Ball Bearing

High Precision S6903ZZ Stainless Steel Deep Groove Ball Bearing for Industrial Machinery

SKU: e4cbc3812844 In Stock

Ensure smooth, long-lasting operation in your industrial machinery with the High Precision S6903ZZ Stainless Steel Deep Groove Ball Bearing, designed to minimize downtime and enhance equipment reliability. This 17x30x7mm radial bearing delivers consistent performance under heavy loads, thanks to its single-row unseparated structure and high-grade stainless steel construction that resists corrosion in demanding environments.

  • Precision-engineered to meet industrial standards, reducing vibration and extending machinery service life
  • Seamless integration with machinery components, ensuring stable rotation and reducing maintenance needs
  • Backed by our strict quality control processes and 12-month warranty for peace of mind in your operations
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. S6903ZZ
Separated Unseparated
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Specification 17*30*7mm
Trademark NTN
Origin Germany Sweden Japan
HS Code 8482102000

Application Industries

Industry Typical Equipment
Industrial Manufacturing CNC Machine Tools, Textile Machinery, Printing Equipment
Automotive Electric Motors, Transmission Systems, Auxiliary Equipment
Agricultural Machinery Tractor Components, Harvester Drivetrains
Home Appliances Washing Machine Motors, Air Conditioner Compressors
New Energy Solar Tracking Systems, Small Wind Turbine Components

Eliminate Downtime Risks with High Precision S6903ZZ Stainless Steel Deep Groove Ball Bearing

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a critical component like a deep groove ball bearing fails prematurely, it disrupts production schedules, increases maintenance costs, and creates cascading delays across operations. Sourcing reliable bearings that meet exact specifications often means navigating minimum order quantities that don’t align with urgent repair needs or dealing with suppliers who can’t verify product authenticity.

Precision Engineered S6903ZZ Bearing for Uninterrupted Industrial Performance

The High Precision S6903ZZ Stainless Steel Deep Groove Ball Bearing addresses these challenges with its robust design and our proven supply chain capabilities. As a professional bearing manufacturer and supplier with decades of export experience, we offer this 17x30x7mm deep groove bearing with flexible order policies—including 1 piece MOQ for standard products—to support both scheduled maintenance and emergency repairs. Our strict quality control processes, from incoming raw material inspection to full-process production supervision, ensure each bearing meets international standards, directly addressing the common pain points of reliability and availability in industrial bearing procurement.

Optimal Performance in Demanding Industrial Environments

This S6903ZZ Stainless Steel Bearing excels in applications requiring precise radial load handling and smooth rotation. Its single-row, unseparated design makes it ideal for high-speed industrial machinery where consistent performance under varying loads is critical. Whether installed in textile machine spindles, printing press rollers, or CNC equipment gearboxes, this deep groove ball bearing maintains stability across operating conditions, minimizing vibration and extending equipment service life. The stainless steel construction enhances corrosion resistance, making it suitable for environments with moderate moisture or particulate exposure—common challenges in manufacturing and agricultural settings.

Technical Features That Deliver Reliable Rotation

The S6903ZZ Bearing’s performance is defined by key technical attributes that directly impact industrial machinery efficiency. Its 17mm bore diameter, 30mm outside diameter, and 7mm width create a compact footprint that fits standard equipment configurations, simplifying replacement and retrofitting. As a radial bearing, it efficiently handles forces perpendicular to the shaft, a common load scenario in conveyor systems and electric motors. The ZZ seal designation indicates metal shields on both sides, providing effective protection against contaminants while maintaining low friction operation—critical for reducing heat buildup in high-speed applications. Our production process adheres to ISO industrial standards, ensuring dimensional accuracy and consistent performance across every unit.

Why Authentic Bearings Matter for Total Cost of Ownership

Choosing genuine S6903ZZ Stainless Steel Bearings over counterfeit alternatives delivers significant long-term value. Counterfeit bearings often fail prematurely due to substandard materials and imprecise manufacturing, leading to unplanned downtime that costs far more than the initial savings on cheaper parts. A single hour of production loss in manufacturing can exceed the cost of multiple genuine bearings. Our products meet ISO 9001:2015 quality management standards, with each unit undergoing comprehensive testing—including dimensional checks and noise vibration analysis—to ensure reliability. By investing in authentic bearings, industrial operators reduce maintenance frequency, extend equipment lifespan, and avoid the hidden costs of premature component failure.

Our Commitment to Reliable Bearing Supply

With over 18 years of industry experience, Jinan Saifan Bearing Co., Ltd. has established a reputation for trustworthy bearing supply across Europe, North America, Southeast Asia, and the Middle East. We maintain strict quality control through in-house laboratory testing, ensuring every S6903ZZ Bearing meets P0-P4 precision grade standards. Our one-stop service covers independent R&D, mass production, and global sales, supported by a professional technical team that provides free guidance on bearing selection and installation. We offer a 12-month warranty on all products, with free replacement or refund for qualified defective items. Our efficient delivery system ensures sample orders ship within 3-5 working days, with bulk orders available in 5-15 working days—minimizing the wait time for critical industrial components.

Packaging & Shipping

  • Standard industrial packaging with protective inner wrapping to prevent damage during transit
  • Sample orders shipped within 3-5 working days; bulk orders delivered in 5-15 working days
  • Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight to match urgency requirements
  • Real-time tracking numbers provided once shipment is dispatched for full supply chain visibility
  • Flexible order quantities with 1 piece MOQ for standard bearings, supporting both emergency repairs and planned stock replenishment

Secure Your S6903ZZ Bearing Today

Don’t let bearing uncertainty disrupt your operations. Whether you need a single replacement bearing for urgent repairs or are planning bulk procurement for maintenance schedules, we ensure timely delivery of genuine S6903ZZ Stainless Steel Deep Groove Ball Bearings. Contact us with your requirements, and our technical team will help confirm compatibility with your equipment, ensuring optimal performance and longevity.

Frequently Asked Questions

Q: Is this S6903ZZ bearing a genuine original product?

A: Yes, we supply genuine original brand bearings including NTN, sourced through authorized channels. Each product can be traced to the original manufacturer, and we can provide authentication documentation upon request.

Q: How can I confirm if the S6903ZZ bearing fits my industrial machinery?

A: Provide your equipment model, application details, or existing bearing specifications, and our technical team will verify compatibility and provide free选型 guidance to ensure optimal performance.

Q: What is the warranty policy for this bearing?

A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced free of charge or refunded according to customer preference.

Q: What is the minimum order quantity for the S6903ZZ bearing?

A: The minimum order quantity is 1 piece for standard bearings, supporting both emergency repair needs and small-batch purchases.

Q: How long does shipping take and what logistics options are available?

A: Sample orders ship within 3-5 working days. We offer DHL, FedEx, UPS, air freight, and sea freight options, with delivery times varying by destination and service selected.

Q: How can I verify the authenticity of the bearing upon receipt?

A: Authentic bearings include original packaging with brand markings, laser-etched part

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

Latest from Our Knowledge Base

ALL ARTICLES