Product Specifications
| Parameter |
Details |
| Model NO. |
NN3040K |
| Outer Dimension |
35mm-180mm |
| 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 |
| Vibration |
V1V2V3V4 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
200*310*82 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Machinery, Reducers |
| Auto Parts Manufacturing |
Hub Assemblies, Transmission Systems |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction Machinery |
Excavators, Heavy Load Equipment |
Reduce Downtime with High Precision Double Row Cylindrical Roller Bearing NN3040K P4 for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. Precision equipment like machine tools and reducers demands reliable components that maintain accuracy under heavy loads. Sourcing high-precision bearings often means navigating minimum order quantities, long lead times, and concerns about quality consistency—all of which can disrupt production schedules and increase operational costs.
NN3040K P4 Bearing: Engineered for Reliable Performance in Critical Applications
Our high precision double row cylindrical roller bearing NN3040K P4 is designed to address these challenges. With P4 precision rating and a separated structure, this bearing delivers the stability and durability required for industrial machinery. We support flexible orders with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery, ensuring you get the bearings you need when you need them. Whether for machine tool spindles or printing press reducers, this cylindrical roller bearing provides the precision and reliability your equipment demands.
Optimal Performance in High-Demand Industrial Environments
The NN3040K P4 bearing excels in applications requiring radial load support and high rotational accuracy. Its double row design and bearing steel construction make it suitable for heavy-load industrial machinery operating under continuous use. With vibration grades up to V4 and lubrication options including oil, grease, and dry operation, this bearing adapts to diverse operating conditions, ensuring consistent performance in sectors from automotive manufacturing to renewable energy equipment.
Technical Excellence: Key Parameters for Industrial Machinery Performance
Precision rating is critical for industrial machinery, and the P4 classification of the NN3040K bearing ensures minimal radial and axial runout, essential for maintaining tight tolerances in machine tools. The separated structure allows for easy mounting and dismounting, reducing maintenance time and labor costs. With an outer dimension range of 35mm-180mm and specific specification of 200*310*82 mm, this bearing is engineered to fit standard industrial equipment while providing the load capacity needed for heavy-duty operations. The open seal type facilitates lubrication management, allowing operators to optimize maintenance intervals based on specific application requirements.
Invest in Quality: Avoid the Hidden Costs of Substandard Bearings
Choosing a high precision cylindrical roller bearing like the NN3040K P4 reduces the risk of premature failure, which can lead to unplanned downtime, costly repairs, and production losses. Substandard bearings often fail to meet precision requirements, leading to increased vibration, noise, and wear on adjacent components. Our bearings are manufactured under ISO9001 and ISO14001 certifications, ensuring consistent quality and performance. With a 12-month global warranty, we stand behind our products, offering free technical guidance and defect replacement to minimize your operational risks.
Your Trusted Partner for Industrial Bearings
Jinan Saifan Bearing, founded in 2005, brings over 18 years of experience as an integrated manufacturer and exporter serving global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D capabilities and QC lab ensure that every NN3040K P4 bearing meets strict quality standards. We offer comprehensive OEM/ODM customization to meet specific application needs, backed by a production capacity of 100,000 units. Our commitment to stable supply and competitive pricing has made us a reliable partner for industrial machinery manufacturers, bearing wholesalers, and brand owners worldwide.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3–5 days sample lead time for urgent evaluation
- 5–15 days bulk delivery for standard orders
- Multiple payment options including T/T, credit card, and Alibaba trade assurance
- 1pc MOQ for standard items, supporting both small and large scale requirements
Get Your NN3040K P4 Bearing Today
Don’t let bearing issues slow down your production. Contact us with your bearing requirements, application details, and quantity, and our team will provide a prompt quote. With free samples available (buyer covers freight) and fast delivery, we make it easy to secure the high precision cylindrical roller bearings your machinery needs to operate at peak efficiency.
Frequently Asked Questions
Q: Is the NN3040K P4 bearing genuine and traceable?
A: Yes, we are an integrated manufacturer with strict quality control processes. All bearings are produced in our ISO9001 & ISO14001 certified facility and can be traced through our production records.
Q: How can I confirm if the NN3040K P4 bearing fits my industrial machinery?
A: Provide your equipment model, operating conditions, and required specifications. Our technical team will verify compatibility and offer free选型 support.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund, with free technical guidance available throughout the warranty period.
Q: What is the minimum order quantity for the NN3040K P4 bearing?
A: We accept 1pc MOQ for standard items, making it suitable for both emergency repairs and small-batch purchases.
Q: How long does it take to ship the NN3040K P4
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.
