Product Specifications
| 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 |
Application Industries
| Industry |
Typical Equipment |
| Automotive |
Truck Parts, Engine Components, Wheel Hubs |
| Motorcycle |
Transmission Systems, Wheel Assemblies |
| Industrial Machinery |
Electric Motors, Pumps, Conveyors |
Eliminate Downtime with High Speed Deep Groove Ball Bearing 6303 ZV2 for Motorcycle & Automotive
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.
High Speed Deep Groove Ball Bearing 6303 ZV2: Engineered for Reliability
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.
Optimal Performance in Demanding Conditions
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.
Technical Specifications That Matter
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.
Why Quality Bearings Reduce Total Cost
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.
Your Trusted Bearing Partner Since 2005
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.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days after order confirmation
- Multiple transport options: sea freight for large orders, air freight for urgent requirements
- 1pc MOQ available for standard items, supporting emergency replacement needs
Get Your 6303 ZV2 Bearing Today
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.
Frequently Asked Questions
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.
