Engineered for Precision and Durability | High Quality Ceramic Ball Bearings For Wheels 3x7x3mm Size
The High Quality Ceramic Ball Bearings For Wheels 3x7x3mm Size are designed for automotive professionals, hobbyists, and industrial operators who demand superior performance, reliability, and ultra-low noise operation. Crafted from premium ceramic with ZrO₂ balls and a stamped steel cage bearing, these bearings feature a single-row deep groove structure that ensures efficient handling of both axial and radial load requirements. Their compact size and precision construction make them perfect for wheels, miniature motors, micro-robots, and other high-speed applications requiring stability and long-lasting durability.

These bearings are engineered to operate flawlessly in demanding conditions, maintaining exceptional performance at high RPMs while minimizing friction and vibration. The ZZ, 2RS, and OPEN sealing options provide effective protection against dust, moisture, and debris, ensuring consistent operation over extended periods. Ideal for automotive applications, CNC machinery, and precision equipment, these bearings combine advanced ceramic materials with expert design to deliver unmatched smoothness, long service life, and reliable performance for professionals and enthusiasts alike.
Technical Specifications
| Attribute | Value |
|---|---|
| Product Name | High Quality Ceramic Ball Bearings For Wheels 3x7x3mm Size |
| Applicable Industries | Automotive Industry |
| Precision Rating |
P2 P4 P5 P6
|
| Number of Rows |
Single row
|
| Inner Diameter |
3.175 mm
|
| Outer Diameter | 6.35 mm |
| Width | 2.779 mm |
| Sealing Type |
ZZ 2RS OPEN
|
| System of Measurement | Metric |
| Material |
Ceramic
|
|
Ball Material
|
ZrO₂
|
| Bearing Type | Ceramic Ball bearing |
| Load Type | Axial & Radial Load Ball Bearings |
| Lubrication |
Dry/Grease/Oil
|
| Feature |
High Speed, Low Noise
|
| Noise Level |
Z1,Z2,Z3
|
| Vibration Level |
V1 V2 V3 V4
|
| Clearance | C2 C0 C3 C4 C5 |
| Structure Type | Groove Structure |
| Bore Type | Cylindrical Bore |
| Fit Type | Press Fit |
| Housing Compatibility | Suitable for standard bearing housings |
Why Choose High Quality Ceramic Ball Bearings For Wheels 3x7x3mm Size?
🔹 Suitable for automotive, industrial, and hobbyist applications requiring mini deep groove bearing solutions.
🔹 High ABEC-rated precision for superior rotational accuracy and smooth performance.
🔹 Single-row structure ensures enhanced stability under axial and radial loads.
🔹 Sealed and shielded design for protection against dust, dirt, and contaminants.
🔹 Made from high-quality ceramic and stainless steel cage materials for extended durability.
🔹 Lubricated with grease or oil to ensure quiet and smooth operation.
🔹 Excellent load-handling capacity in high-speed and vibration-prone environments.
🔹 Ideal for wheels, micro motors, micro-robots, CNC equipment, and other precision applications.
Maintenance Tips for Longevity
🔹 Clean the bearings regularly with a safe solvent to remove dirt and debris.
🔹 Reapply high-quality grease or lubricant after cleaning to ensure optimal performance.
🔹 Avoid exposure to water or excessively wet environments to prevent corrosion.
🔹 Use proper tools when installing or removing the bearings to prevent damage.
🔹 Store in a dry and cool place to extend the service life of your bearings.
Order Now – Get Your High Quality Ceramic Ball Bearings For Wheels 3x7x3mm Size Today!
Upgrade your wheels, micro motors, or CNC equipment with High Quality Ceramic Ball Bearings For Wheels 3x7x3mm Size and experience precise, smooth, and long-lasting operation. These ceramic bearings are engineered for professionals and hobbyists alike, delivering unmatched efficiency, ultra-low noise, and superior reliability from the first rotation. Don’t wait—ensure your equipment operates at peak performance with the most durable miniature bearings available.








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