The 9382/9320D double-row tapered roller bearing is designed for high-load industrial and automotive applications where rigidity and service life are critical. Its TDO structure allows it to carry substantial radial loads and bidirectional axial loads, making it suited to demanding transmission and wheel-end systems.
Core specifications and structural features
The 9382/9320D uses a TDO, or tapered double outer, configuration. The design supports high rigidity and combined load capacity, with particular relevance for industrial drive systems that require stable operation under heavy loads. The bearing is made from Gcr15 chromium steel, a material selected for wear resistance and fatigue life.
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Parameter
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Specification
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Model
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9382/9320D
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Structure type
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TDO double-row tapered roller
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Dimensions (d*D*b)
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69.91*177.8*109.54 mm
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Weight
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12.79 kg
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Material
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Gcr15 chromium steel
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Precision grade
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ABEC-3 / ABEC-5
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The combination of a double-row tapered roller layout and high-grade steel allows the bearing to maintain performance in applications where shock loads and continuous operation can accelerate wear.
Industrial application scenarios
The bearing’s load capacity and structural stability make it suitable for heavy-duty environments in steel production and commercial vehicle systems.
Steel mill equipment
In rolling mills and other high-impact, heavy-load equipment, the 9382/9320D can provide stable support and help reduce the frequency of maintenance downtime. Its bidirectional axial load capacity is relevant to systems that experience combined loading during continuous production.
Automotive industry
The model is also applicable to hubs and drivetrain systems in large commercial vehicles and special-purpose vehicles. These applications require long-cycle, high-intensity operation, where bearing reliability affects vehicle availability and maintenance planning.
Production and quality control
Bearing performance depends not only on design but also on manufacturing discipline. Production of the 9382/9320D series relies on automated equipment and controlled processes intended to meet ABEC-3 and ABEC-5 precision requirements.
Quality control covers the full production chain, from incoming raw material inspection to final product testing. Each unit is checked by engineering teams to support consistent performance in high-load service conditions.
Frequently Asked Questions
What are the key installation precautions for the 9382/9320D bearing?
Installation should ensure that the housing bore and shaft journal fit tolerances meet design requirements, avoiding excessive interference that could eliminate internal clearance. Professional heating or press-fitting tools should be used, and direct hammering on bearing rings should be avoided to prevent raceway damage.
Does the bearing support non-standard customization?
Yes. Non-standard production can be carried out according to customer drawings. The process includes engineering evaluation, in-house test reports, and strict quality acceptance procedures.
How can suitability for a specific high-load application be determined?
Assessment should consider rated dynamic and static load parameters, operating temperature range, and lubrication conditions. Selection should also take into account the actual load spectrum, rotational speed, and ABEC precision grade; a detailed load calculation may be required for complex operating conditions.
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