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Heavy Duty Gravity Conveyor Roller with Steel Bearing Housing


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Mounting Method:
Surface Treatment:
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  • R1800

  • RONWIN

  • HS Code: 8431390000

R1800 Series Heavy-Duty Gravity Roller

Product Overview

The R1800 Series Heavy-Duty Gravity Roller is an efficient and cost-effective material handling solution designed for the transportation of unit loads. It is widely used for moving cartons, containers, drums, tires, and palletized goods, making it an ideal core component for gravity-fed or push-type conveyor lines. This series offers a variety of tube and shaft diameters to fully meet different load-bearing requirements, from light to heavy-duty applications.


Key Product Features

  1. Exceptional Reliability and Durability

    • Equipped with precision ball bearings, securely sealed within steel-stamped bearing housings, forming a high-strength roller bearing assembly.

    • Compact and robust construction, with axial load capacity significantly higher than plastic bearing units, ensuring long service life even under heavy-duty conditions.


  2. Wide Temperature Adaptability

    • The steel bearing assembly enables an extremely broad operating temperature range (-30°C to +80°C).

    • Capable of performing reliably in extreme temperature environments such as cold storage facilities and oven rooms, ensuring stable conveyor system operation.


  3. High Load Capacity

    • A full range of tube and shaft diameters, combined with sturdy steel bearing housings, provides outstanding load-bearing performance.

    • Excels even in demanding, high-intensity industrial environments such as pallet handling.


  4. Convenient Side Loading

    • The bearing housings are pressed into the roller tubes, and the tube ends feature a rounded design.

    • This unique design allows goods to be easily loaded from the side onto the conveyor line, greatly enhancing operational flexibility and efficiency.


Technical Specifications

General technical data


Max. load capacity

600 KGS

Max. conveyor speed

50 m/min

Temperature range

−30 to +80 °C

Material


Tube

Carbon steel, stainless steel, aluminum

Shaft

Antirust oil coated steel, Zinc-plated steel, Stainless steel

Bearing housing

Zinc-plated steel, stainless steel

Bearing

Precision ball bearing

Design versions


Surface treatment

Zinc-plated, chrome-plated

Tube sleeves

PP sleeve, PU sleeve

Lagging

Rubber, PU


Diagram of R1800 Heavy Duty Gravity Conveyor Roller

GR800 Galvanized Steel Heavy Duty Gravity Conveyor Roller

3 Popular Mounting Methods of R1800 Heavy Load Gravity Conveyor Roller

conveyor roller mounting methods


Dimension of series R1800 with spring loaded installation

Tube Material

D × T

Shaft

E

L

Steel, stainless steel, aluminum

25×1.0

Φ12

E=W+7

L=W+31

Steel, stainless steel, aluminum

32×1.2

Φ12

E=W+9

L=W+31

Steel, stainless steel, aluminum

38×1.2

Φ12

E=W+10

L=W+32

Steel, stainless steel, aluminum

50×1.5

Φ12

E=W+10

L=W+32

Steel, stainless steel, aluminum

60×2.0

Φ12/Φ15

E=W+10

L=W+32

Steel, stainless steel, aluminum

76×3.0

Φ20

E=W+10

L=W+40

Steel

80×3.0

Φ20

E=W+10

L=W+40

Steel

89×3.0

Φ20

E=W+10

L=W+40


Load capacity of series R1800 with loose installation

The load capacity chart shows the static load capacity of the roller for a uniformly distributed load refers to a temperature range of −30 to +80 °C.

Valid for the following shaft designs: spring-loaded shaft or flatted shaft.

R1800 conveyor roller loose mount load capacity

Dimensions of series R1800 with female threaded installation

Tube Material

D × T

Shaft

E

L

Steel, stainless steel, aluminum

25×1.0

Φ12

E=W+7

L=W+8

Steel, stainless steel, aluminum

32×1.2

Φ12

E=W+9

L=W+10

Steel, stainless steel, aluminum

38×1.2

Φ12

E=W+10

L=W+11

Steel, stainless steel, aluminum

50×1.5

Φ12

E=W+10

L=W+11

Steel, stainless steel, aluminum

60×2.0

Φ12/Φ15

E=W+10

L=W+11

Steel, stainless steel, aluminum

76×3.0

Φ20

E=W+10

L=W+12

Steel

80×3.0

Φ20

E=W+10

L=W+12

Steel

89×3.0

Φ20

E=W+10

L=W+12


Load capacity of series R1800 with screw-connected installation

The load capacity chart shows the static load capacity of the roller for a uniformly distributed load refers to a temperature range of −30 to +80 °C.  

Valid for the following shaft designs: female thread or male thread.

R1800 conveyor roller thread mount load capacity

Typical Applications

  • Sorting and conveying lines in warehouses and distribution centers

  • Inter-process connections in packaging and assembly lines

  • Storage and handling of palletized goods

  • Suitable for various industries including food & beverage, pharmaceuticals, logistics, and manufacturing.


R1800 zinc-plated steel gravity roller used in gravity roller conveyor for transport of carton, barrel, box, container.

straight gravity roller conveyor


R1800 diameter 60mm/63mm zinc-plated steel gravity roller used in roller conveyor module of gravity rack for pallet handling.

grvity rack roller conveyor for pallet handling


R1800 diameter 60mm/63mm/76mm zinc-plated steel gravity roller used in roller conveyor module of gravity rack for transport of pallet.

grvity rack roller conveyor for pallet handling


The R1800 Series Heavy-Duty Gravity Roller, with its robust construction, wide applicability, and high cost-effectiveness, is the preferred choice for building efficient and reliable gravity conveyor systems. Whether handling demanding daily tasks or challenging operating environments, it delivers consistent and long-lasting conveying performance.


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Founded in 2004, Longwei is a specialized Chinese manufacturer dedicated to providing customized conveyor systems, modular conveyor units, various rollers, and components for logistics systems.

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