R6-ZZ Ball Bearing - 3/8"x7/8"x9/32"
| MODEL | R6-ZZ | IN DIAMETER (BORE) | 3/8" |
| TYPE | Metal Shield on both sides | OUT. DIAMETER | 7/8" |
| MATERIAL | 100% Chrome Steel | RPM | 32,000 |
| CLEARANCE | C3 (Pre-Lubricated) | DYNAMIC LOAD | 760 lbs |
| WIDTH (THICKNESS) | 9/32" | STATIC LOAD | 325 lbs |
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R6-ZZ Ball Bearing
The R6-ZZ Ball Bearing is an imperial deep groove ball bearing engineered for compact applications requiring high rotational speed, low rolling resistance, and dependable continuous-duty performance.
Equipped with double metal shields (ZZ), this bearing helps reduce entry of light particles while maintaining lower rolling resistance, making it ideal for compact electric motors, industrial tools, and high-RPM mechanical systems. Manufactured from chrome steel and supplied factory pre-lubricated, the R6-ZZ delivers smooth operation, operational stability, and long service life.
Applications for the R6-ZZ
The R6-ZZ is commonly used in compact industrial equipment and rotating mechanical systems, including:
- Compact electric motors
- Power tools
- Industrial fans
- HVAC equipment
- Light-duty pumps
- Automated machinery
- Compact agricultural equipment
- Light conveyor systems
R series bearings are commonly used in North American equipment and inch-based industrial systems.
Features of the R6-ZZ Ball Bearing
Double metal shields
Metal shields help reduce entry of light particles while supporting lower operational friction in high-speed applications.
Excellent high-speed performance
Deep groove geometry supports efficient continuous high-speed operation with reduced heat generation.
Smooth and quiet operation
This bearing delivers consistent rotation, reduced vibration, and dependable performance in compact industrial systems.
Chrome steel construction
Manufactured from hardened chrome steel to provide dependable mechanical strength and long service life in light and medium industrial applications.
Compact structure
The compact profile of the R6-ZZ supports applications with limited internal space and high rotational efficiency requirements.
When to Use a ZZ Bearing
ZZ bearings are commonly recommended for:
- High-RPM equipment
- Dry environments
- Compact systems
- Low-friction machinery
- Continuous-duty applications
2RS bearings are generally selected when stronger sealing protection is required against water and external debris.
Usage Recommendations
To improve bearing service life:
- Check shaft alignment
- Avoid excessive impacts
- Control abnormal vibration
- Monitor operating temperature
- Use proper installation methods
PGN Bearings Product Line
PGN Bearings supplies industrial components for rotating systems and mechanical power transmission applications. The product line includes ball bearings, roller chains, pillow block bearings, flanged bearings, steel balls, and additional products engineered for dependable continuous industrial performance.
FAQ
What does ZZ mean on a bearing?
“ZZ” indicates metal shields on both sides of the bearing.
Does the R6-ZZ come pre-lubricated?
Yes. The bearing comes factory pre-lubricated.
Is this bearing suitable for high-speed operation?
Yes. The R6-ZZ is designed for high-speed industrial and low-friction applications.
Can this bearing be used in electric motors?
Yes. The R6-ZZ is widely used in compact electric motors and light industrial equipment.
What is the advantage of metal shields?
Metal shields help reduce friction and improve performance in high-RPM applications.








Description
| MODEL | R6-ZZ | IN DIAMETER (BORE) | 3/8" |
| TYPE | Metal Shield on both sides | OUT. DIAMETER | 7/8" |
| MATERIAL | 100% Chrome Steel | RPM | 32,000 |
| CLEARANCE | C3 (Pre-Lubricated) | DYNAMIC LOAD | 760 lbs |
| WIDTH (THICKNESS) | 9/32" | STATIC LOAD | 325 lbs |
Read More
R6-ZZ Ball Bearing
The R6-ZZ Ball Bearing is an imperial deep groove ball bearing engineered for compact applications requiring high rotational speed, low rolling resistance, and dependable continuous-duty performance.
Equipped with double metal shields (ZZ), this bearing helps reduce entry of light particles while maintaining lower rolling resistance, making it ideal for compact electric motors, industrial tools, and high-RPM mechanical systems. Manufactured from chrome steel and supplied factory pre-lubricated, the R6-ZZ delivers smooth operation, operational stability, and long service life.
Applications for the R6-ZZ
The R6-ZZ is commonly used in compact industrial equipment and rotating mechanical systems, including:
- Compact electric motors
- Power tools
- Industrial fans
- HVAC equipment
- Light-duty pumps
- Automated machinery
- Compact agricultural equipment
- Light conveyor systems
R series bearings are commonly used in North American equipment and inch-based industrial systems.
Features of the R6-ZZ Ball Bearing
Double metal shields
Metal shields help reduce entry of light particles while supporting lower operational friction in high-speed applications.
Excellent high-speed performance
Deep groove geometry supports efficient continuous high-speed operation with reduced heat generation.
Smooth and quiet operation
This bearing delivers consistent rotation, reduced vibration, and dependable performance in compact industrial systems.
Chrome steel construction
Manufactured from hardened chrome steel to provide dependable mechanical strength and long service life in light and medium industrial applications.
Compact structure
The compact profile of the R6-ZZ supports applications with limited internal space and high rotational efficiency requirements.
When to Use a ZZ Bearing
ZZ bearings are commonly recommended for:
- High-RPM equipment
- Dry environments
- Compact systems
- Low-friction machinery
- Continuous-duty applications
2RS bearings are generally selected when stronger sealing protection is required against water and external debris.
Usage Recommendations
To improve bearing service life:
- Check shaft alignment
- Avoid excessive impacts
- Control abnormal vibration
- Monitor operating temperature
- Use proper installation methods
PGN Bearings Product Line
PGN Bearings supplies industrial components for rotating systems and mechanical power transmission applications. The product line includes ball bearings, roller chains, pillow block bearings, flanged bearings, steel balls, and additional products engineered for dependable continuous industrial performance.
FAQ
What does ZZ mean on a bearing?
“ZZ” indicates metal shields on both sides of the bearing.
Does the R6-ZZ come pre-lubricated?
Yes. The bearing comes factory pre-lubricated.
Is this bearing suitable for high-speed operation?
Yes. The R6-ZZ is designed for high-speed industrial and low-friction applications.
Can this bearing be used in electric motors?
Yes. The R6-ZZ is widely used in compact electric motors and light industrial equipment.
What is the advantage of metal shields?
Metal shields help reduce friction and improve performance in high-RPM applications.






















