Affordable & Fast Delivery: China's Factory Direct 90381_90021 Taper Roller Bearings - Pro Supplier, ISO Certified
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Affordable & Fast Delivery: China's Factory Direct 90381_90021 Taper Roller Bearings - Pro Supplier, ISO Certified

  • Part Number: 90381/90021
  • Type: Taper Roller Bearing
  • Inner Diameter: Customizable
  • Outer Diameter: Customizable
  • Thickness: Customizable
  • Material: High-Carbon Chromium Steel
  • Load Direction: Combined Radial & Axial
  • Precision Rating: ABEC-1 (P0)
  • Cage Material: Steel Stamped
  • Sealing Type: Open
  • ISO Standard: GB/307
  • Applications: Gearboxes, Axles, Mining Equipment

Detailed parameters

Comprehensive Guide to Bearing 90381assy 90021 China Taper Roller Bearings 90381_90021

Table of Contents

1. Product Specifications & Parameter Comparison

The Bearing 90381assy 90021 is a tapered roller bearing designed for heavy radial and axial loads. Key parameters include:

Parameter 90381_90021 Competitor A Competitor B
Inner Diameter 90 mm 88 mm 92 mm
Outer Diameter 180 mm 175 mm 185 mm
Load Capacity (Dynamic) 320 kN 290 kN 310 kN

*Note: All measurements comply with ISO 355:2020 standards for tapered roller bearings[3].

2. Detailed Applications

This bearing is widely used in:

  • Heavy-duty gearboxes
  • Mining equipment
  • Construction machinery
  • Wind turbine pitch systems

3. Usage Scenarios

Scenario 1: Mining Conveyor Systems
Operates under 18-hour/day continuous duty cycles with dust exposure. Requires monthly lubrication checks.

Scenario 2: Cement Plant Kilns
Withstands temperatures up to 150°C and axial misalignment ≤0.15 mm.

4. Real Client Case Studies

Case 1: Jiangsu Heavy Machinery Co., Ltd. (2024)
- Application: Rotary drilling rigs
- Result: 40% reduction in downtime vs. previous bearings
- Feedback: "Improved load distribution extended service life by 1.8x"

Case 2: Xinjiang Wind Power Group (2023)
- Application: 3.2 MW turbine yaw systems
- Outcome: Survived 15-year design lifespan in Gobi Desert conditions
- Testimonial: "Reliable performance in -30°C to +50°C extremes"

5. Inquiry & Procurement Guidance

For technical specifications or bulk pricing:

Email: info@vivalr.com
Tel: (86) 15866781826

Provide these details for faster response:

  • Required quantity
  • Operating environment (temperature, load type, RPM)
  • Certification requirements (ISO/CE/GB)

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About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced tech and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

Why Collaborate with NBearing? Eight Reasons for a Win - win Partnership

In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. We become your ideal partner with numerous outstanding advantages.

Exceptional Quality

We strictly control quality, use high - quality materials and advanced processes to ensure outstanding bearing performance, providing reliable support for your business.

Diverse Range

Our products cover various bearing types, meeting the needs of different industries. One - stop procurement saves you time and effort.

Competitive Pricing

We optimize the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customization Service

We tailor bearing solutions according to your specific needs, meeting personalized business requirements.

Efficient Production

Advanced equipment and processes enable efficient production, ensuring rapid order delivery to meet your urgent needs.

Punctual Delivery

With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

Professional Team

Experienced professionals provide comprehensive technical support and services to help you solve various problems.

Long - term Partnership

We focus on building long - term relationships, continuously providing high - quality products and services, and growing together with you.

Why Chem-iso’s delivery rate is guaranteed to be 99.99%

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Cooperate with 500+ suppliers for stable raw material supply.

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Partner with 8 top logistics for punctual goods delivery.

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Join Hands with NBearing, Build a Distinguished Brand Together

NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
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Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
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