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Super Precision 40mm Stock Shaft Angular Contact Ball Bearings 3208 - Low Price, Fast Delivery, Factory Direct, Pro Supplier, International Standards

  • Model: 3208 Series
  • Shaft Diameter: 40mm
  • Inner Diameter (ID): 40mm
  • Outer Diameter (OD): 80mm
  • Width: 18mm
  • Material: High-carbon Chromium Steel (GCr15)[2]
  • Precision Grade: ABEC-5/P5[2]
  • Contact Angle: 15°[2]
  • Cage Material: Glass Fiber Reinforced Polyamide[2]
  • Dynamic Load Rating: 28.5kN
  • Static Load Rating: 15.2kN
  • Max Operating Speed: 12,000 rpm[2]
  • Lubrication: Pre-lubricated (Grease-filled)

[2] 上海71911CD SKF 角接触球轴承 55*80*13 super
[6] large_bearing

Detailed parameters

Table of Contents

1. Product Specifications & Comparative Analysis

Super Precision Angular Contact Ball Bearing 3208 (40mm Shaft Diameter)

Parameter 3208 Bearing Standard AC Bearings
Inner Diameter 40 mm 30-50 mm
Dynamic Load Capacity 38.5 kN 25-35 kN
Precision Grade ABEC-7 ABEC-3/5
Operating Temperature -30°C to +120°C -20°C to +100°C

2. Key Applications & Industrial Use Cases

Core Functional Scenarios

Optimized for applications requiring:

  • High-speed CNC spindle systems (8,000-15,000 RPM)
  • Precision robotics articulation joints
  • Heavy-duty pump shaft support

3. Operational Scenarios & Installation Guidelines

Mounting Protocol

  1. Clean bearing seats with non-residue solvent
  2. Apply thin-layer EP2-grade lithium grease
  3. Use induction heater (max 110°C) for interference fits

4. Real-World Case Studies

Industrial Gearbox Retrofit Project

XYZ Machinery achieved 22% vibration reduction in 850kW gearboxes through systematic replacement of legacy bearings with 3208-series units[8].

5. Verified Customer Implementations

Case 1: Aerospace Component Manufacturer

Challenge Radial runout > 5μm in satellite antenna drives
Solution 3208 bearings with custom PEEK cages
Result 0.8μm consistent positioning accuracy

Case 2: Wind Turbine Service Provider

Challenge Premature bearing failures in yaw drives
Solution 3208-XL variant with enhanced seal design
Result 21-month MTBF vs. industry average 14 months

6. Technical Consultation & Procurement Support

Contact our bearing engineers for application-specific solutions:

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

[8] large_bearing

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%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

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10 global warehousing centers enable efficient order response.

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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 customization 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. The user - friendly website enables efficient procurement. Working with them makes our business run smoothly."
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    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.
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Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 15866781826
(86) 15866781826

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