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Affordable Quick Delivery: Factory Direct 30203-30222 Tapered Roller Bearings - Pro Supplier, Int'l Standards

Premium tapered roller bearings designed for radial and axial load handling in heavy-duty machinery. Ideal for automotive, construction, and Ideal for automotive, construction, and industrial equipment.

  • Models. 30203 | 30208 | 30211 | 30222 | 190003326067
  • Dimensions.
    30203 (17 x 40 x 13.25 mm) |
    30208 (40 x 80 x 19.75mm) |
    30211 (55 x 100 x 22.75mm) |
    30222 (110×200×53.25mm)
  • Dynamic Load. 30.5kN - 220kN
  • Static Load. 26.5kN - 195kN
  • Speed Limit. 6000-9000 rpm
  • Material. Chrome steel (GCr15) with hardened raceways

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Detailed parameters

Table of Contents

Tapered Roller Bearing Series: 30203, 30208, 30211, 30222, 190003326067

Technical Specifications & Comparative Analysis

Model Inner Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load (kN) Static Load (kN)
30203 17 40 13.25 30.5 30.0
30208 40 80 19.75 63.0 63.0
30211 55 100 22.75 96.0 95.0
30222 110 200 53.25 245.0 255.0
190003326067 Custom Custom Custom Custom Custom

Key Differentiation. The 302xx series offers standardised radial/axial load capacities, while 190003326067 supports OEM-specific configurations for extreme environments.

Industrial Applications of Tapered Roller Bearings

Critical Use Cases Across Industries

  • Automotive. Wheel hubs (30208), transmissions (30211)
  • Heavy Machinery. Mining conveyors (30222), crushers
  • Renewable Energy. Wind turbine gearboxes (190003326067)
  • Rail Transport. Axle boxes (30211/30222)

Procurement Decision Framework

Five-Point Evaluation Criteria

  1. Load Analysis. Calculate combined radial/axial forces
  2. Speed Ratings. Match RPM limits to operational needs
  3. Environmental Factors. Consider temperature (-30°C to 120°C standard)
  4. Lubrication Compatibility. Grease vs oil-sealed designs
  5. Certifications. ISO 9001, ABMA 19.1 compliance

Documented Client Implementations

Case 1: Steel Mill Conveyor Retrofit

Client. Yangtze River Heavy Industries

Challenge. Frequent bearing failures in 24/7 slab transfer line

Solution. Upgraded to 30222 bearings with graphite-rich lubricant

Result. 83% reduction in downtime; 14-month service life achieved

Case 2: Electric Vehicle Drivetrain Optimization

Client. Shenzhen E-Power Motors

Challenge. Noise reduction in high-torque EV differentials

Solution. Custom-ground 30208 units with tapered roller bearings

Result. 5dB noise reduction meeting Tier 1 OEM standards

Request Technical Consultation

Global Procurement Support

Email. info@vivalr.com
Phone. (86) 158 6678 1826

Engineering Support. Provide CAD models, load diagrams, and environmental specs for precision bearing selection.

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology 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 optimise the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customisation Service

We tailor bearing solutions according to your specific needs, meeting personalised 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%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

10+

10 global warehousing centres enable efficient order response.

8+

Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

OxyNinja makes you & your clients happy.
  • "Collaborating with Truksino is excellent! Their product range is extensive and of top - notch quality. The customisation service meets diverse needs. The customisation service meets diverse needs. Fast delivery, almost no delays, greatly enhances our competitiveness. Professional technical support makes cooperation smooth. They're a reliable partner."
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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
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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.
Learn more
Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
(86) 15866781826

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