Saifan Bearing
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery
In Stock · Ready to Ship

Deep Groove Ball Bearing 6003 6005 6007 6009 NTN NSK Koyo for Industrial Machinery

SKU: e66aad1b3641

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.

  • Unseparated single-row design ensures easy installation and consistent performance in textile machinery, printing equipment, and more
  • 30*72*27mm specification (6007 model) fits standard industrial shafts, reducing the need for custom modifications
  • Meets ISO/ABMA standards for durability, directly addressing the challenge of maintaining stable operations in demanding work environments
Factory Price
¥1.50
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. 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

Application Industries

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

Prevent Equipment Downtime with Genuine Deep Groove Ball Bearings 6003-6009

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.

Genuine NSK, NTN, Koyo Bearings in Stock for Immediate Shipment

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.

Engineered for High-Speed Radial Load Applications

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.

Key Technical Features That Maximize Performance

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.

Why Authentic Bearings Lower Your Total Cost of Ownership

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.

Our Commitment to Reliable Bearing Supply

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.

Packaging & Shipping

  • Authentic brand packaging with protective inner boxes and outer carton reinforcement
  • 3–5 day lead time for samples, 5–15 day bulk delivery for in-stock items
  • Flexible shipping via DHL, FedEx, UPS, air freight, or sea freight
  • Real-time tracking provided for all shipments
  • 1pc minimum order quantity supported for emergency replacement needs

Secure Your Bearing Supply Today

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.

Frequently Asked Questions

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.

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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