Gravity Roller Plastic Bearings
The P763020 gravity roller plastic bearing is designed for a tube diameter of 76 mm with a wall thickness of 3.0 mm and a shaft diameter of 20 mm. It uses a precision 6005 bearing type and is made from plastic housing to provide quiet, free-running operation on steel, stainless steel, or PVC tubes. The unit is used in gravity roller applications across industrial conveying systems.
Product Overview
The P763020 gravity roller plastic bearing is designed for a tube diameter of 76 mm with a wall thickness of 3.0 mm and a shaft diameter of 20 mm. It uses a precision 6005 bearing type and is made from plastic housing to provide quiet, free-running operation on steel, stainless steel, or PVC tubes. The unit is used in gravity roller applications across industrial conveying systems.
Part of the Plastic Roller Bearings range, used in Assembly and Production Lines.
Key Benefits
- Designed for 76 mm tube diameter with 3.0 mm wall thickness and 20 mm shaft diameter
- Uses precision 6005 bearing for smooth, free-running performance
- Plastic housing reduces noise and protects tube surfaces
- Suitable for steel, stainless steel, and PVC tubes in dry or washdown environments
- Ideal for medium to heavy weight conveying with low maintenance operation
Application Scenarios
- Gravity roller lines in warehouse loading and unloading operations
- Assembly lines in electrical parts and engine manufacturing
- Conveyor systems in mould and light weight parts manufacturing
- Medium weight conveying in production lines requiring quiet operation
- Integration into sprocket rollers, O-belt rollers, and poly-V rollers
Who It Is For
- Conveyor system integrators building gravity roller lines
- Material handling equipment builders using plastic bearings in roller assemblies
- Industrial distributors sourcing plastic roller bearings in volume
- Manufacturers of gravity roller conveyors and related components
Problems It Solves
- Noise and wear from metal-on-metal contact in standard roller bearings
- Inconsistent performance when using mismatched bearings on different tube sizes
- Difficulty in finding a single supplier for plastic bearings that match specific tube and shaft dimensions
- Lack of washdown compatibility in standard roller bearings for food or hygiene-sensitive lines
- Need for consistent, low-friction operation across long conveyor runs
Technical Features
- Precision 6005 bearing type for consistent rotation and load handling
- Plastic housing designed to fit 76 mm tubes with 3.0 mm wall thickness
- Shaft diameter of 20 mm for direct mounting on standard roller shafts
- Free-running design with low rolling resistance under load
- Integrated bearing housed in a molded plastic casing for durability and quiet operation
Materials
- Plastic housing for noise reduction and tube surface protection
- Precision 6005 bearing for consistent rotational performance
- Compatible with steel, stainless steel, and PVC tubes
Quality Control
- Bearing rotation checked for free movement and smooth operation
- Housing dimensions verified against 76 mm tube and 20 mm shaft specifications
- Material consistency confirmed for plastic housing integrity
- Final check of model number and bearing type before packing
Customization Options
- Special bore sizes available upon request for large quantity orders
- Alternative shaft diameters may be considered with sufficient volume
- Custom housing designs possible for specific tube types or mounting needs
Use Guide
- Ensure the tube diameter is 76 mm and wall thickness is 3.0 mm before installation
- Verify shaft diameter is 20 mm to match the bearing bore
- Install only on steel, stainless steel, or PVC tubes to avoid material incompatibility
- Use in gravity roller applications where quiet, free-running operation is required
- Check bearing rotation after installation to confirm smooth function
Specifications
| Model No | P763020 |
|---|---|
| Tube Diameter | 76 mm |
| Wall Thickness | 3.0 mm |
| Shaft Diameter | 20 mm |
| Bearing Type | 6005 |
| Housing Material | Plastic |
| Application | Gravity roller systems |
Manufacturing Process
Step 1
Molding of the plastic housing to exact tube and shaft dimensions
Step 2
Insertion and alignment of the 6005 precision bearing
Step 3
Final inspection of bearing rotation and housing fit
Step 4
Packing for shipment with protection against damage
Compared With Other Options
| Metal roller bearings | Plastic housing reduces noise and protects tube surfaces, but may have lower load capacity than metal counterparts |
|---|---|
| Standard plastic bearings without precision bearings | This unit uses a 6005 precision bearing for smoother rotation and longer life |
| Bearings for different tube sizes | This model is specifically sized for 76 mm tubes with 3.0 mm wall thickness, ensuring proper fit and performance |
Gravity Roller Plastic Bearings Questions
What tube size is this bearing designed for?
It is designed for tubes with a diameter of 76 mm and a wall thickness of 3.0 mm.
What shaft diameter does it fit?
The bearing is designed for a shaft diameter of 20 mm.
What type of bearing is used?
It uses a precision 6005 bearing type for smooth, consistent rotation.
Can the bore size be changed?
Yes, special bore sizes can be customized for large quantity orders.
Is this bearing suitable for washdown environments?
Yes, it is suitable for washdown applications when used with stainless steel or PVC tubes.
What materials are the bearings compatible with?
It is designed for use with steel, stainless steel, and PVC tubes.
Get a Price for Gravity Roller Plastic Bearings
Send the quantity and any material or surface option you need, and a quotation comes back against this model number.