Product Specifications
| Parameter |
Details |
| Model NO. |
NA6903 |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Material |
Bearing Steel |
| Type |
Closed |
| Product Name |
Needle Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Delivery Time |
3-7days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
17*30*23 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Gearboxes, Transmission Systems |
| Agricultural Machinery |
Harvesters, Tractors |
| Home Appliances |
Motors, Pumps |
Prevent Equipment Downtime with NA6903 Needle Roller Bearing 17x30x23mm for Industrial Machinery
Manufacturing operations face constant challenges from unexpected equipment failures, especially when critical components like bearings fail prematurely. Many production managers struggle with sourcing reliable precision bearings that meet exact specifications, often dealing with long lead times for custom orders or inconsistent quality from uncertified suppliers. The wrong bearing can lead to increased noise, reduced efficiency, and costly downtime—issues that directly impact your bottom line.
NA6903 Needle Roller Bearing: Precision Engineered for Industrial Reliability
Our Needle Roller Bearing NA6903 addresses these pain points with a design focused on durability and performance. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each 17x30x23mm radial bearing meets P0-P4 precision standards, making it ideal for industrial machinery where space and load capacity are critical. Whether used in machine tool spindles or printing equipment reducers, this bearing delivers consistent performance with flexible order options—including 1pc MOQ for standard items and 3-7 day delivery.
Optimal Performance in Demanding Industrial Environments
The NA6903 Needle Roller Bearing is engineered to excel in radial load applications, particularly where high stiffness and compact design are required. Its closed type construction and bearing steel material provide enhanced resistance to wear, making it suitable for continuous operation in industrial settings. With lubrication options of grease or oil, this bearing adapts to various operating conditions, ensuring reliable rotation even under heavy loads—a critical factor for maintaining productivity in manufacturing and processing lines.
Technical Specifications That Drive Performance
Understanding the technical details of the NA6903 radial bearing is key to maximizing equipment efficiency. The precision rating (P0-P4) directly influences rotational accuracy: higher precision grades like P4 minimize vibration and noise, essential for sensitive machinery such as CNC tools. Clearance options (C0, C3, C4) allow customization based on thermal expansion needs—C3 and C4 clearances accommodate higher operating temperatures, preventing seizure in high-speed applications. Additionally, the bearing’s 17x30x23mm dimension offers a balance of load capacity and space efficiency, fitting into compact industrial equipment without sacrificing performance.
Why Quality Bearings Matter More Than Cost
Choosing a low-cost, uncertified Needle Roller Bearing 17x30x23mm may seem like a budget-friendly decision, but it often leads to higher long-term costs. Inferior bearings lack consistent precision, leading to premature wear and equipment failure. In contrast, our NA6903 bearing, backed by a full QC lab and 12-month global warranty, reduces the risk of unplanned downtime. We stand behind every product with defect replacement and refund policies, ensuring your investment is protected. When calculating total cost of ownership, the reliability of a certified precision bearing far outweighs the savings of an untested alternative.
Our Commitment to Your Production Success
At Jinan Saifan Bearing, we build trust through transparent processes and proven expertise. Since 2005, we’ve served global buyers across Europe, America, Southeast Asia, and the Middle East, earning a reputation for stable supply and competitive pricing. Our R&D capabilities support OEM/ODM customization, allowing us to meet unique industrial requirements. Each bearing undergoes rigorous testing before shipment, and our technical team provides free guidance to ensure proper installation and maintenance. With a production capacity of 1,000,000 units annually, we maintain sufficient inventory to fulfill orders quickly—even for urgent replacements.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3-7 day delivery time for standard orders, with expedited options available
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight to meet your timeline
- Real-time tracking number provided for all shipments
- 1pc MOQ available to support emergency repairs and small-batch production needs
Get Your NA6903 Bearing Shipped Today
Don’t let equipment downtime disrupt your production schedule. The NA6903 Needle Roller Bearing 17x30x23mm is in stock and ready to ship—order now to minimize lead time and keep your machinery running. Whether you need a single replacement or bulk order, our team is prepared to process your request quickly and accurately.
Frequently Asked Questions
Q: Is this NA6903 bearing genuine?
A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our ISO-certified facility and comes with full traceability documentation.
Q: How do I confirm if the NA6903 is compatible with my equipment?
A: Provide your equipment model or specific operating parameters (load, speed, temperature), and our technical team will verify compatibility and offer选型 support at no cost.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or a full refund.
Q: What is the minimum order quantity for the NA6903?
A: We accept orders starting from 1 piece for standard items, making it easy to source emergency replacements or test samples.
Q: How quickly can you ship the NA6903 bearing?
A: Standard delivery time is 3-7 days. For urgent orders, contact us to discuss expedited shipping options.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing is marked with the B
Tags:
17x30x23mm Needle Roller Bearing
Industrial Machinery Bearing
NA6903 Bearing for Industrial Use
Needle Roller Bearing 17x30x23mm
Needle Roller Bearing NA6903
P0-P4 Precision Radial Bearing
Precision Bearing
radial bearing
