Product Info Large size conveyor chain
Large size conveyor chain can be freely combined to transport materials in any direction, including horizontal, vertical, and inclined orientations. They can withstand temperatures up to about 200°C without the need for special materials, and heat-resistant steel is used for higher temperatures. They also come in specifications that are corrosion-resistant and chemical-resistant to water and chemicals, making them suitable for a wide range of applications.
Almost any material can be transported, from powders such as pulverized coal and cement to granular materials such as wheat and soybeans, lumps such as ore and rocks, and even products weighing several tonnes each, and there are almost no restrictions on the materials that can be transported.
table of contents
Large size conveyor chain related information
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Selection
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Materials
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Operation
Structure
Screw Lock Link
A connecting link that enables safe and fast work.
Note: Due to the nut system, the pin length is long. Please check that it does not interfere with the device.
*The overall length tolerance for Large size conveyor chain is ±0.25%.
■ slip fit
When a shaft and a hole are fitted together, there is always a gap.
A fit in which the tolerance area of the hole is entirely above the tolerance area of the shaft (pin or bush).
■ press fit
A fit that always creates an interference when the shaft and hole are combined.
A fit in which the tolerance range of the hole is completely below the tolerance range of the shaft (pin or bush).
Learn more about the components and their functions
| 1. Pin (CP) | 2. Bush (B) | |
|---|---|---|
| The most important role of pins is to connect outer link and Inner link. Like the plates, they receive chain tension in the direction of travel and reaction force from the transported goods in the perpendicular direction. Furthermore, when the chain articulate, the outer circumference of the pin slides against the inner circumference of the bushing, causing wear. Pins are an important strength component, but they also need to be wear-resistant. | The bushing is a strength component that receives the tension of the chain when it meshes with the sprocket, but its main function is as a bearing component. The outer circumference of the bushing wears out as it slides against the inner circumference of the roller when the roller rotates, and the inner circumference of the bushing wears out as it slides against the outer circumference of the pin when the chain articulate. Wear on the inner circumference of the bushing directly appears as pitch elongation. | |
| 3.Roller (RR, FR, SR, MR, NR) | 4. Plates (PLP-A, PLP-B, BLP) | |
| It has a slip fit with the bushing.. When it meshes with the sprocket, it acts as a roller, mitigating impact and wear on the tooth surface. It also rolls when traveling, reducing rolling resistance. | The plates are primarily subjected to tensile loads in the direction of chain travel, and to reaction forces at right angles to support the transported load. When the chain articulate, the outer and inner plates slide against each other, and when it engages with the sprocket, they slide against the side of the teeth. Generally, the outer plates have round or notched holes. | |
| 5. T-PIN | 6. Attachment | |
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After press-fitting the pin into the outer plate, insert a T-pin and bend it to prevent the pin from falling out. Bend it by more than 30 degrees or until the end of the T-pin fits within the width of the plate. | This is the part that secures the attachment. For information on attachment types, see "Attachment Types" below. |
■The three basic dimensions of chains
Pitch, roller diameter, and Inner link width are called the three basic dimensions of a roller chain. When these dimensions are the same, the roller chain and sprocket are dimensionally compatible.
Attachments are parts for attaching transport fixtures to chains. They can be installed at desired link intervals.
Standard Attachment
This is an economical and versatile attachment.
A attachment
It has a blade on one side.
They are called A1, A2, and A3 depending on the number of bolt holes.
A1 Attachment

A2 attachment

A3 attachment

K attachment
It has wings on both sides.
They are called K1, K2, and K3 depending on the number of bolt holes.
K1 Attachment

K2 Attachment

K3 Attachment

GA Attachment
This type has bolt holes on one side of the plate.
They are called GA2 and GA4 depending on the number of bolt holes.
GA2 attachment

GA4 attachment

Dedicated attachment
Attachments for specific applications.
Deep Link

Top Roller

outboard roller

For flow

Special attachments (Plus α conveyor chain)
A variation of the special attachment.
With SA attachment

A type with a vertical blade on one side
SK attachment included

A type with vertical blades on both sides
CA2 attachment included

Net installation
For gap-free slat installation
AA3 attachment included

Powerful type that clamps attachments
AR2 attachment included

Improved bending rigidity of A attachment
(with reinforcing ribs)
MG2 attachment included

Can be used with one type of mounting jig
With AS2 attachment

Scraper and flight mounting
AF2 attachment included

Deep scraper and flight mounting
WSA0 attachment included

Prevents transported items from spilling
With extension pin

Can be attached to the end of a pin
(Format: EN)
With stay pin

Directly mounted on connecting pin
Installation of nets, etc.
(Format: TN)
With top plate

No scratches on transported items
(Format: TP)
With trolley roller

For horizontal long distances
(Format: TRO)
With outboard roller

Supporting heavy loads
(Format: RO)
With guide shoe

Prevents lateral vibration
(Format: GS)
With guide roller

horizontal use
(Format: GR)
With fixed dog

Push and transport
(Format: KD)
With dog roller

Pushing and transporting round objects
(Format: RD)
With tilting dog

Conveyor storage
(Format: CD)
With roller tilting dog

Round object storage
(Format: RCD)
With ducking dog

Leave the transported item in its designated position
(Format: DD)
Roller type
Large size conveyor chains come in three basic roller types depending on the application.
| Large size conveyor chain basic roller type | ||
|---|---|---|
| R Roller | F Roller | S, M, N roller |
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It helps to reduce shock and wear when the sprockets engage.
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Learn more about how to guide the rollers
Below are examples of roller-type guide methods for the Carrying side and return-way to ensure smooth operation of Large size conveyor chain.
Guide method example
| R roller (S roller) type chain | F roller chain | Chain with outboard roller | |
|---|---|---|---|
| Carrying way | ![]() |
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| return-way | ![]() |
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Safety Precautions
Never weld additional parts to an assembled chain, as this can cause the chain to bend or twist due to plate distortion and can also cause the parts to lose hardness or become brittle due to heat.
Large size conveyor chain product list
- General-purpose and powerful
- Environmental resistance
- Bearing Roller
Conveyor Chain - Cement Conveyance
- Steel Equipment
- Biomass
- Waste Disposal Facility
- Food Industry
- Water Treatment Plant
- Automotive
- Other special uses
- Applied Equipment
Accessories
Corrosion Resistant Conveyor Chain
We offer conveyor chains for applications that require environmental resistance, as well as advanced models with improved performance.
We offer the general-purpose stainless steel GS Series, as well as GSA Series, which improves its wear resistance and Maximum allowable load SS Series, which has excellent corrosion resistance, chemical resistance, heat resistance, and cold resistance; SSA Series, which improves the wear resistance between the bushing and roller; and MT, VT, RT, and YT series, which are specialized functional products that maintain Maximum allowable load while improving the corrosion resistance of each part.You can choose the environmentally resistant chain that is best suited to your required performance and corrosion resistance.
We offer a lineup of metric pitch and inch pitch types, and various attachments are available.
We also offer the convenient Screw Lock Link, which allows connection and disconnection with just a torque wrench.Learn more.
Large size conveyor chain GS Series
Model number RF□□□□□R・F・S・M-GS~
Stainless steel chain (basic model) with improved corrosion resistance compared to DT Series
- - Improved corrosion resistance compared to general-purpose Large size conveyor chain DT Series.
- - The material used is stainless steel (stainless steel 400 series).
- ・Operating Ambient Temperature: -20℃* to 400℃
- *Please contact us for use below -20°C.
size
RF03トン~RF26トン
RF430~RF212
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller,
N roller
Large size conveyor chain GSA Series
Model number RF□□□□□R・F・S・M-GSA~
High-end version of GS Series. Features improved wear resistance and maximum allowable load (Advanced model).
- - Compared to GS Series, the wear resistance between the bush and roller is twice as high, and the wear resistance between the pin and bush is 1.5 times higher.
Maximum allowable load and the allowable load of the R roller and F roller have been improved by 1.3 times. - Ambient temperature: -20°C* to 200°C
- *Please contact us for use below -20°C.
size
RF03 to RF26 tons.
For inch sizes,
please contact us
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller
Large size conveyor chain SS Series
Model number RF□□□□□R・F・S・M-SS~
This is a higher specification than GS Series. Stainless steel chain with excellent corrosion resistance, chemical resistance, heat resistance, and cold resistance.
(Basic model)
- - The material used is stainless steel (stainless steel 300 series).
- ・Operating Ambient Temperature: -20℃* to 400℃
- *Please contact us for use below -20°C.
size
RF03トン~RF26トン
RF430~RF212
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller
Large size conveyor chain SSA Series
Model number RF□□□□□R・F・S・M-SSA~
Improved wear resistance between the bushing and roller of SS Series (Advanced model).
- -Compared to SS Series, this specification improves wear resistance between the bushing and roller by 1.5 times.
- - The allowable roller load for the R roller and F roller has also been improved by 1.3 times.
- ・Operating Ambient Temperature: -20℃ to 200℃
size
RF03 to RF26 tons.
For inch sizes,
please contact us
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller
Large size conveyor chain MT Series
Model number RF□□□□□R・F・S・M・N-MT~
While maintaining the same maximum allowable load as DT Series, it has improved corrosion resistance between the pin and bushing.
(Function-specialized products)
- -Maximum allowable load is the same as that of DT Series.
- - Improved corrosion resistance between pin and bushing.
- ・Operating Ambient Temperature: -20℃ to 200℃
size
RF03トン~RF120トン
RF430~RF212
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller
Large size conveyor chain VT Series
Model number RF□□□□□R・F・S・M・N-VT~
While maintaining the same maximum allowable load as GS Series, it has improved corrosion resistance between the pin and bushing.
(Function-specialized products)
- -Maximum allowable load is the same as that of GS Series.
- - Improved corrosion resistance between pin and bushing.
- ・Operating Ambient Temperature: -20℃ to 200℃
size
RF03トン~RF120トン
RF430~RF212
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller
Large size conveyor chain RT specification
Model number RF□□□□□R・F・S・M・N-RT~
While maintaining the same maximum allowable load as DT Series, it has improved corrosion resistance between the pin, bushing and roller.
(Function-specialized products)
- -Maximum allowable load is the same as that of DT Series.
- - Improved corrosion resistance between pins, bushings, and rollers.
- ・Operating Ambient Temperature: -20℃ to 200℃
size
RF03トン~RF120トン
RF430~RF212
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller
Large size conveyor chain YT specifications
Model number RF□□□□□R・F・S・M・N-YT~
While maintaining the same maximum allowable load as GS Series, it has improved corrosion resistance between the pin, bushing and roller.
(Function-specialized products)
- -Maximum allowable load is the same as that of GS Series.
- - Improved corrosion resistance between pins, bushings, and rollers.
- ・Operating Ambient Temperature: -20℃ to 400℃
size
RF03トン~RF120トン
RF430~RF212
Attachment Type
A1, A2, A3, K1, K2, K3, GA2, GA4, etc.
Roller type
R roller, F roller,
S roller, M roller



















