Keep your motorcycle, automotive, or truck parts running smoothly with the High Speed Deep Groove Ball Bearing 6303 ZV2—engineered to deliver reliable performance under high-speed conditions while minimizing noise and vibration. This precision bearing ensures consistent rotation, reducing downtime and extending the life of your equipment, even in demanding applications.
| Parameter | Details |
|---|---|
| Model NO. | 6303 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Stock | Rich Stocks |
| Transport | by Sea or by Air |
| Service | OEM, ODM |
| Separated | Unseparated |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Transport Package | Carton Pallet |
| Trademark | SKF/NTN/NSK/KOYO/NACHI/TIMKEN |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Automotive | Truck Parts, Engine Components, Wheel Hubs |
| Motorcycle | Transmission Systems, Wheel Assemblies |
| Industrial Machinery | Electric Motors, Pumps, Conveyors |
Equipment failures due to bearing issues cost manufacturers thousands in lost production each year. Whether it's a motorcycle transmission seizing or a truck wheel hub failing prematurely, the root cause often traces to low-quality bearings that can't handle high-speed rotation or heavy loads. Sourcing reliable components with consistent quality and flexible order options remains a challenge for workshops and distributors alike.
Our 6303 ZV2 Bearing addresses these pain points with precision-engineered features designed for high-speed applications in motorcycles and automotive trucks. With production capacity exceeding 1,000,000 units annually and rich stock availability, we ensure quick fulfillment of both small emergency orders and large-scale production requirements. The ZV2 vibration grade ensures smooth operation, while the deep groove design provides optimal radial load handling—critical for vehicle drivetrain components.
This High Speed Deep Groove Ball Bearing excels in environments where rotational speed and noise control are paramount. Motorcycle engines and truck transmissions operate under constant stress, requiring bearings that maintain stability at high RPMs while minimizing vibration. The 6303 ZV2's low noise特性 makes it ideal for passenger vehicles, where cabin comfort depends on reduced mechanical sound. Constructed from high-grade bearing steel, it delivers long service life even in temperature-fluctuating conditions typical of automotive applications.
The precision rating options (P0-P4) allow customization based on application requirements—from standard industrial use (P0) to high-precision machinery (P4). Vibration grades Z1V1 to Z3V3 ensure compatibility with noise-sensitive equipment, with ZV2 offering an optimal balance between performance and cost for motorcycle and automotive parts. As an unseparated radial bearing, it simplifies installation and maintenance, reducing downtime during replacements. The bearing's structural integrity supports both radial and axial loads, making it versatile across different vehicle systems.
Choosing genuine 6303 ZV2 Bearings over counterfeit alternatives eliminates hidden costs associated with frequent replacements, equipment damage, and production delays. Low-quality bearings often fail prematurely due to substandard materials and poor manufacturing tolerances, leading to costly repairs and unplanned downtime. Our bearings, backed by ISO9001 certification, undergo rigorous quality control to ensure consistent performance, ultimately lowering your total cost of ownership through extended service intervals and reduced maintenance needs.
With 18 years of experience serving global clients across Europe, America, and Southeast Asia, Jinan Saifan Bearing combines expertise with reliable service. Our ISO9001 and ISO14001 certifications validate our commitment to quality and environmental standards. We offer full OEM/ODM customization to meet specific application requirements, supported by a dedicated R&D team and quality control lab. Our 12-month global warranty ensures peace of mind, with free technical guidance and defect replacement available. We've built our reputation on stable supply chains and competitive pricing, making us the preferred partner for bearing brand owners, wholesalers, and industrial manufacturers worldwide.
Don't let bearing failures disrupt your operations. Whether you need a single replacement part or bulk supplies for production, we ensure prompt delivery and consistent quality. Send us your requirements with bearing designation, quantity, and application details, and our team will provide a tailored quote within 24 hours. Keep your equipment running smoothly with bearings designed for reliability.
Q: Are these bearings authentic?
A: We supply authentic NSK/INA bearings as part of our product range, with full traceability to ensure genuine quality. Our partnerships with leading manufacturers guarantee authenticity.
Q: How do I confirm if the 6303 ZV2 is suitable for my motorcycle?
A: Provide your motorcycle model, year, and specific application (e.g., transmission, wheel hub), and our technical team will verify compatibility based on load and speed requirements.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no additional cost.
Q: What is the minimum order quantity?
A: Standard items are available with a 1pc MOQ, ideal for emergency repairs or small-scale projects.
Q: How long does shipping take?
A: Samples ship within 3–5 days, while bulk orders deliver in 5–15 days. Shipping time varies by destination and selected transport method.
Q: Can you provide custom bearings with specific dimensions?
A: Yes, we offer full OEM/ODM customization services. Share your technical drawings or specifications, and our R&D team will develop a solution tailored to your needs.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
Master Sweden import duty thrust ball bearing costs by understanding that zero percent EU tariffs still incur twenty-five percent VAT. Avoid costly customs delays at Gothenburg port through accurate HS code 8482.50 classification and complete origin documentation to protect your distribution margins.
Read ArticleNavigate the Global Spherical Roller Bearing Market 2026 by addressing the structural divergence between wind energy precision and mining durability needs. Learn how quality control bottlenecks drive lead time volatility and why adopting mixed-brand sourcing strategies is essential for mitigating inventory risks in a fluctuating supply chain.
Read ArticleDiscover how China Deep Groove Ball Bearing Manufacturing Trends 2026 shift focus from price to reliability through advanced anti-corrosion packaging and strict batch consistency. Learn why moisture control and traceable steel sourcing are critical for reducing total cost of ownership in global exports.
Read ArticleOur R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.
