NTN 6202 6203 6204zz Deep Groove Ball Bearing OEM ODM

Product Specifications

Application Suitability

Need Reliable Cylindrical Roller Bearings? Here’s What Solves Your Sourcing Headaches

Searching for the right bearing model across multiple brands wastes time, and using low-quality alternatives leads to frequent equipment breakdowns. Many buyers struggle with mismatched dimensions or limited supplier options, especially when dealing with both international and domestic standards. As a professional in the bearing industry, we understand these frustrations firsthand.

All-Brand Access Meets ISO-Certified Quality

This cylindrical roller bearing addresses common sourcing challenges with our comprehensive product range and strict quality control. As a supplier covering deep groove ball bearings, roller bearings, and more, we support OEM/ODM requirements and stock major international brands like NTN alongside domestic options. The Nj311e model, with its 55*120*29 mm specification, fits seamlessly into industrial applications where radial load capacity and precision matter most.

Engineered for Heavy-Duty Radial Load Applications

Designed as a radial bearing, this single-row cylindrical roller bearing excels in high-load scenarios typical in steel mills, mining equipment, and construction machinery. Its separated structure allows for easy installation and maintenance, while the open seal design accommodates various lubrication methods—oil, grease, or dry running depending on your operating conditions. The non-aligning feature ensures stable performance in systems with minimal shaft misalignment.

Key Specifications That Impact Performance

The bearing steel construction provides the hardness needed to withstand continuous heavy loads, with precision ratings from P0 to P2 available to match your application’s accuracy requirements. At 55mm inner diameter, 120mm outer diameter, and 29mm width, it follows standard dimensional protocols compatible with major international systems. The single-row design balances load capacity with compactness, making it ideal for gearboxes and industrial transmissions where space is constrained.

Why Proper Bearing Selection Lowers Total Costs

Choosing the right cylindrical roller bearing directly affects your equipment’s uptime and maintenance expenses. Inferior bearings with substandard material hardness or imprecise dimensions cause premature wear, leading to unplanned downtime and costly repairs. This bearing, manufactured under ISO 9001 standards, undergoes rigorous testing for dimensional accuracy and surface quality, ensuring longer service life and reducing replacement frequency—ultimately lowering your total cost of ownership.

Quality You Can Rely On

Packaging & Shipping

• Packaged in cartons with pallet options for bulk orders
• 现货 available for immediate dispatch
• Shipping via express, air, or sea freight based on your location and urgency
• Low minimum order quantity supported, ideal for both small repairs and large-scale projects

Get Your Cylindrical Roller Bearing Quote Today

Whether you need the Nj311e model or other cylindrical roller bearings, provide us with your required model number, dimensions, and quantity. Our team will promptly confirm availability and pricing. With access to full brand ranges and custom solutions, we simplify your bearing procurement process—start your inquiry now to secure timely delivery.

Frequently Asked Questions