Product Specifications
| Parameter |
Details |
| Model NO. |
Nj311e |
| Outer Dimension |
Large (200-430mm) |
| 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 |
55*120*29 mm |
| 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 |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Solar Equipment |
| Construction |
Excavators, Heavy Load Machinery |
Reduce Downtime with Reliable NJ311E NJ2311E Cylindrical Roller Bearings for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often lead to premature wear, costly repairs, and production delays. Sourcing precision bearings that meet strict industrial standards can be challenging, especially when dealing with minimum order quantities and long lead times.
Precision Cylindrical Roller Bearings Delivered When You Need Them
Our NJ311E and NJ2311E Cylindrical Roller Bearings are engineered to solve these challenges. With P0-P4 precision ratings, these bearings ensure smooth operation in industrial machinery, reducing vibration and extending equipment life. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer 1pc MOQ for standard items, 3-5 days sample lead time, and 5-15 days bulk delivery, making us a reliable partner for both urgent repairs and regular maintenance.
Optimal Performance in Demanding Industrial Environments
Cylindrical Roller Bearings excel in applications requiring high radial load capacity and moderate speeds, such as machine tool spindles, printing presses, and reducers. The separated design of NJ311E and NJ2311E bearings allows for easy installation and maintenance, while the open seal type accommodates various lubrication methods. Whether your equipment operates in high-temperature settings or under heavy loads, these bearings provide consistent performance to keep your production line running.
Key Technical Features That Matter
The precision rating of P0-P4 ensures tight dimensional tolerance, critical for machinery where accuracy directly impacts product quality. Bearing steel construction offers excellent durability and wear resistance, extending service life even in harsh conditions. The single row structure balances load capacity and rotational efficiency, making these bearings suitable for a wide range of industrial applications. With a specification of 55*120*29 mm, the NJ311E is designed to fit standard industrial machinery shafts, ensuring compatibility with existing equipment.
Long-Term Value of Quality Cylindrical Roller Bearings
Choosing genuine, high-precision bearings reduces the total cost of ownership. Inferior bearings may have lower upfront costs but often fail prematurely, leading to unplanned downtime, replacement expenses, and potential damage to other machine components. Our bearings come with a 12-month global warranty, free technical guidance, and defect replacement or refund, ensuring peace of mind and long-term reliability for your industrial operations.
Why Industrial Buyers Choose Saifan Bearings
With over 18 years of experience manufacturing and exporting bearings, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D and QC lab ensure consistent quality, while OEM/ODM customization capabilities meet specific application requirements. We support flexible payment options including T/T, credit card, and Alibaba trade assurance, and offer free samples (buyer covers freight) to verify performance before bulk orders. Our commitment to stable supply and competitive pricing has made us a trusted partner for industrial machinery manufacturers worldwide.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-5 days sample lead time for urgent testing needs
- 5-15 days bulk delivery to meet production schedules
- Multiple shipping options including express, air, and sea freight
- 1pc MOQ for standard items, ideal for emergency repairs
Get Your NJ311E NJ2311E Bearings Today
Don’t let bearing issues disrupt your production. Send us your bearing型号, application details, and quantity to receive a prompt quote. With our fast delivery and reliable quality, you can minimize downtime and keep your industrial machinery operating at peak efficiency.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our ISO-certified facility and can be traced through our production records.
Q: How can I confirm if the NJ311E is suitable for my machine?
A: Provide your equipment model, operating speed, load conditions, and required precision等级. Our technical team will verify compatibility and recommend the best bearing solution.
Q: What is your warranty policy for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or refund.
Q: What is the minimum order quantity for NJ311E bearings?
A: The minimum order quantity for standard items is 1 piece, supporting both small-scale repairs and large production runs.
Q: How long does it take to ship an order?
A: Sample orders are shipped within 3-5 days, and bulk orders within 5-15 days. We work with major logistics providers to ensure timely delivery to your location.
Q: Do you offer technical support for installation and maintenance?
A: Yes, our team provides free technical guidance on installation, lubrication, and maintenance to help maximize bearing performance and service life.
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