Needle Roller Bearing NA6909 45x68x40mm Radial Heavy Duty Engineering Machinery Parts
<p>Ensure smooth, heavy-duty performance in your engineering machinery with the <strong>Needle Roller Bearing NA6909</strong>, designed to deliver reliable radial load support for construction and industrial applications. This 45x68x40mm radial bearing handles high stress with precision, crafted from premium bearing steel to minimize wear and extend equipment uptime—ideal for replacing worn parts in excavators, loaders, and heavy machinery.</p><ul><li>Engineered with P0-P4 precision ratings and C0/C3/C4 clearance options to match exact operational needs</li><li>Grease or oil lubrication flexibility ensures adaptability to diverse working conditions</li><li>3-7 day delivery keeps your maintenance schedule on track, backed by Saifan’s ISO-certified quality assurance</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
| Parameter | Details |
|---|---|
| Model NO. | NA6909 |
| 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 |
| Specification | 45×68×40 mm |
| Origin | China |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Engineering Machinery | Excavators, Loaders, Bulldozers |
| Industrial Machinery | Gearboxes, Conveyors, Presses |
| Agricultural Machinery | Harvesters, Tractors |
Reduce Downtime with NA6909 45x68x40mm Heavy Duty Needle Roller Bearing
Construction and industrial operations face costly delays when equipment bearings fail prematurely. Many buyers struggle with unreliable suppliers offering inconsistent quality, long lead times for critical parts, and difficulty sourcing bearings that meet heavy-load requirements. These issues disrupt production schedules and increase maintenance costs.
NA6909 Bearing: Engineered for Heavy-Duty Performance
The NA6909 45x68x40mm Radial Heavy Duty Needle Roller Bearing addresses these challenges with its robust design and reliable performance. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets strict quality standards. With a 3–7 day delivery time and 1pc MOQ, we support both emergency repairs and bulk orders for engineering machinery, industrial gearboxes, and agricultural equipment.
Optimal Performance in Demanding Conditions
Designed for radial heavy-duty applications, the NA6909 bearing excels in high-load environments typical of construction machinery and industrial equipment. Its needle roller design provides high load-carrying capacity within a compact size, making it ideal for space-constrained gearboxes and power transmission systems. The closed type construction protects internal components from contaminants, ensuring durability in dusty or moist work sites.
Technical Features That Ensure Reliability
The NA6909 bearing’s performance is defined by key technical attributes. Its precision ratings (P0-P4) allow for tight tolerance control, reducing vibration and noise in high-speed operations. Clearance options (C0, C3, C4) accommodate thermal expansion and installation requirements, critical for maintaining performance in varying temperatures. Constructed from high-grade bearing steel, it offers excellent wear resistance, while compatibility with both grease and oil lubrication provides flexibility for different operating conditions.
Quality Bearings Minimize Total Cost of Ownership
Choosing low-quality bearings often leads to hidden costs: unexpected downtime, frequent replacements, and potential damage to connected components. Our NA6909 Engineering Machinery Needle Bearing, backed by a 12-month global warranty, reduces these risks. Each unit undergoes rigorous quality control in our dedicated lab, ensuring consistent performance that lowers long-term maintenance expenses. We stand behind our products with defect replacement and refund policies, providing peace of mind for your operations.
Why Global Buyers Choose Saifan Bearings
With over 18 years of experience, Jinan Saifan Bearing serves buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D capabilities and OEM/ODM customization support ensure bearings meet your specific requirements. We maintain a large production capacity (1,000,000 units annually) to handle bulk orders, while our flexible payment options (T/T, credit card, Alibaba trade) simplify transactions. Our technical team provides free guidance on installation and maintenance, ensuring optimal bearing performance.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3–7 days delivery time for standard orders
- Global shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all shipments
- 1pc minimum order quantity available for emergency needs
Get Your NA6909 Bearing Shipped Today
Don’t let equipment downtime affect your productivity. Whether you need a single replacement bearing or a bulk order, we ensure fast delivery and reliable quality. Contact us with your requirements, and our team will assist with选型 and pricing to get your machinery back in operation quickly.
Frequently Asked Questions
Q: Is this a genuine NA6909 bearing?
A: Yes, we manufacture bearings to international standards and provide full traceability for all products. Our ISO certifications ensure quality and authenticity.
Q: How do I confirm if the NA6909 fits my equipment?
A: Provide your equipment model or technical specifications, and our engineering team will verify compatibility and offer选型 support at no cost.
Q: What is the warranty period for this bearing?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can you ship the NA6909 bearing?
A: Sample lead time is 3–5 days, with bulk delivery in 5–15 days. We prioritize urgent orders to minimize your downtime.
Q: Can you provide customizations for the NA6909?
A: Yes, we offer full OEM/ODM services, including custom precision levels, clearances, and packaging to meet your specific application needs.
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Needle Roller Bearing NA6909 45x68x40mm Radial Heavy Duty Engineering Machinery Parts?
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Phone / WhatsApp
+86 156 6666 3558Address
2612 Ming Quan, Chun Xiao No.88 Dikou Rd,
TianQiao Dist, Jinan, Shandong, China
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