Deep Groove Ball Bearings supplied by Wonzh are precision-engineered radial bearings designed to support both radial and moderate axial loads in high-speed and heavy-duty industrial applications. Manufactured under strict ISO-based quality control processes, these bearings deliver stable rotation, low friction, and excellent durability in demanding operating environments.
Through optimized heat treatment, precision grinding, and high-grade bearing steels such as GCr15 (AISI 52100 equivalent), Wonzh deep groove ball bearings achieve consistent dimensional accuracy, smooth operation, and extended service life. They are widely used in electric motors, pumps, gearboxes, compressors, conveyor systems, and general industrial machinery.
As an experienced industrial components supplier, Wonzh provides both standard bearings and customized solutions to meet specific load, speed, temperature, and environmental requirements. Our engineering team supports material selection, sealing options, and performance optimization based on real application conditions.
Key Features
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High rotational accuracy and stability
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Low friction and reduced energy loss
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Strong resistance to wear and fatigue
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Suitable for medium to high-speed applications
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Multiple sealing and shielding options
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Custom materials and clearance available
Typical Applications
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Electric motors
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Pumps and compressors
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Industrial gearboxes
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Mining and construction equipment
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Conveyor and automation systems
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Heavy machinery and power transmission
Technical Parameters (Representative Range)
| Parameter | Specification / Range |
|---|---|
| Bearing Type | Deep Groove Ball Bearing |
| Material | GCr15 (AISI 52100 equivalent) or stainless steel |
| Bore Size (ID) | 10 mm – 200 mm |
| Outer Diameter (OD) | 26 mm – 360 mm |
| Load Type | Radial + Moderate Axial |
| Speed Capability | Medium to High Speed |
| Operating Temperature | -20°C to +120°C |
| Internal Clearance | C2 / C3 / C4 (customizable) |
| Sealing Options | Open / ZZ (metal shield) / 2RS (rubber seal) |
| Lubrication | Grease or oil |
Representative Model Examples
(For reference only — full catalog available upon request.)
| Series | Example Models | Typical Use |
|---|---|---|
| 6000 Series | 6205, 6206, 6208 | Motors, pumps |
| 6300 Series | 6306, 6308, 6310 | Heavy machinery |
| 6400 Series | 6405, 6406 | High-speed equipment |
| 6800 Series | 6804, 6806 | Compact applications |
| 6900 Series | 6905, 6906 | Light machinery |
Note: Additional sizes, materials, and customized specifications are available upon request.
Why Choose Wonzh
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Strict quality control from raw material to final inspection
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Precision manufacturing and stable batch consistency
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Engineering support for application matching
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Custom design and special specifications available
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Reliable supply chain and global delivery capability
Frequently Asked Questions (FAQ)
Q1: What is a deep groove ball bearing used for?
Deep groove ball bearings are widely used in electric motors, pumps, gearboxes, conveyors, compressors, and general industrial machinery because they can handle both radial and moderate axial loads at high speeds.
Q2: What materials are available?
Standard material is high-quality bearing steel (GCr15 / AISI 52100 equivalent). Stainless steel and special alloy options are also available upon request.
Q3: What sealing options do you offer?
We offer open bearings, metal-shielded (ZZ), and rubber-sealed (2RS) versions to suit different operating environments.
Q4: Can you provide customized bearings?
Yes. Wonzh supports custom bore sizes, internal clearances (C2/C3/C4), special coatings, and material modifications based on application requirements.
Q5: Are these suitable for high-speed applications?
Yes. When properly lubricated, deep groove ball bearings are among the best choices for medium to high-speed industrial applications.











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