608-2RS High Precision Miniature Bearing
Built for Smooth Motion, Consistent Accuracy, and Long-Term Reliability
Not all miniature bearings are manufactured to the same standard.
In precision-driven equipment, even small variations in vibration, noise, or dimensional accuracy can affect overall system performance. The 608-2RS High Precision Miniature Bearing is designed for applications where smooth rotation and dependable operation are essential.
Featuring double rubber seals and precision-machined raceways, this bearing helps protect internal components from contamination while maintaining stable running characteristics. Its compact size and versatile design make it a practical choice for manufacturers seeking reliable performance in small motors, automation systems, precision tools, and motion-control equipment.
Why Precision Matters in Miniature Bearings
In compact mechanical systems, bearing quality often has a direct impact on product performance.
A high-precision bearing can contribute to:
More stable rotational accuracy
Reduced operating noise
Lower vibration levels
Improved equipment efficiency
Extended service intervals
Better consistency across production batches
For OEM manufacturers, these factors can influence both product reliability and customer satisfaction.
Product Specifications
| Item | Specification |
|---|---|
| Product Model | 608-2RS |
| Bearing Type | High Precision Miniature Deep Groove Ball Bearing |
| Bore Diameter (d) | 8 mm |
| Outer Diameter (D) | 22 mm |
| Width (B) | 7 mm |
| Seal Type | Double Rubber Sealed (2RS) |
| Material | Chrome Steel SAE 52100 |
| Cage Type | Steel Cage |
| Precision Options | ABEC-3 / ABEC-5 / ABEC-7 |
| Internal Clearance | C0 / C3 |
| Lubrication | Factory Filled Low-Noise Grease |
| Operating Temperature | -20°C to +120°C |
Designed for Demanding Applications
Unlike general-purpose bearings, high-precision 608 bearings are commonly selected for equipment where smooth operation and repeatable performance are important.
| Application Requirement | Bearing Advantage |
|---|---|
| Low vibration | Precision raceway grinding |
| Quiet operation | Controlled assembly process |
| Compact design | Small installation footprint |
| Contamination protection | Double rubber seals |
| Continuous operation | Stable lubrication retention |
| High rotational accuracy | Tight dimensional tolerances |
Typical Industries and Equipment
Motion Control Systems
Servo motors
Stepper motors
Positioning devices
Automated assemblies
Automation & Robotics
Pick-and-place equipment
Compact robotic joints
Linear motion systems
Sensor-driven mechanisms
Electric Motor Applications
Cooling fans
Brushless motors
Precision drive units
Small industrial motors
Precision Devices
Measuring instruments
Medical equipment
Laboratory systems
Optical devices
The compact dimensions of the 608-2RS make it especially suitable for applications where performance and space efficiency must be balanced.
What Purchasing Teams Often Evaluate
When sourcing miniature bearings for OEM production, buyers typically consider more than dimensions alone.
| Evaluation Factor | Importance |
|---|---|
| Dimensional Consistency | Assembly accuracy |
| Noise Performance | Product quality perception |
| Lubrication Quality | Service life |
| Material Stability | Long-term durability |
| Batch Traceability | Production control |
| Supply Reliability | Inventory planning |
A reliable bearing supplier should be able to support all of these requirements, not just provide standard specifications.
FAQ
What makes a 608 bearing "high precision"?
High-precision bearings are manufactured with tighter tolerances, improved raceway finishing, and stricter quality controls to achieve smoother rotation and better consistency.
What does 2RS mean?
2RS indicates that the bearing is equipped with rubber seals on both sides. These seals help retain lubricant and reduce contamination from dust and moisture.
Is the bearing suitable for electric motors?
Yes. The 608-2RS is commonly used in small electric motors, cooling fans, and precision drive systems where low noise and smooth operation are important.
Can ABEC-5 or ABEC-7 versions be supplied?
Yes. Different precision grades are available depending on application requirements.
Is the bearing supplied pre-lubricated?
Yes. Standard bearings are factory greased and ready for installation.
Do you support OEM packaging?
Yes. We provide custom packaging, private labeling, laser marking, and distributor branding services.
Can samples be provided before volume orders?
Absolutely. Sample orders are available to support qualification testing and project evaluation.
Products Description




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