Product Specifications
| Parameter |
Details |
| Model NO. |
NU318EM |
| Product Name |
Cylindrical Roller Bearing |
| Material |
Bearing Steel |
| Structure |
Cylindrical |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Number of Row |
Single Row |
| Specification |
90*190*43mm |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Printing Machines |
| Automotive |
Transmission Systems, Electric Motors |
| Agricultural Equipment |
Tractors, Harvesters |
| New Energy |
Wind Turbines, Solar Equipment |
Reduce Downtime with Precision Cylindrical Roller Bearings NU318EM, NU319EM, NU320EM for Industrial Machinery
Industrial operations face critical challenges when bearings fail prematurely—machine downtime, production losses, and unexpected maintenance costs. Many buyers struggle with unreliable suppliers offering inconsistent quality or MOQs that force overstocking. When sourcing cylindrical roller bearings for heavy-duty machinery, the risk of mismatched precision or substandard materials directly impacts equipment performance and lifespan.
Engineered for Reliable Performance in Industrial Machinery
Our Cylindrical Roller Bearing NU318EM series addresses these pain points with decades of manufacturing expertise. As a professional integrated bearing supplier, we deliver P0-P4 precision grade bearings designed for industrial machinery, ensuring stable operation even under radial loads. With separated inner and outer rings, these bearings simplify installation and maintenance—critical for gearboxes, reducers, and printing machines where downtime is costly.
Optimized for Heavy-Duty Industrial Conditions
Cylindrical roller bearings like NU318EM, NU319EM, and NU320EM excel in applications requiring high radial load capacity and precise alignment. Ideal for machine tools, electric motors, and agricultural equipment, they operate efficiently in diverse conditions, from high-speed rotation to heavy-duty shock loads. The open design allows for flexible lubrication options, adapting to both oil and grease systems, while the single-row structure balances durability with compact installation—essential for space-constrained industrial setups.
Technical Specifications That Drive Machine Performance
Precision rating directly impacts machinery accuracy: P4 grade bearings minimize vibration and noise, critical for CNC machines and precision tools, while P0 grade offers reliable performance for general industrial use. The 90*190*43mm specification of NU318EM provides optimal load distribution, with bearing steel construction ensuring resistance to wear and fatigue. Separated components allow for easy mounting and dismounting, reducing maintenance time and labor costs. These technical details translate to longer bearing life, fewer replacements, and consistent machine output.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing low-quality cylindrical roller bearings may seem cost-effective initially, but hidden expenses add up: frequent replacements, unplanned downtime, and potential damage to connected components. Our bearings meet ISO international standards, with strict incoming material inspection and full-process production supervision. Unlike counterfeit products, each unit undergoes dimensional detection and performance testing, ensuring compliance with P0-P4 precision requirements. Investing in genuine, high-precision bearings reduces total cost of ownership by extending service life and minimizing maintenance needs.
Our Commitment to Reliable Bearing Supply
With over 18 years of industry experience, we serve global markets across Europe, North America, and Southeast Asia, supporting OEM/ODM customization for brand owners and industrial buyers. Our ISO 9001:2015 certified quality management system ensures consistent production standards, from raw material selection to finished product inspection. We offer flexible order policies—1 piece MOQ for standard bearings and 3-5 working days for sample delivery—meeting both emergency maintenance and bulk production needs. Our technical team provides free guidance on selection and installation, ensuring optimal bearing performance for your specific application.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options available to meet global delivery requirements
- 1 piece MOQ for standard bearings, supporting small-batch and emergency purchases
Get the Right Bearing for Your Industrial Machinery Today
Don’t let bearing issues disrupt your production. Whether you need NU318EM, NU319EM, or NU320EM cylindrical roller bearings, we provide the precision and reliability your machinery demands. Send us your requirements, and our team will help you select the optimal bearing grade and configuration for your application.
Frequently Asked Questions
Q: Are these cylindrical roller bearings genuine and traceable?
A: Yes, we ensure all products meet strict quality standards with full-process production supervision and compliance with ISO industrial standards. Each bearing can be traced through our quality control system.
Q: How do I confirm if the NU318EM bearing fits my equipment?
A: Provide your equipment model, operating conditions, and required load capacity. Our professional technical team offers free selection guidance to ensure compatibility.
Q: What is the warranty policy for these bearings?
A: We offer a 12-month warranty from the date of delivery. Qualified defective products are eligible for free replacement or refund.
Q: What is the minimum order quantity for standard bearings?
A: We accept 1 piece MOQ for standard bearings, supporting both small-batch purchases and emergency maintenance needs.
Q: How quickly can I receive my order?
A: Sample orders are shipped within 3-5 working days, and bulk orders take 5-15 working days, depending on quantity and customization requirements.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
