Needle Roller Bearing NA6903 17x30x23mm P0-P4 Precision Radial Bearing for Industrial Machinery
ISO 9001:2015 Certified

Needle Roller Bearing NA6903 17x30x23mm P0-P4 Precision Radial Bearing for Industrial Machinery

<p>Ensure smooth, precise rotation in industrial machinery with the <strong>Needle Roller Bearing NA6903</strong>, engineered to deliver reliable performance even under heavy loads. This 17x30x23mm radial bearing minimizes downtime with its P0-P4 precision rating and durable bearing steel construction, addressing the need for consistent operation in demanding industrial environments.</p><ul><li>Closed design with C0/C3/C4 clearance options for tailored fit in machine tools, reducers, and textile equipment</li><li>Supports both grease and oil lubrication to adapt to your maintenance protocols</li><li>Backed by Saifan’s ISO 9001-certified quality control for long service life and stable supply</li></ul>

Precision

P0 – P4

Noise Grade

Z2 / Z3 / Z4

Min. Order

1 Piece

Sample 3–5 Days
12-Month Warranty
OEM / ODM Support
Free Sample Available

Product Description

Product Specifications

ParameterDetails
Model NO.NA6903
Load DirectionRadial Bearing
StyleWithout Outer Ring, Without Inner Ring
MaterialBearing Steel
TypeClosed
Product NameNeedle Roller Bearing
LubricationGrease or Oil
Precision RatingP0 P6 P5 P4 P2
ClearanceC0 C3 C4
Delivery Time3-7days
ServiceOEM ODM
Transport PackageCarton Pallet
Specification17*30*23 mm
TrademarkBDL
OriginChina
HS Code8482102000
Production Capacity1000000

Application Industries

IndustryTypical Equipment
Industrial MachineryMachine Tools, Printing Equipment, Reducers
AutomotiveGearboxes, Transmission Systems
Agricultural MachineryHarvesters, Tractors
Home AppliancesMotors, 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

Get a Fast Quote

Interested in
Needle Roller Bearing NA6903 17x30x23mm P0-P4 Precision Radial Bearing for Industrial Machinery?

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Phone / WhatsApp

+86 156 6666 3558

Address

2612 Ming Quan, Chun Xiao No.88 Dikou Rd,
TianQiao Dist, Jinan, Shandong, China

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