring heavy, high-tension fabrics and steel cord conveyor belts. Two rollers have a higher rated load than a single roller, which can provide better belt support and belt training.

The included angle of the V return idler is usually 10° or 15°.

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Suspended Ldler2roll 3roll 5roll Wholesale & Custom Size

Suspended Ldler2roll/3roll/5roll Wholesale & Custom Size

Suspended idlers have good self-balance. When the belt is off-tracking, the material redistribution in the operation causes the deformation of the idler plane and the load asymmetry of side idlers.

The tilt angle of the inverted roller on the side of the off-tracking belt is larger than that of the other side roller, which would result in the deflection of the intermediate idler to reduce the regulating force.

This adjustment will produce the opposite thrust and correct the belt.


PIPE DIA(mm):127/152/178

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Just tell us your detailed requirements. The best offer will be provided.

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Your Top Conveyor Roller Supplier And Manufacturer

GCS is a company on design and manufacturing experience of conveyor roller for more than 26 years, GCS adopts advanced technology in its manufacturing operations to implement automatic mechanical production: Automated mechanical roller line, drumline, bracket line: CNC machine tools; Automatic welding robot arm; CNC automatic tapping machine; Data control punching machine; shaft processing line; Metal stamping production line.

Bearing of Idlers
Numerical Tolerance
Process Flow
Bearing of Idlers
Bearing size Outside Diametermm

O.D. Tolerance Class 0

(normal tolerance)

6204 47.000 0/-11
6205 52.000 0/-13
6305 62.000
6306 72.000
6307 80.000
6308 90.000 0/-15
6309 100.000
6310 110.000
6311 120.000 0/-18
Numerical Tolerance


Roll O.D. (mm)

Diameter Tolerance (mm) Wall Thickness (mm) Wall Thickness Tolerance(mm)





2.75 ±0.27
3.0 ±0.30
3.25 ±0.32







2.75 ±0.27
3.0 ±0.30
3.25 ±0.32







±0.80 3.5










±0.90 4.0


±0.90 4.5


±0.90 5.0


±1.0 5.0
Process Flow
Incoming Material  Cutting Machining Deburring Sub-Assy+Welding Assembly Polishing Cleaning+Degreasing Packing&Outgoing
a) Material Type
b) Thickness
c) Appearance
d) Roundness
e) Straightness
 a) Appearance a) Dimension
b) Straightness
c) Appearance
a) Dimension (Customer Spec)b) Appearance
c) Concentricity
 a) Deburring a) Rotation Resistance
b) Runout
d) Dust Resistance
 a) Surface cleaning  a) Appearance  a) Quality As Per Packing Std

idlers process flow



Advantages Of Products

Solid design, suitable for various production lines.

The bearing housing and steel tube are assembled and welded with a concentric automatic.

Cutting of the steel tube and bearing is performed with the use of a digital auto device/machine/equipment..

The bearing end is constructed to ensure that the roller shaft and bearing can be firmly connected.

Fabrication of the roller is effected by an auto device and 100% tested for its concentricity.

Roller and supporting components/materials are manufactured to DIN/ AFNOR/ FEM/ ASTM/ CEMA standard.

The casing is manufactured with highly composite, anti corrosive alloy.

The roller is lubricated and free from maintenance.

Woring life expectancy is up to 30,000 hours or more, depending on usage.

Vacuum sealed which has withstood anti water, salt, snuff, sandstone and dust proof experiments

Have a Special Requirement?

Generally, we have common conveyor roller products and raw materials in stock. For your special demand, we offer you our customization service. We accept OEM/ODM. 

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Why Choose Us As Your Conveyor Roller Supplier In China

Customer visits

Product quality control

1, the product manufacturing and testing are quality records and testing information.

2, the product performance testing, we invite the user to visit the product in the whole process, the whole performance check, until the product was confirmed after the shipment.

Materials choosing

1, in order to ensure high reliability and advanced products, the system selection are selected domestic or international quality brand-name products.

2, in the same competitive conditions, our company is not to reduce the technical performance of products, change the cost of product components on the basis of sincere to the most preferential prices available to you.

Promise for delivery

1, product delivery: as far as possible according to user requirements, if there are special requirements, to be completed ahead of schedule, our company can be specially organized production, installation, and strive to meet user needs.

Frequently Asked Questions

Q: How is your Payment Term?

A:T/T or L/C. Other payment term we can also discuss.

Q:Can you customize it?

A:We support customization according to your request.

Q: What's the MOQ?

A: 1 piece

Q: How long is your delivery time?

A: 5~20 days.We always prepare enough raw materials for your urgent needs, we will check  with our production department for nonstock products, to provide you with the exact delivery time and production schedule.

Q:What is your advantage?

A:We are the 100% manufacturer ,could guarantee the first-hand price.

Q: Can we visit your factory?

A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

Conveyor Roller-The Ultimate Guide

Idlers are cylindrical rods that extend under and along the conveyor belt. It is the most important component/assembly of the trough belt conveyor. The idler is usually located in the trough-shaped metal support frame under the support side to support the conveyor belt and materials.

An important requirement for the idler is the proper support and protection of the belt and the appropriate support for the load being conveyed. Belt conveyor idlers for bulk materials are designed to contain drums of various diameters. The rollers are fitted with antifriction bearings and seals and are mounted on the shaft.

The frictional resistance of the idler roller affects the belt tension and thus the power demand. Roll diameter, bearing design and sealing requirements constitute the main factors affecting frictional resistance.

Choosing the right roll diameter and the size of bearings and shafts is based on the type of service, load carried, belt speed and operating conditions.

Features Of Conveyor Roller

Stable running, good quality with minimum maintenance.

Small vibrating and long lifespan.

Be well dustproof and waterproof.

High accurate steel pipes ensure the rollers/idlers running with low vibration and less noise.

Different Types Of Idler Rollers

There are two types of idler rollers: carrying idlers and return idlers. They are located on the support side and return side of the conveyor. These idlers have many types and functions due to specific applications.

Application Of Conveyor Roller

The products are widely used in coal mines, metallurgy, machinery, ports, construction, electricity, chemistry, food packing and other industries. It endures over 70% resistance of one belt conveyor. The conveyor roller(idler) is used for supporting conveyor belt and the material . There are many kinds roller that we supply, like steel, nylon, ceramic or rubber.

Sand and Aggregate Conveyor Example

Sand and Aggregate Conveyor Example

We are committed to producing high quality metal conveyor rollers

Example of mining raw material loading and conveying

Example of mining raw material loading and conveying1



Example of mining raw material loading and conveying


The industrial conveyor rollers we produced are of high precision, dust-proof and easy to use. 

Example of power generation conveyor



Example of power generation conveyor


Powered rollers for conveyor usually used for transportation with a slope and a certain height.

Example of bulk coal transportation in port

Example of bulk coal transportation in port



Example of bulk coal transportation in port1


In mining industry, we can see heavy duty conveyor rollers everywhere. It is efficient to use this helpful tools.

Example of Aluminum ore raw material

Example of Aluminum ore raw material1


Our aluminum conveyor rollers product is hot-selling item in our factory. Not only durable but also beautiful. 

Example of sealed pipe conveyor

Example of sealed pipe conveyor


Pipe conveyor rollers are usually used in heavy-duty production and transmission. 

Example of long-distance conveyor of precious metal ore

Example of long-distance  conveyor of precious metal ore


Our precision conveyor rollers are widely used all over the world, which are reliable and quality assurance.

Conveyor industry resources for engineers

Identification of drum spacing
pipe belt conveyor
GCS belt conveyor types and application principle

Structural Design and Criterion of Roller Conveyor

The roller conveyor is suitable for conveying all kinds of boxes, bags, pallets, etc. Bulk materials, small items, or irregular items need to be transported on pallets or in turnover boxes.


Pipe belt conveyor and application scenarios

The pipe conveyor has a wide range of applications. It can transport materials vertically, horizontally, and obliquely in all directions. And the lifting height is high, the conveying length is long, the energy consumption is low, and the space is small.

GCS belt conveyor types and application principle

Common belt conveyor structure in various forms, climbing belt machine, tilt belt machine, slotted belt machine, flat belt machine, turning belt machine and other forms.

Our other manufacturing services

Contact us for information on idler roller dimensions,conveyor idler specifications, conveyor idlerscatalogue and price.

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