Tianhe Conveying Machine Co.,Ltd · Wuxi Jiangsu China
Roller

Plastic PVC Gravity Roller With Plastic End Cap

The THJR series is a plastic PVC gravity roller with a plastic end cap, designed for low-load applications in plastic gravity roller conveyors. It has a tube diameter from 16 mm to 60 mm, a shaft size of 5 mm to 12 mm, and a length range from 50 mm to 1200 mm. The unit is made entirely from PVC and is used where light loads are moved by hand or gravity.

Plastic PVC gravity roller with plastic end cap, showing tube, shaft, and end cap assembly
Plastic PVC gravity roller with plastic end cap, showing tube, shaft, and end cap assembly

Product Overview

The THJR series is a plastic PVC gravity roller with a plastic end cap, designed for low-load applications in plastic gravity roller conveyors. It has a tube diameter from 16 mm to 60 mm, a shaft size of 5 mm to 12 mm, and a length range from 50 mm to 1200 mm. The unit is made entirely from PVC and is used where light loads are moved by hand or gravity.

Part of the Roller range, used in Warehouse and Distribution Centres.

Key Benefits

  • Low weight and low rolling resistance for light load movement
  • Plastic end cap reduces noise and protects the shaft from wear
  • PVC construction resists moisture and light chemical exposure
  • Available in multiple diameters and lengths to match existing conveyor tube sizes
  • Simple integration into plastic gravity roller conveyor systems

Application Scenarios

  • Lightweight product transfer on a plastic gravity roller conveyor in a packaging line
  • Assembly line stations where small parts or components are moved by hand
  • Internal material handling in a cleanroom or dry environment with low load requirements
  • Short conveyor sections where powered drives are not needed
  • Integration into modular plastic conveyor systems where consistent tube diameter and shaft size are required

Who It Is For

  • Conveyor system integrators building low-load plastic gravity conveyors
  • Material handling equipment builders using plastic rollers in light-duty lines
  • Industrial distributors stocking plastic rollers by diameter and shaft size
  • Assembly line builders needing consistent roller dimensions for modular design
  • Warehouse automation contractors setting up light-duty transfer points

Problems It Solves

  • Inconsistent roller dimensions when sourcing from multiple suppliers
  • Heavy rollers causing resistance in low-load gravity applications
  • Metal rollers introducing noise or risk of marking delicate parts
  • Lack of matching shaft size and tube diameter when integrating new rollers
  • Need for a single-source solution for plastic gravity roller components

Technical Features

  • Made from PVC for low weight and non-marking contact
  • Plastic end cap protects the shaft and reduces noise
  • Tube thickness from 1.0 mm to 3.0 mm to match common plastic tube profiles
  • Shaft sizes of 5 mm, 6 mm, 8 mm, 10 mm or 12 mm depending on model
  • Length range from 50 mm to 1200 mm for flexible conveyor design

Materials

  • PVC tube and end cap for low weight and resistance to moisture
  • Plastic end cap to protect the shaft and reduce noise
  • No metal components to avoid marking or corrosion

Quality Control

  • Tube diameter and thickness checked against the specified tolerance
  • Shaft size verified to match the model specification
  • End cap fitted securely and aligned with the tube
  • No visible defects or warping in the PVC material
  • Length measured to ensure it falls within the stated range

Customization Options

  • Select model based on required diameter, shaft size, and length
  • Choose from available models with matching tube diameter and shaft size
  • Length can be selected within the model's range to fit the application

Use Guide

  • Ensure the tube diameter and shaft size match the existing conveyor frame
  • Verify that the load per roller is within the low-load limit of the PVC material
  • Use only for gravity or hand-powered movement, not for powered conveyors
  • Avoid exposure to high temperatures or strong solvents that may degrade PVC
  • Select the length based on the required conveyor section and spacing

Specifications

Model NoTHJR-1610B
DiameterΦ16 mm
Tube Thickness1.0 mm
ShaftΦ5 mm
Length50~600 mm
MaterialPVC
Model NoTHJR-2015B
DiameterΦ20 mm
Tube Thickness1.5 mm
ShaftΦ6 mm
Length50~600 mm
MaterialPVC
Model NoTHJR-2518B
DiameterΦ25 mm
Tube Thickness1.8 mm
ShaftΦ8 mm
Length50~800 mm
MaterialPVC
Model NoTHJR-3018B
DiameterΦ30 mm
Tube Thickness1.8 mm
ShaftΦ8 mm
Length50~800 mm
MaterialPVC
Model NoTHJR-3820B
DiameterΦ38 mm
Tube Thickness2.0 mm
ShaftΦ8 mm
Length50~1200 mm
MaterialPVC
Model NoTHJR-5025B
DiameterΦ50 mm
Tube Thickness2.5 mm
ShaftΦ8 or Φ10 mm
Length80~1200 mm
MaterialPVC
Model NoTHJR-6030B
DiameterΦ60 mm
Tube Thickness3.0 mm
ShaftΦ12 mm
Length80~1200 mm
MaterialPVC

Manufacturing Process

Step 1

Extrusion of PVC tube to specified diameter and thickness

Step 2

Cutting of tube to length based on order

Step 3

Machining of end cap to fit shaft and tube

Step 4

Assembly of end cap onto shaft and tube

Step 5

Final inspection and packing

Compared With Other Options

Metal gravity rollersPVC rollers are lighter and quieter, but have lower load capacity and are not suitable for heavy or high-speed applications
Plastic rollers with metal shaftsThis model uses a plastic shaft and end cap, reducing weight and marking risk, but may not suit high-load or high-wear environments
Standard plastic conveyor rollersThis model is designed for integration into plastic gravity roller conveyors with consistent tube and shaft dimensions

Plastic PVC Gravity Roller With Plastic End Cap Questions

What is the load capacity of this plastic PVC gravity roller?

The load capacity is very limited and intended for light-duty, hand-powered or gravity movement only.

What shaft sizes are available?

Shaft sizes include Φ5 mm, Φ6 mm, Φ8 mm, Φ10 mm, and Φ12 mm, depending on the model.

Can I get a custom length outside the listed range?

Lengths are available within the range specified for each model, such as 50–600 mm or 80–1200 mm.

Is the end cap made of the same material as the tube?

Yes, the end cap is made of plastic and matches the PVC material of the tube.

What is the material used for the roller and end cap?

Both the tube and the end cap are made from PVC.

Are these rollers suitable for powered conveyors?

No, these rollers are designed for gravity or hand-powered movement only.

Get a Price for Plastic PVC Gravity Roller With Plastic End Cap

Send the quantity and any material or surface option you need, and a quotation comes back against this model number.