Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6303 |
| Bearing Type | Deep Groove Ball Bearing |
| Bore Diameter (d) | 17 mm |
| Outside Diameter (D) | 47 mm |
| Width (B) | 14 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Load Direction | Radial Bearing |
| Rows Number | Single |
| Separated | Unseparated |
| Aligning | Non-Aligning Bearing |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Auto parts, wheel hubs, transmission systems |
| Industrial Machinery | Electric motors, pumps, conveyors |
Looking for Reliable SKF 6303 Deep Groove Ball Bearings? Here’s What Matters
Choosing the right bearing for automotive and industrial applications can be challenging. Many buyers face issues with inconsistent quality from unknown suppliers or struggle to find bearings that meet precise dimensional requirements like 17x47x14mm. Even small deviations in size or vibration levels can lead to premature wear, increased noise, and unexpected equipment downtime—costing time and money to replace.
Built for Reliable, Long-Term Performance
Our SKF 6303 deep groove ball bearings address these challenges by offering precise dimensions (17x47x14mm) and Z3V3 vibration等级, ensuring smooth operation in demanding automotive parts and industrial machinery. Sourced through direct channels, these bearings come with the original SKF warranty, providing assurance of authenticity and quality. With a large inventory covering over 95% of conventional SKF models, we support same-day shipping for spot goods, minimizing lead times for urgent requirements.
Where This Bearing Performs Best
The SKF 6303 Z3V3 bearing excels in radial load applications with moderate speeds, making it ideal for automotive components such as wheel hubs, water pumps, and alternators. Its single-row design and unseparated structure ensure easy installation and maintenance, while the Z3V3 vibration rating guarantees low noise and stable performance—critical factors in passenger vehicles and precision machinery where smooth operation is essential.
Engineering Details That Matter
The performance of the SKF 6303 bearing is rooted in its key specifications. The bearing steel material provides high hardness and wear resistance, extending service life even under heavy loads. Available precision ratings from P0 to P2 allow customization based on application needs—P2 for high-precision machinery and P0 for general industrial use. The Z3V3 vibration classification ensures strict control over manufacturing tolerances, reducing noise and vibration that can cause equipment fatigue. Additionally, the option for grease or oil lubrication offers flexibility to match operating conditions, from high-temperature environments to low-maintenance applications.
Why Bearing Selection Affects Total Cost
Selecting the right bearing goes beyond upfront cost—it impacts long-term reliability and total operational expenses. A genuine SKF 6303 bearing with proper precision and vibration control reduces the risk of early failure, avoiding costly downtime and replacements. In contrast, low-quality bearings may save money initially but often lead to frequent repairs, production delays, and damage to adjacent components. By choosing bearings that meet original equipment standards, you ensure compatibility, extend service intervals, and ultimately lower the total cost of ownership for your equipment.
Quality You Can Rely On
We strictly follow SKF’s global quality management system, ensuring all products are sourced directly from official factories and warehouses. Each bearing comes with complete traceability, including original factory certificates and batch inspection reports. Our professional SKF-certified technical team provides expert guidance on selection and installation, ensuring optimal performance. With exports to over 40 countries and high recognition from global industrial users, we stand behind the quality of every bearing we supply, offering comprehensive after-sales support and warranty coverage.
Packaging & Shipping
- Standard packaging: Carton and pallet
- Package size: 6.70cm × 6.70cm × 3.40cm
- Package gross weight: 0.120kg
- Fast global delivery: 7-15 days door-to-door to most countries
- Flexible order quantities: Support both small and large volume purchases
Request a Quote for SKF 6303 Z3V3 Bearings
Whether you need SKF 6303 bearings for auto parts or industrial machinery, we can provide competitive pricing and reliable supply. Simply share your required quantity, delivery location, and any specific technical requirements—our team will respond promptly with a detailed quote and availability. With our large inventory and global shipping network, we ensure you get the bearings you need when you need them.
Frequently Asked Questions
Q: Do you supply other bearing brands or models besides SKF?
A: Yes, we cover a wide range of international brands and can source bearings according to your specified brand or model requirements.
Q: How can I confirm if the SKF 6303 bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility with the SKF 6303 specifications.
Q: What is the warranty policy for these bearings?
A: All SKF bearings come with the original factory warranty, covering manufacturing defects. Specific terms are detailed in the product certificate and sales contract.
Q: What is the minimum order quantity for SKF 6303 bearings?
A: We offer low minimum order quantities, supporting both small batch purchases and large-scale orders to meet your needs.
Q: How long does shipping take to my location?
A: For in-stock items, we ship the same day. Delivery typically takes 7-15 days to most countries and regions via our global logistics network.
Q: Do you provide OEM or ODM services for bearings?
A: Yes, we offer customized packaging, label printing, and technical documentation services according to customer requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
