Saifan Bearing
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm
In Stock · Ready to Ship

Needle Roller Bearings NAV4909-NAV4914 P0-P4 Precision for Industrial Machinery 45x68x22mm

SKU: 34811a770296

Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearings—engineered to deliver reliable performance even under heavy radial loads. Crafted to P0-P4 precision standards and sized at 45x68x22mm, these NAV4909-NAV4914 bearings minimize vibration and extend equipment lifespan, solving common wear-and-tear issues in high-demand applications.

  • Radial design without inner/outer rings optimizes space efficiency for compact machinery setups
  • Premium bearing steel construction ensures consistent operation with grease or oil lubrication
  • Backed by ISO 9001:2015 quality control for peace of mind, with 3-7 day delivery to keep your production on track
Factory Price
¥1.45
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Product Specifications

Parameter Details
Model NO. NAV4909
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 45*68*22 mm
Trademark BDL
Origin China
HS Code 8482102000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Presses, Gearboxes
Manufacturing CNC Machines, Spindles, Conveyors
Automotive Transmission Systems, Axle Assemblies
Agricultural Machinery Harvesters, Tractors, Tillers
New Energy Wind Turbines, Solar Panel Equipment

Prevent Costly Downtime with Precision NAV4909 Needle Roller Bearings for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often fail prematurely, leading to production halts, missed deadlines, and expensive repairs. Sourcing reliable needle roller bearings with precise specifications can be challenging, especially when dealing with minimum order quantities and long lead times that delay maintenance.

NAV4909 Needle Roller Bearings: Engineered for Reliable Industrial Performance

Our Needle Roller Bearings NAV4909-NAV4914 series addresses these challenges with P0-P4 precision ratings and a compact 45x68x22mm design, ideal for industrial machinery where space and load capacity are critical. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality through rigorous R&D and QC processes. Whether for machine tools, gearboxes, or conveyors, these radial needle bearings deliver the durability needed to keep your equipment running.

Optimal Performance in Demanding Industrial Environments

Designed as closed-type radial bearings without inner or outer rings, the NAV4909 series excels in applications requiring high radial load capacity within limited space. These bearings operate efficiently with either grease or oil lubrication, making them suitable for diverse industrial conditions—from high-speed machine tool spindles to heavy-duty agricultural equipment. Their bearing steel construction ensures resistance to wear, even under continuous operation, reducing the need for frequent replacements.

Key Technical Features That Enhance Machinery Efficiency

The precision rating of P0-P4 directly impacts operational accuracy; higher precision (P4) minimizes vibration and noise, critical for precision machining applications. Clearance options (C0, C3, C4) allow customization based on thermal expansion needs—C3 and C4 clearances accommodate higher temperatures, preventing seizure in hot-running equipment. The closed design protects internal components from contaminants, extending service life in dusty manufacturing environments. With a production capacity of 1,000,000 units, we ensure stable supply for both small repairs and large-scale production.

Long-Term Value: Choosing Quality Over Short-Term Savings

Opting for uncertified needle roller bearings may seem cost-effective initially, but the hidden costs add up. Premature failures cause production downtime, while poor precision increases energy consumption and tool wear. Our bearings, backed by a 12-month global warranty, reduce total cost of ownership by delivering consistent performance and reliable after-sales support. Each unit meets international standards, ensuring compatibility with existing industrial machinery and reducing the risk of mismatched components.

Why Industrial Buyers Partner With Us

With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we prioritize customer trust through transparent practices. Our OEM/ODM capabilities allow customization to specific machinery requirements, while flexible orders (1pc MOQ for standard items) support urgent repairs. Free samples (buyer covers freight) enable testing before full deployment, and our 3-5 day sample lead time ensures minimal delays. Technical guidance is provided free of charge, helping you select the right precision rating and clearance for your application.

Packaging & Shipping

  • Secure carton and pallet packaging to prevent damage during transit
  • 3-7 day delivery time for standard orders, ensuring quick replacement
  • Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking numbers provided for all shipments
  • 1pc minimum order quantity, ideal for emergency repairs and small-batch needs

Get Your NAV4909 Bearings Shipped Fast

Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk order, our ready-to-ship inventory ensures you get the NAV4909 needle roller bearings you need when you need them. Contact us today with your specifications, and we’ll help you maintain uninterrupted operations.

Frequently Asked Questions

Q: Are these needle roller bearings genuine and traceable?

A: Yes, all our bearings are manufactured in-house under ISO9001/ISO14001 standards, with full traceability from raw materials to production.

Q: How do I confirm if the NAV4909 is compatible with my machinery?

A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify compatibility free of charge.

Q: What is the warranty coverage for these bearings?

A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund for non-conforming products.

Q: What is the minimum order quantity for the NAV4909?

A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases.

Q: How quickly can I receive my order?

A: Samples ship within 3-5 days, and bulk orders within 5-15 days, with expedited shipping options available.

Q: Can you provide custom bearings for specific applications?

A: Yes, we offer full OEM/ODM customization, including precision ratings, clearances, and materials, tailored to your requirements.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.

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.

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Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.

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