Ball Bearing

Stainless Steel Micro Deep Groove Ball Bearings 623-629 for Precision Machinery P0-P4 Grade

SKU: 65e0fff045d3 In Stock

Ensure smooth, precise rotation in your precision machinery with our Stainless Steel Micro Deep Groove Ball Bearings 623-629—engineered to deliver consistent performance from P0 to P4 grades. Crafted with high-grade stainless steel, these bearings resist corrosion and maintain stability even in demanding environments, solving the common challenge of premature wear in sensitive equipment.

  • Available in ZZ, 2RS, and Open seals to match your lubrication needs (grease or oil), ensuring optimal protection against contaminants
  • Single-row radial design handles axial loads efficiently, making them ideal for compact precision tools and small-scale mechanical systems
  • Backed by our ISO 9001-certified manufacturing process, guaranteeing reliable quality that minimizes downtime and extends machinery lifespan
Wholesale Price (FOB)
¥1.50
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. 623, 624, 625, 626, 627, 628, 629
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Product Name Deep Groove Ball Bearing
Seals Type ZZ, 2RS, Open
Lubrication Grease or Oil
Precision Rating P0, P6, P5, P4, P2
Vibration Z1V1, Z2V2, Z3V3
Service OEM, ODM
Transport Package Carton, Pallet
Specification 3*10*4 mm
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Precision Machinery CNC Machine Tools, Printing Equipment, Spindles
Industrial Automation Robotic Arms, Conveyor Systems, Servo Motors
Medical Devices Diagnostic Equipment, Surgical Instruments
Electronics Hard Disk Drives, Precision Gears, Small Pumps
Home Appliances Air Conditioners, Refrigeration Compressors, Fans

Eliminate Downtime with Reliable 623-629 Stainless Steel Micro Deep Groove Ball Bearings

Manufacturers know the frustration of unexpected equipment failure—especially when it’s caused by low-quality micro bearings. Precision machinery stalls, production lines halt, and maintenance teams scramble to source replacements. Worse, many suppliers demand large minimum orders or long lead times, turning a minor repair into a major disruption. As an integrated bearing manufacturer since 2005, we’ve seen these challenges firsthand.

Stainless Steel Micro Deep Groove Bearings Engineered for Precision Machinery

Our 623-629 Stainless Steel Micro Deep Groove Ball Bearings address these pain points directly. With P0-P4 precision ratings and Z1V1-Z3V3 vibration control, they deliver consistent performance in high-precision applications like CNC machine tools and medical devices. We support flexible orders with 1pc MOQ for standard items, 3-5 day sample lead times, and bulk delivery in 5-15 days—so you get the bearings you need when you need them.

Optimal Performance in Tight Spaces

These micro deep groove ball bearings excel in applications where space is limited but performance can’t be compromised. With a compact 3*10*4 mm specification, they handle radial loads efficiently while maintaining low noise operation—critical for precision equipment like robotic arms and diagnostic devices. Whether your machinery runs at high speeds or requires tight tolerance control, the single-row design and multiple seal options (ZZ, 2RS, Open) ensure reliable operation in diverse conditions.

Precision and Durability: Key Technical Advantages

Every aspect of these bearings is engineered for performance. The P0-P4 precision ratings ensure minimal radial and axial runout, essential for maintaining accuracy in CNC spindles and printing equipment. Vibration grades Z1V1 to Z3V3 reduce operational noise, a must for electronics and medical devices. Choose between grease or oil lubrication to match your application’s speed and temperature requirements, while the bearing steel construction provides the durability needed for continuous industrial use.

Why Quality Bearings Reduce Total Cost of Ownership

Opting for low-cost micro bearings may seem like a budget saver, but the hidden costs add up quickly. Early failure leads to unplanned downtime, expensive repairs, and potential damage to surrounding components. Our bearings, backed by ISO9001 and ISO14001 certifications, minimize these risks with consistent quality and a 12-month global warranty. We stand behind every product—offering defect replacement or refund to ensure your investment is protected.

Your Trusted Partner for Micro Bearing Solutions

With over 18 years in the industry, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D and QC lab ensure each bearing meets strict performance standards, while OEM/ODM capabilities let us customize solutions to your exact specifications. We offer free technical guidance to help you select the right bearing, and our responsive after-sales team ensures quick resolution to any issues. When you work with us, you get more than a supplier—you get a long-term partner committed to your success.

Packaging & Shipping

  • Secure carton packaging with pallet reinforcement for bulk orders
  • 3-5 day lead time for samples, 5-15 days for bulk production
  • Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
  • Real-time tracking provided for all shipments
  • 1pc minimum order quantity for standard models, ideal for emergency repairs

Get Your Micro Bearings Shipped Fast

Don’t let equipment downtime eat into your profits. Send us your bearing model (623-629), application details, and quantity, and we’ll provide a quote within 24 hours. With our quick lead times and global shipping, you can get your machinery back up and running in no time.

Frequently Asked Questions

Q: Are these bearings genuine and traceable?

A: Yes, all our bearings are manufactured in our ISO-certified facility and come with full traceability documentation.

Q: How do I confirm the right bearing size for my equipment?

A: Provide your equipment model or technical specifications, and our engineering team will help verify the correct bearing dimensions and type.

Q: What is your warranty policy?

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 small repairs and large-scale production needs.

Q: How quickly can you ship?

A: Samples ship in 3-5 days, bulk orders in 5-15 days, with expedited shipping options available upon request.

Q: Do you offer custom bearing solutions?

A: Yes, we provide full OEM/ODM customization, including material, precision, and seal type modifications to meet specific application requirements.

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

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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