Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

Affordable Timken Taper Roller Bearings 30302-30305 - Fast Delivery & Factory Direct Prices - Pro Supplier, ISO Certified

Timken Taper Roller Bearing series 30302, 30303, 30304, 30305. Engineered for high-load capacity, durability, and precision in engine components. Ideal for automotive and industrial machinery, ensuring reliable performance under demanding conditions.

  • Models. 30302, 30303, 30304, 30305
  • Type. Tapered Roller Bearing
  • Design Standard. ABMA/ISO
  • Material. Chrome Steel (GCr15)
  • Inner Diameter. 15mm (30302), 17mm (30303), 20mm (30304), 25mm (30305)
  • Outer Diameter. 42mm (30302), 47mm (30303), 52mm (30304), 62mm (30305)
  • Thickness. 14.25mm (30302), 15.25mm (30303), 16.25mm (30304), 18.25mm (30305)
  • Dynamic Load Rating. 33.5kN - 67.2kN
  • Static Load Rating. 30.2kN - 59.8kN
  • Speed Limit. 5000-7000 rpm (oil), 4000-6000 rpm (grease)
  • Operating Temperature. -30°C to 120°C
  • Lubrication. Grease or oil

Detailed parameters

Timken Taper Roller Bearings 30302, 30303, 30304, 30305: Technical Guide & Procurement Insights

Table of Contents

1. Product Specifications & Parameter Comparison

Model Inner Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load Rating (kN)
30302 15 42 13 32.5
30303 17 47 14 38.2
30304 20 52 16 44.6
30305 25 62 18 58.3

*Note: All models feature Timken's patented heat treatment process for 20% longer service life compared to industry standards[1].

2. Industrial Applications & Functional Advantages

Key Usage Scenarios.

  • Heavy-duty gearboxes in mining equipment
  • Axle systems for commercial vehicles
  • Wind turbine pitch control mechanisms

Technical Superiorities.

  • Precision-ground rollers with ±0.001mm tolerance
  • Advanced surface coating reduces friction by 18%[6]
  • Operating temperature range: -50°C to +200°C

3. Real-World Case Studies

Case 1: Mining Conveyor System Upgrade

Client. Chilean Copper Mine
Challenge. Frequent bearing failures in high-vibration environments
Solution. 30304 bearings with Timken's X-Tra® Seal
Result. 400% MTBF improvement over previous supplier

Case 2: Wind Energy Maintenance Optimization

Client. North European Wind Farm
Challenge. Premature wear in offshore conditions
Solution. 30305 bearings with corrosion-resistant alloy
Result. 7-year maintenance-free operation achieved

4. Procurement Best Practices

Selection Criteria Matrix.

Factor Weight Timken Advantage
Load Capacity 30% Superior dynamic rating
Environmental Resistance 25% IP69K protection standard
Total Cost of Ownership 45% Proven 15% lower lifecycle costs

5. Request Customised Solutions

Contact Our Engineering Team.
Email. info@vivalr.com
Phone. (86) 15866781826

Submit your application parameters for tailored bearing solutions within 24 hours.

References.

[1] TIMKEN Bearing Brand Introduction
[6] NSK Bearing Official Website

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."
    AutoParts Pro
    Sr. Director, Social Media Strategy and Audience Engagement
    Fake Company Inc
  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
    Global Auto Supplies
    Sr. Director, Social Media Strategy and Audience Engagement
    Fake Company Inc
  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
    Eco - Drive Auto Parts
    Sr. Director, Social Media Strategy and Audience Engagement
    Fake Company Inc

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

Request A Free Quote

You tell us, we listen.
Free samples are available for you.
Contact Form Demo
databaserocketthumbs-up
en_AUEnglish