Tapered Roller Bearings supplied by Wonzh are precision-engineered rolling bearings designed to carry both radial and axial loads in one direction. Due to their tapered geometry, these bearings provide excellent load-carrying capacity, high stiffness, and superior durability under heavy-duty operating conditions.
Manufactured from high-quality bearing steel such as GCr15 (AISI 52100 equivalent) and processed through advanced heat treatment and precision grinding, Wonzh tapered roller bearings deliver consistent dimensional accuracy, reliable performance, and extended service life. They are widely used in automotive axles, gearboxes, construction machinery, mining equipment, industrial transmissions, and heavy rotating machinery.
As an experienced industrial components supplier, Wonzh offers both standard and customized tapered roller bearings. Our engineering team supports customers in selecting appropriate sizes, clearances, materials, and configurations to optimize performance in real-world applications.
Key Features
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Excellent radial and axial load capacity
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High rigidity and structural stability
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Strong resistance to shock and impact loads
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Suitable for heavy-duty and high-torque applications
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Long service life with proper lubrication
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Custom sizes and materials available
Typical Applications
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Automotive axles and wheel hubs
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Gearboxes and reducers
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Mining and construction machinery
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Industrial transmissions
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Heavy equipment and power generation systems
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Steel mills and material handling equipment
Technical Parameters (Representative Range)
| Parameter | Specification / Range |
|---|---|
| Bearing Type | Tapered Roller Bearing |
| Material | GCr15 (AISI 52100 equivalent) or special alloy steel |
| Bore Size (ID) | 20 mm – 300 mm |
| Outer Diameter (OD) | 47 mm – 600 mm |
| Load Type | Radial + Axial (one direction) |
| Speed Capability | Medium speed (load dependent) |
| Operating Temperature | -20°C to +120°C |
| Clearance | Customizable based on application |
| Configuration | Single-row, paired, or double-row available |
| Lubrication | Grease or oil |
Representative Model Examples
(For reference only — full catalog available upon request.)
| Series | Example Models | Typical Use |
|---|---|---|
| 302 Series | 30205, 30206, 30208 | Light to medium machinery |
| 303 Series | 30306, 30308 | Industrial transmissions |
| 322 Series | 32208, 32210 | Heavy-duty gearboxes |
| 323 Series | 32308, 32310 | Mining and steel equipment |
| 329 Series | 32908, 32910 | High-load applications |
Note: Additional sizes, materials, and paired configurations 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 machining and stable batch consistency
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Engineering support for load and application matching
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Custom designs available for special operating conditions
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Reliable supply chain and global delivery capability
Frequently Asked Questions (FAQ)
Q1: What is a tapered roller bearing used for?
Tapered roller bearings are commonly used in automotive axles, gearboxes, mining machinery, and heavy industrial equipment where combined radial and axial loads are present.
Q2: Can tapered roller bearings handle heavy loads?
Yes. Due to their tapered design and large contact area, they are especially suitable for high-load and high-impact applications.
Q3: Are paired bearings available?
Yes. We can supply single-row, back-to-back, face-to-face, or tandem paired tapered roller bearings based on application needs.
Q4: What materials are available?
Standard material is GCr15 (AISI 52100 equivalent). Special alloy steels and stainless options can be provided upon request.
Q5: Do you support customization?
Yes. Wonzh supports custom sizes, materials, clearances, and configurations to meet specific performance requirements.











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