NTN Koyo Timken NF217em NF218em NF219em Cylindrical Roller Bearing

Product Specifications

Application Suitability

Finding Reliable Cylindrical Roller Bearings? Here’s What to Consider

Selecting the right cylindrical roller bearing can be challenging with the variety of brands and specifications available. Many buyers face issues with early bearing failure due to poor material quality or incorrect precision ratings, leading to unexpected downtime and maintenance costs. Sourcing from multiple suppliers to compare options only adds complexity to the procurement process.

Engineered for Consistent Performance in Demanding Applications

The NTN Koyo Timken NF217em NF218em NF219em cylindrical roller bearing addresses these challenges with its robust design and adherence to international standards. Manufactured under ISO 9001 certified processes, this bearing ensures reliable operation in industrial machinery such as conveyor systems and gearboxes. With a comprehensive inventory that includes both our own BDL brand and major international brands, we provide a one-stop solution for all your bearing needs, eliminating the hassle of multiple supplier coordination.

Optimal Performance in Radial Load Applications

This cylindrical roller bearing is specifically designed to handle high radial loads, making it ideal for applications where the primary force is directed perpendicular to the shaft. Its double-row configuration enhances load-carrying capacity, while the 60° contact angle ensures stable performance even under moderate axial loads. The unseparated design simplifies installation and maintenance, particularly in automated production lines where downtime must be minimized.

Key Engineering Features for Longevity

The choice of bearing steel as the primary material ensures excellent hardness and wear resistance, critical for extending service life in heavy-duty operations. Available precision ratings from P0 to P2 allow customization based on application requirements—P2 grade for high-speed precision equipment and P0 for general industrial use. Clearance options (C0, C3, C4) accommodate thermal expansion in varying operating temperatures, preventing premature failure due to tight fits. The steel or brass cage options further tailor the bearing to specific speed and load conditions, with brass cages offering superior heat dissipation in high-temperature environments.

Total Cost of Ownership: Why Quality Matters

Investing in a high-quality cylindrical roller bearing reduces long-term costs by minimizing replacement frequency and downtime. Inferior bearings often fail early due to substandard materials, leading to expensive equipment repairs and production losses. This bearing’s strict manufacturing tolerances and material testing ensure consistent performance, aligning with ISO 281 standards for bearing life calculation. By choosing the right precision grade and clearance, you optimize performance while avoiding unnecessary expenses associated with over-specification or frequent replacements.

Quality Assurance You Can Trust

Packaging & Shipping

• Packaged in cartons with pallet options for bulk orders
• Deliver time of 10-15 days from order confirmation
• Flexible shipping via courier, air, or sea freight
• Low minimum order quantity supported for both small and large purchases

Get a Quote for Your Cylindrical Roller Bearing Needs

Whether you need the NF217em, NF218em, NF219em, or any other cylindrical roller bearing model, we can provide competitive pricing and timely delivery. Contact us with your specific model, dimensions, and quantity requirements, and our team will assist you in finding the right solution for your application.

Frequently Asked Questions