Product Specifications
| Parameter |
Details |
| Model NO. |
NJ419EM, NU419EM, NJ420EM, NU420EM, NJ421EM, NU421EM |
| Outer Dimension |
35mm-400mm |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Lubricate |
Oil, Grease, Dry |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Number of Row |
Single Row |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Specification |
17*40*16 mm |
| Trademark |
NTN, NSK, NMB, Koyo, NACHI, Timken |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agriculture |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction |
Excavators, Heavy Load Machinery |
Reduce Downtime with High Precision Cylindrical Roller Bearing NJ419EM NU419EM
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often lead to premature wear, increased noise, and costly production interruptions. Sourcing reliable high-precision bearings with flexible order options can be a challenge, especially when dealing with urgent maintenance needs.
High Precision Cylindrical Roller Bearings for Reliable Industrial Performance
Our Cylindrical Roller Bearing NJ419EM NU419EM series is engineered to address these pain points. With precision ratings from P0 to P4, these bearings deliver consistent performance in machine tools, printing equipment, and reducers. As an integrated manufacturer with full R&D and QC capabilities, we ensure each bearing meets strict quality standards. We offer 1pc MOQ for standard items, with sample lead times of 3–5 days and bulk delivery within 5–15 days, supporting both emergency repairs and regular production needs.
Optimal Performance in Demanding Industrial Conditions
Cylindrical Roller Bearings like the NJ419EM and NU419EM are designed to handle high radial loads in applications requiring precise rotation. Their separated structure allows for easy mounting and dismounting, simplifying maintenance procedures. These bearings excel in industrial machinery operating under moderate to high speeds, providing stable performance in gearboxes, electric motors, and conveyor systems. The use of high-quality bearing steel ensures durability, even in continuous operation environments.
Key Technical Features That Enhance Machinery Efficiency
The precision rating of these bearings directly impacts machinery performance. P4 precision grade minimizes runout and vibration, crucial for high-speed machine tools where accuracy is paramount. The radial load capacity, supported by the cylindrical roller design, allows for increased power transmission without compromising structural integrity. Open seals type facilitates easy lubrication maintenance, while the single row configuration balances load distribution for extended service life. These technical attributes collectively reduce energy consumption and extend intervals between maintenance, lowering overall operational costs.
Long-Term Value of Authentic High Precision Bearings
Choosing authentic Cylindrical Roller Bearings over counterfeit alternatives reduces the risk of unexpected failures. Inferior bearings may initially cost less but often lead to higher total expenses due to frequent replacements, production downtime, and potential damage to associated machinery components. Our bearings, backed by ISO9001 and ISO14001 certifications, meet international industry standards, ensuring reliable performance and compatibility with global equipment brands. The 12-month global warranty further underscores our commitment to quality, providing peace of mind for long-term industrial applications.
Why Industrial Buyers Choose Our Bearings
With over 18 years of experience in bearing manufacturing and exporting, we serve clients across Europe, America, Southeast Asia, and the Middle East. Our full in-house R&D and QC lab ensures consistent product quality, while OEM/ODM customization capabilities allow us to meet specific industrial requirements. We provide free technical guidance to assist with proper选型 and installation, and offer defect replacement or refund for manufacturing issues. Our production capacity of 100,000 units ensures stable supply, even for large-scale industrial projects. Multiple payment options, including T/T, credit card, and Alibaba trade assurance, add flexibility for global transactions.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3–5 days sample lead time for urgent evaluation needs
- 5–15 days bulk delivery to meet production schedules
- Global logistics options including express, air, and sea freight
- 1pc MOQ for standard items, supporting small-batch and emergency purchases
Secure Your Industrial Machinery Performance Today
Don’t let bearing issues disrupt your production. Whether you need NJ419EM, NU419EM, or other cylindrical roller bearings, we can provide the right solution quickly. Sending your specific requirements now ensures faster processing and helps minimize downtime for your industrial equipment.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we supply authentic bearings and can provide full traceability documentation for our products, ensuring they meet quality standards.
Q: How can I confirm if NJ419EM/NU419EM is suitable for my equipment?
A: Provide your equipment model or specific operating conditions (load, speed, temperature), and our technical team will assist with选型 confirmation.
Q: What is the warranty policy for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for qualified issues.
Q: What is the minimum order quantity for standard bearings?
A: The minimum order quantity is 1 piece for standard items, supporting both small repairs and large-scale orders.
Q: How long does it take to ship after ordering?
A: Samples are typically shipped within 3–5 days, and bulk orders within 5–15 days, with various global shipping options available.
Q: How can I verify the authenticity of the bearings I receive?
A: Our bearings come with proper packaging and documentation. For specific brands like NSK, you can cross-verify using manufacturer-provided authentication methods.
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