China N219em Nj219em NF219em Nu219em Nup219em Cylindrical Roller Bearing

Product Specifications

Application Suitability

Need Reliable Cylindrical Roller Bearings? Avoid Common Sourcing Headaches

Procuring the right bearings can be frustrating—mismatched dimensions leading to installation delays, inconsistent quality causing premature failures, and juggling multiple suppliers for different brands. We’ve seen these issues slow down production lines and increase maintenance costs for years.

Engineered for Consistent Performance Across Applications

Our China N219em series cylindrical roller bearings solve these challenges with ISO 9001-certified manufacturing and a comprehensive range that includes models like 6204-Z, 6204-ZNR, and 62204-2RS1. With rich stock availability and compatibility across industrial machinery, automotive systems, and automation equipment, we provide a single source for both standard and hard-to-find bearing types.

Optimal Performance in Demanding Conditions

These cylindrical roller bearings excel in high-load, moderate-speed applications where radial alignment and durability are critical. Whether operating in dusty factory environments or precision hydraulic systems, their Z1V1 to Z3V3 vibration grades ensure smooth operation, while versatile lubrication options (grease or oil) adapt to specific working conditions. The 20*47*14mm specification fits common industrial shafts, making them ideal for retrofitting or new equipment builds.

Key Engineering Features That Impact Reliability

The 6204-Z and 62204-2RS1 models offer distinct advantages for different use cases. The 6204-Z’s single metal shield protects against contaminants while allowing for higher speeds, suitable for electric motors. In contrast, the 62204-2RS1’s double rubber seals provide superior grease retention, ideal for wet or dirty environments like conveyor systems. Both feature high-grade grease technology that extends maintenance intervals, reducing downtime. The precision 20mm bore and 47mm outer diameter ensure interchangeability with major international standards, simplifying replacement.

Why Bearing Quality Directly Affects Your Bottom Line

Choosing substandard cylindrical roller bearings may save upfront costs but leads to frequent replacements, unplanned停机, and potential damage to adjacent components. Our bearings undergo rigorous dimension, hardness, and surface finish testing to meet OEM requirements, directly reducing total cost of ownership. For example, in a typical conveyor system, a quality bearing with proper lubrication can outlast a low-grade alternative by 300%, lowering long-term maintenance expenses.

Quality You Can Verify

Packaging & Shipping

• Packaged in sturdy cartons with optional palletizing for bulk orders
• Available from rich stock for immediate dispatch
• Flexible shipping via Express (DHL, FedEx), road, train, air, or sea
• Low minimum order quantity supported, from sample testing to full production runs

Get a Custom Quote for Your Bearing Requirements

Whether you need the N219em series cylindrical roller bearings or other types, provide your model number, dimensions, and quantity, and we’ll respond within 0.5 hours with pricing and availability. With our extensive inventory and OEM/ODM capabilities, we can fulfill both standard and custom bearing needs efficiently.

Frequently Asked Questions