Product Specifications
| Parameter |
Details |
| Model NO. |
6303 |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Aligning |
Non-Aligning Bearing |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Transport Package |
Carton Pallet |
| Specification |
17*47*14 mm |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Automotive |
Transmission systems, wheel hubs, engine components |
| Industrial Machinery |
Electric motors, pumps, gearboxes |
| Home Appliances |
Washing machines, air conditioners, power tools |
| Agricultural Machinery |
Tractor gearboxes, harvester components |
| New Energy |
Wind turbine accessories, solar panel tracking systems |
Prevent Costly Auto Part Failures with 6303 Deep Groove Ball Bearing
Auto parts manufacturers know the frustration of unexpected bearing failures—downtime on production lines, increased maintenance costs, and compromised product quality. Many face challenges with inconsistent precision from low-quality suppliers or struggle to meet tight delivery timelines for custom orders. When components like wheel hubs or transmissions fail due to substandard bearings, the ripple effect impacts both reputation and bottom line.
Reliable 6303 Ball Bearings for Auto Parts and Beyond
Our Deep Groove Ball Bearing 6303 addresses these pain points with precision engineering and flexible supply solutions. Designed to meet P0-P4 precision standards and Z1V1-Z3V3 noise grades, this 17x47x14mm bearing delivers consistent performance in automotive applications. With ISO9001 and ISO14001 certifications backing our manufacturing process, we ensure each bearing meets strict quality benchmarks. Whether you need standard parts with 1pc MOQ or custom OEM/ODM solutions, our 3-5 day sample lead time and 5-15 day bulk delivery keep your production on track.
Optimal Performance in Critical Automotive Applications
The 6303 17x47x14mm Ball Bearing excels in radial load environments, making it ideal for automotive transmission systems, wheel hubs, and electric motor assemblies. Its single-row, unseparated design ensures stability during high-speed rotation, while bearing steel construction provides durability under continuous operation. In automotive manufacturing, where precision directly impacts vehicle safety and performance, this bearing’s ability to maintain tight tolerances (P0-P4) and low vibration (Z2-Z4) is critical for reducing noise and extending component life.
Technical Details That Drive Performance
Key technical features of the 6303 Bearing contribute to its reliability in auto parts. The precision rating (P0-P4) controls dimensional accuracy—P4 grade bearings, for example, minimize radial runout, ensuring smoother operation in high-precision applications like electronic power steering systems. Vibration grades (Z1V1-Z3V3) reduce noise emissions, a vital consideration for passenger vehicle comfort. The bearing’s radial load capacity, combined with grease or oil lubrication options, allows adaptation to varying operating temperatures and speed requirements, from idle to highway conditions. Non-aligning design suits rigid mounting setups common in automotive assemblies, while the unseparated structure simplifies installation and maintenance.
Long-Term Value of Quality Bearings for Auto Manufacturing
Choosing substandard 6303 Bearings may seem cost-effective initially, but the hidden costs add up. Early failures can lead to production line shutdowns—each hour of downtime in auto manufacturing costs thousands in lost output. Poor precision causes premature wear on adjacent components, increasing warranty claims and repair expenses. Our bearings, backed by a 12-month global warranty, reduce these risks. With defect replacement and refund policies, we stand behind the performance of every unit. For auto parts manufacturers, investing in high-quality bearings lowers total cost of ownership by minimizing downtime, reducing maintenance, and ensuring consistent product quality.
Why Auto Parts Manufacturers Trust Saifan Bearings
With 18 years of experience as an integrated bearing manufacturer and exporter, we serve global buyers across Europe, America, and Southeast Asia. Our full R&D department and QC lab ensure each 6303 Bearing meets design specifications, while OEM/ODM capabilities support custom requirements—critical for specialized auto parts. We offer free technical guidance to help you select the right precision and vibration grade for your application. Flexible payment options (T/T, credit card, Alibaba trade) and free samples (buyer covers freight) make it easy to evaluate our bearings before committing to bulk orders. Our stable supply chain, with a production capacity of 1,000,000 units, ensures consistent availability even for large-volume orders.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3–5 day sample lead time for prototype testing
- 5–15 day bulk delivery for standard items
- Multiple logistics options including express, air, and sea freight
- 1pc MOQ for standard bearings, supporting small-batch and emergency orders
Get Your 6303 Bearing Quote Today
Don’t let bearing issues slow down your auto parts production. Send us your requirements—including quantity, precision grade, and application details—and our team will provide a quote within 24 hours. With free samples available and fast delivery, you can quickly verify performance and get back to manufacturing with confidence.
Frequently Asked Questions
Q: Are these 6303 bearings suitable for automotive wheel hub applications?
A: Yes, the 6303 17x47x14mm Ball Bearing is designed for radial load environments, making it suitable for wheel hubs, transmission systems, and other auto parts requiring stable rotation and durability.
Q: Can you provide custom precision grades for the 6303 bearing?
A: We offer OEM/ODM services with precision ratings from P0 to P4, tailored to your specific auto part requirements. Contact our technical team with your specs for customization.
What is your warranty policy for the 6303 bearing?
A: We provide a 12-month global warranty covering manufacturing defects. Defective products can be replaced or refunded, with free technical support throughout the warranty period.
Q: What is the minimum order quantity for standard 6303 bearings?
A: We accept 1pc MOQ for standard items, supporting small-batch purchases and emergency maintenance needs.
Q: How do you ensure the quality of your bearings?
A: Our manufacturing process is ISO9001 and ISO14001 certified, with rigorous QC lab testing for precision, vibration, and material quality. Each bearing undergoes inspection before shipment.
