Product Specifications
| Parameter |
Details |
| Model NO. |
6306 |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Lubrication |
Grease or Oil |
| 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 |
| Transport Package |
Carton Pallet |
| Specification |
30*72*19 mm |
| Trademark |
NTN/NSK/Koyo/NACHI/Timken |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Motorcycle |
Engine Components, Transmission Systems, Wheel Hubs |
Stop Motorcycle Downtime with Reliable 6306 Deep Groove Ball Bearings
Motorcycle maintenance teams often face unexpected delays when sourcing replacement bearings—either waiting weeks for cross-brand deliveries or discovering early failures from inconsistent quality. When a 6306 bearing fails, it’s not just a part replacement; it means halted operations, missed deadlines, and unnecessary repair costs piling up.
Genuine 6306 Bearings in Stock for Immediate Shipment
Our 6306 Deep Groove Ball Bearing, measuring 30x72x19mm, eliminates these frustrations. As an official distributor, we maintain rich stocks of Timken, NSK, Koyo, NTN, and NACHI 6306 bearings, ensuring you get the exact brand and specification you need without long lead times. Whether for routine maintenance or emergency repairs, our one-stop procurement process lets you secure all required bearings in a single order.
Optimal Performance in Motorcycle Applications
The 6306 Deep Groove Ball Bearing is engineered to thrive in motorcycle environments, handling radial loads and moderate axial loads at high speeds. Its non-aligning design ensures stability in tight engine compartments, while the 30x72x19mm dimensions fit standard motorcycle transmission and wheel hub assemblies. Whether navigating rough terrain or highway riding, this bearing maintains low noise operation and consistent performance under varying temperature conditions.
Technical Details That Ensure Longevity
Key technical features define the 6306 bearing’s reliability: Precision ratings from P0 to P2 allow customization for different tolerance requirements—P5 and P4 grades reduce vibration in high-speed applications, critical for motorcycle engines. Vibration classes Z1V1 to Z3V3 further minimize noise, enhancing rider comfort. The unseparated design simplifies installation, while bearing steel construction delivers durability against wear and impact. Available with grease or oil lubrication, it adapts to specific maintenance protocols, ensuring optimal performance throughout its service life.
Why Authentic Bearings Matter for Your Bottom Line
Choosing genuine Timken, NSK, Koyo, NTN, or NACHI 6306 bearings avoids the hidden costs of counterfeits. Unauthorized bearings often fail prematurely due to substandard materials, leading to repeated replacements, extended downtime, and potential damage to adjacent components. Our products adhere to strict ISO quality standards, verified through a unified inspection system, ensuring each bearing meets original equipment specifications. Over time, the reliability of authentic bearings reduces total maintenance costs and prevents unexpected operational interruptions.
Why Global Buyers Choose Our Bearing Solutions
As a dual-brand authorized distributor, we provide more than just products—we deliver peace of mind. Our cross-brand technical team supports 1,200+ clients across 55+ countries, offering expert选型 assistance to ensure you get the right bearing for your motorcycle application. Every order includes complete authorization documents and quality certification, eliminating compliance risks for international projects. With centralized inventory and global logistics, we handle mixed-brand orders efficiently, reducing your supplier management burden. Our ISO 9001 quality inspection system ensures consistent performance, backed by responsive after-sales support for any technical issues.
Packaging & Shipping
- Carton and pallet packaging for secure transport, protecting bearings from damage during transit
- Ready stock available for dispatch within 3-7 working days
- Flexible shipping options including sea and air freight to match your urgency
- Full logistics tracking provided for all shipments
- Minimum order quantity of 1 piece, ideal for both emergency repairs and bulk requirements
Get Your 6306 Bearing Delivered Fast
Don’t let bearing delays keep your motorcycles off the road. Send us your order details—including brand preference, quantity, and delivery location—and our team will process your request within one working day. With our large centralized inventory, we can prioritize urgent shipments to minimize your downtime.
Frequently Asked Questions
Q: Are these genuine brand bearings?
A: Yes, we are an official authorized distributor for Timken and other leading brands. Every bearing comes with complete authorization documents and can be traced back to the original manufacturer’s supply chain.
Q: How do I confirm if the 6306 30x72x19mm bearing fits my motorcycle?
A: Provide your motorcycle model or existing bearing specifications, and our technical team will verify compatibility free of charge to ensure proper fit and performance.
Q: What is the warranty policy for these bearings?
A: All products come with the manufacturer’s original warranty, covering manufacturing defects. We offer unconditional replacement for any bearing found to have quality issues under normal use.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency repair needs and large-scale procurement.
Q: How long does shipping take?
A: In-stock items are shipped within 3-7 working days. Shipping time depends on the method selected—air freight for urgent orders or sea freight for cost-effective bulk shipments.
Q: How can I verify the authenticity of the bearings?
A: Each bearing is supplied in original brand packaging with security labels. We also provide certification documents and can guide you through manufacturer-specific verification steps, such as checking laser markings or官网 verification codes.
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