Ball Bearing
Ensure smooth, long-lasting operation for your industrial machinery with precision-engineered Deep Groove Ball Bearings. These 6003, 6005, 6007, and 6009 models—compatible with NTN, NSK, and Koyo specifications—deliver reliable radial load support and reduced vibration, minimizing downtime in high-demand applications. Crafted from high-grade bearing steel, they maintain P0-P4 precision standards to keep your equipment running at peak efficiency, even under continuous use.
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
| Parameter | Details |
|---|---|
| Model NO. | 6003, 6005, 6007, 6009 |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Specification | 30*72*27mm |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Equipment, Reducers |
| Automotive | Hub Assemblies, Electric Motors |
| Agriculture | Harvesters, Tractors |
| Home Appliances | Washing Machines, Refrigeration Compressors |
| New Energy | Wind Turbines, Photovoltaic Equipment |
Production lines grinding to a halt due to bearing failure costs manufacturers thousands daily. Counterfeit bearings often fail within months, while inconsistent suppliers force you to manage multiple orders for standard parts. When your machinery needs reliable rotation—whether in CNC spindles or conveyor systems—compromising on bearing quality creates hidden costs far beyond the initial price tag.
As an authorized supplier with 18 years in the industry, we stock authentic Deep Groove Ball Bearings including 6003, 6005, 6007, and 6009 models from leading brands like NSK and NTN. Our ISO9001-certified quality control ensures each bearing meets original manufacturer specifications, eliminating the risk of premature failure in critical applications like industrial gearboxes and electric motors. With a 1pc MOQ and 3–5 day sample lead time, we support both emergency repairs and scheduled maintenance.
These single-row Deep Groove Ball Bearings excel in high-velocity rotational environments, supporting radial loads while accommodating moderate axial loads in both directions. The unseparated design ensures structural integrity during rapid acceleration, making them ideal for machine tool spindles operating at high RPMs and agricultural equipment subject to variable load conditions. Constructed from high-grade bearing steel, they maintain dimensional stability even under continuous operation, reducing vibration and extending equipment service life.
The precision manufacturing of these bearings—available in P0-P4 accuracy grades—minimizes radial runout, critical for maintaining alignment in printing presses and robotic arms. The radial load design distributes stress evenly across the raceways, enhancing durability in heavy-duty industrial machinery. With tight clearance control, these bearings reduce heat generation during high-speed rotation, a vital factor for maintaining efficiency in electric motor applications. Each unit undergoes rigorous testing to ensure compliance with international standards, guaranteeing consistent performance across batches.
While counterfeit Koyo 6003 Industrial Bearings may offer lower upfront prices, their frequent failures lead to unplanned downtime, maintenance labor costs, and potential damage to adjacent components. A single bearing failure in a production line can cost $10,000+ in lost output—easily outweighing the savings from cheaper alternatives. Our authentic NTN 6009 Machinery Bearings come with a 12-month global warranty, covering manufacturing defects and providing free replacement or refund, ensuring predictable costs and reliable performance over the long term.
With a production capacity of 1,000,000 units annually and full R&D capabilities, we ensure stable supply even for bulk orders. Our QC lab conducts material analysis and performance testing on every batch, while ISO14001 certification reflects our commitment to sustainable manufacturing practices. We serve over 50 countries across Europe, America, and Southeast Asia, offering free technical guidance to help you select the right bearing for your specific application. Whether you need standard sizes or custom solutions, our OEM/ODM capabilities ensure your exact requirements are met.
Every day of delayed maintenance increases the risk of unexpected equipment failure. Send us your required bearing model, application details, and quantity, and our technical team will confirm compatibility and provide a quote within 24 hours. With our stock availability and fast shipping, you can minimize downtime and keep your operations running smoothly.
Q: Are these genuine original bearings?
A: Yes, we are an authorized supplier of NSK, NTN, and Koyo bearings. Each product is sourced directly from the manufacturer and comes with full traceability documentation.
Q: How do I confirm the right bearing size for my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility at no cost.
Q: What is your warranty policy?
A: All bearings come with a 12-month global warranty covering manufacturing defects. We offer free replacement or refund for non-conforming products.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece for standard items, ideal for emergency repairs or small-batch requirements.
Q: How long does shipping take?
A: In-stock items ship within 3–5 days via express courier (DHL/FedEx/UPS) with delivery times of 3–7 days to most countries. Bulk orders take 5–15 days for production and shipping.
Q: How can I verify the authenticity of the bearings?
A: Authentic bearings include original packaging with brand logos, laser-etched part numbers, and security labels. We provide certification documents and assist with manufacturer verification upon request.
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Ball Bearing
Ball Bearing
Ball Bearing
Ball Bearing