Product Specifications
| Parameter |
Details |
| Model NO. |
NUP318EM |
| Outer Dimension |
35mm-180mm |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Product Name |
Cylindrical Roller Bearing 307 |
| Bore Size |
15-90 mm |
| Structure |
Cylindrical |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
90*190*43mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Machinery, Reducers |
| Automotive |
Transmission Systems, Axles |
| Agriculture |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction |
Excavators, Heavy Load Machinery |
Eliminate Downtime with NJ318EM NF318EM Nu318EM High Precision Cylindrical Roller Bearings
Imagine a production line grinding to a halt because a low-quality bearing failed prematurely. The cost of lost productivity, emergency repairs, and replacement parts adds up quickly. Many industrial machinery operators face this frustration, especially when sourcing bearings that promise precision but deliver inconsistent performance. With minimum order quantities forcing overstock or long lead times delaying critical repairs, finding a reliable supplier feels like an endless challenge.
Engineered for Reliable Performance in Industrial Machinery
Our Cylindrical Roller Bearing NJ318EM NF318EM Nu318EM Series is designed to solve these issues. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P0-P4 precision standards and Z2-Z4 noise grades, critical for smooth operation in machine tools and printing equipment. With a 1pc MOQ for standard items and 3-5 day sample lead time, we eliminate the need for excessive inventory while ensuring you get the parts you need when you need them.
Optimal Performance in Demanding Industrial Conditions
This High Precision Cylindrical Roller Bearing excels in applications requiring radial load support and high-speed rotation, such as减速机 (reducers) and CNC machine spindles. The separated structure allows for easy installation and maintenance, while the bearing steel construction ensures durability under heavy loads. Whether operating in high-temperature environments or handling continuous duty cycles, this bearing maintains consistent performance, reducing the risk of unexpected downtime.
Technical Excellence That Drives Machinery Performance
The precision rating of P0-P4 directly impacts rotational accuracy—higher precision grades like P4 minimize vibration and noise, critical for sensitive machinery components. Vibration levels Z1V1 to Z3V3 further enhance operational stability, reducing wear on adjacent parts and extending overall equipment life. The 90*190*43mm specification provides optimal load distribution, while the ability to use grease or oil lubrication offers flexibility for various operating conditions. These technical details ensure the bearing not only fits your machinery but enhances its performance.
Why Authentic High Precision Bearings Matter for Your Bottom Line
Choosing genuine Cylindrical Roller Bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail early, leading to production stoppages that can cost thousands per hour. Our bearings, backed by a 12-month global warranty, undergo rigorous quality control in our dedicated lab, ensuring defect-free performance. By investing in authentic, high-precision bearings, you avoid the hidden expenses of frequent replacements, equipment damage, and unplanned downtime—ultimately lowering your total cost of ownership.
Your Trusted Partner for Stable Bearing Supply
Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East, building a reputation for reliability. Our full R&D capabilities and OEM/ODM customization support ensure we meet your specific requirements, while free technical guidance helps you select the right bearing for your application. With 5-15 day bulk delivery and defect replacement/refund policies, we stand behind our products. Our production capacity of 100,000 units ensures stable supply, even for large-scale industrial projects.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-5 days sample lead time for urgent evaluation
- 5-15 days bulk delivery to meet production schedules
- Multiple payment options including T/T, credit card, and Alibaba trade assurance
- 1pc MOQ available for standard items, supporting emergency repairs
Get Your NJ318EM NF318EM Nu318EM Series Bearings Today
Don’t let bearing issues slow down your operations. Send us your bearing designation, application details, and quantity, and we’ll provide a prompt quote. With free samples (buyer covers freight) and fast delivery, you can verify performance quickly and get back to full production. Every day without reliable bearings is a day of lost productivity—act now to secure your supply.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we maintain strict quality control and can provide full traceability for each bearing, ensuring authenticity and compliance with industry standards.
Q: How do I confirm the correct bearing model for my machine?
A: Provide your equipment model or specific operating conditions, and our technical team will assist in selecting the appropriate bearing型号 (model) for your needs.
Q: What is your warranty policy for these bearings?
A: We offer a 12-month global warranty, covering manufacturing defects with free replacement or refund available.
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 receive an order?
A: Sample lead time is 3–5 days, and bulk delivery takes 5–15 days, depending on order size and specifications.
Q: Can you provide technical support for installation and maintenance?
A: Yes, we offer free technical guidance to ensure proper installation, lubrication, and maintenance for optimal bearing performance.
Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
