Timken NACHI NSK NJ220em NJ221em NJ222em Cylindrical Roller Bearing

Product Specifications

Application Suitability

Need Reliable Cylindrical Roller Bearings? Avoid These Common Pitfalls

Finding the right cylindrical roller bearings for your machinery can be challenging. Many buyers struggle with mismatched dimensions leading to installation delays, or inferior quality bearings that fail prematurely under heavy loads. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.

Designed for Consistent Performance in Demanding Conditions

Our NJ220em, NJ221em, and NJ222em cylindrical roller bearings address these issues with precision-engineered specifications and versatile compatibility. As a professional bearing supplier, we maintain ISO 9001 certified production processes and stock a comprehensive range of models, including options matching international standards from brands like Timken, NACHI, and NSK. Whether for industrial gearboxes or automotive transmissions, these bearings deliver reliable radial load support where it matters most.

Optimal Performance in High-Load, High-Speed Applications

These cylindrical roller bearings excel in applications requiring high radial load capacity and moderate speeds. With precision ratings from P0 to P2, they accommodate tight tolerance requirements in machinery like steel rolling mills and conveyor systems. The Z1V1 to Z3V3 vibration classes ensure smooth operation, critical for reducing noise and extending equipment lifespan in continuous-duty environments.

Key Engineering Features That Impact Reliability

The 9*20*6 mm specification provides a balanced footprint for compact installations without sacrificing load capacity. Precision ground raceways and rollers minimize friction, directly enhancing efficiency and reducing heat generation during operation. Available with both grease and oil lubrication options, these bearings adapt to diverse operating conditions—from sealed gearboxes to open industrial environments. The P2 precision class option meets the strictest dimensional requirements, ensuring interchangeability with original equipment components.

Why Choosing the Right Bearing Lowers Total Cost

Selecting substandard cylindrical roller bearings may seem cost-effective initially, but frequent replacements and unplanned downtime quickly erase those savings. Our bearings undergo rigorous material and dimensional testing, including hardness checks and surface finish inspections, to meet ISO standards. This attention to quality reduces the risk of early failure, protecting your machinery from costly secondary damage. By choosing bearings with appropriate precision and vibration ratings, you optimize performance while extending maintenance intervals.

Quality You Can Rely On

Packaging & Shipping

• Standard packaging includes carton boxes with protective internal padding; palletized options available for bulk orders
• Most models available from stock for immediate dispatch
• Flexible shipping options: express courier for urgent orders, air freight for medium volumes, and sea freight for cost-effective bulk shipments
• Low minimum order quantity supported, ideal for prototype development or emergency replacements

Get Your Cylindrical Roller Bearing Quote Today

Whether you need NJ220em, NJ221em, NJ222em, or other cylindrical roller bearing models, provide your required specifications and quantity, and we’ll deliver a competitive quote with lead time. Our team can also assist with cross-referencing international brand models to ensure compatibility with your equipment.

Frequently Asked Questions