Affordable & Fast Delivery: Factory Direct 30203-30209 Tapered Roller Bearings - ISO Certified Supplier
Affordable & Fast Delivery: Factory Direct 30203-30209 Tapered Roller Bearings - ISO Certified Supplier - Image 2
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Estimated delivery time: 3-5 days

Affordable & Fast Delivery: Factory Direct 30203-30209 Tapered Roller Bearings - ISO Certified Supplier

  • Models. 30203, 30204, 30205, 30206, 30207, 30208, 30209
  • Bore Diameter. 17mm - 45mm
  • Outer Diameter. 40mm - 85mm
  • Width. 13.5mm - 20.75mm
  • Dynamic Load. 36.5kN - 96.5kN
  • Static Load. 30.5kN - 90.5kN
  • Max Speed. 7000-10000 rpm
  • Material. Chrome Steel (GCr15)
  • Weight. 0.25kg - 0.75kg

Detailed parameters

Cost-Effective and High-Quality Tapered Roller Bearings 30203-30209: Comprehensive Guide

Table of Contents

Product Overview & Specifications

Key Parameters of Tapered Roller Bearings 30203-30209

Model Inner Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load (kN) Static Load (kN) Max Speed (rpm)
30203 17 40 13.25 30.5 37.5 6,800
30204 20 47 15.25 38.2 49.0 6,000
30205 25 52 16.25 43.6 56.8 5,300
30206 30 62 17.25 53.0 67.5 4,500
30207 35 72 18.25 61.2 78.4 4,000
30208 40 80 19.75 71.5 93.0 3,600
30209 45 85 20.75 80.3 105.0 3,200

Key Applications & Industries

Industrial Use Cases

  • Automotive Transmissions. 30205/30206 bearings handle axial/radial loads in gearbox systems.
  • Mining Equipment. 30207/30208 models support heavy radial loads in conveyor pulleys.
  • Wind Turbines. 30209 bearings endure variable loads in yaw/pitch control systems.
  • Agricultural Machinery.
  • Agricultural Machinery. 30203/30204 series optimise performance in harvesters under dusty conditions.
  • Construction Vehicles. All models provide shock resistance in wheel loaders and excavators.

Technical Usage Scenarios

Implementation Best Practices

  • Precision Alignment. Use laser alignment tools for 30207-30209 installations in turbine systems.
  • Lubrication Protocols. Mobilith SHC 100 grease recommended for 30205 bearings in high-temperature environments.
  • Load Monitoring. Install vibration sensors on 30208 bearings in crusher applications.
  • Sealing Solutions. Triple-lip seals for 30203 bearings in agricultural applications.

Client Success Stories

Case Study 1: Zhejiang Heavy Machinery Co.

  • Challenge. Frequent bearing failures in mining conveyors (8-week replacement cycles)
  • Solution. Upgraded to 30207 bearings with customised heat treatment
  • Result. 320% lifespan increase, maintenance costs reduced by $12,000/month

Case Study 2: Guangdong Wind Power Ltd.

  • Challenge. Premature wear in 1.5MW turbine gearboxes
  • Solution. Implemented 30209 bearings with ISO Class 5 precision grinding
  • Result. Gearbox Mean Time Between Failures (MTBF) increased from 14 to 27 months

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Email. info@vivalr.com
Phone. (86) 15866781826

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- Custom material specifications
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- Emergency replacement orders
- OEM partnership programmes

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.

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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.

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99% automated production ensures on-time order completion.

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10 global warehousing centres enable efficient order response.

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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
(86) 15866781826
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