NTN Koyo Timken NF220em NF221em NF222em Cylindrical Roller Bearing

Product Specifications

Application Suitability

Need Reliable Cylindrical Roller Bearings? Avoid Common Sourcing Headaches

Choosing the right cylindrical roller bearing can be frustrating—with dozens of brands, unclear compatibility, and varying quality standards. Many buyers struggle with bearings that fail prematurely due to poor material hardness or imprecise dimensions, leading to unexpected downtime and costly replacements.

NTN Koyo Timken NF220em Series: Built for Demanding Industrial Use

Our cylindrical roller bearings, including models NF220em, NF221em, and NF222em, address these challenges through ISO 9001-certified manufacturing processes and strict quality control. With a double-row design and radial load capacity, they excel in high-stress applications like construction machinery hydraulic systems and steel mill conveyors. Our extensive inventory ensures you get the exact bearing you need without long lead times.

Optimal Performance in Heavy-Duty Conditions

This cylindrical roller bearing operates effectively under radial loads in environments with moderate misalignment, thanks to its aligning capability. The 60° contact angle enhances load distribution, making it suitable for rotational speeds common in automation equipment and material handling systems. Whether in dusty construction sites or controlled factory settings, the bearing steel construction provides durability against wear and impact.

Key Engineering Features for Longevity

The precision rating options (from P0 to P2) allow selection based on application accuracy requirements—critical for machinery where dimensional consistency affects performance. Clearance grades C0, C3, and C4 accommodate thermal expansion in varying operating temperatures, preventing premature failure. Steel or brass cages offer flexibility: steel for cost-effectiveness in standard applications, brass for higher temperature resistance and reduced friction in high-speed operations. The unseparated design simplifies installation and maintenance, reducing assembly time.

Why Quality Bearings Lower Total Cost

Investing in properly specified cylindrical roller bearings reduces long-term expenses. Inferior bearings with substandard material hardness often develop early wear, causing vibrations, noise, and eventual equipment failure. This leads to unplanned maintenance, replacement parts, and production losses. Our bearings, tested for dimensional accuracy and surface hardness, meet international standards, ensuring reliable performance and minimizing downtime. By choosing the right precision class and clearance, you optimize bearing life and reduce overall operational costs.

Quality You Can Rely On

Packaging & Shipping

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

Get Your Cylindrical Roller Bearing Quote Today

Whether you need the NF220em, NF221em, NF222em, or another cylindrical roller bearing model, provide us with your required specifications, quantity, and delivery location. Our team will promptly confirm availability and pricing, helping you secure the right bearings for your application without delay.

Frequently Asked Questions