Koyo NTN Timken 6309 6310 6311 Deep Groove Ball Bearing

Product Specifications

Application Suitability

Tired of Bearing Failures? Get Reliable 6309, 6310, 6311 Deep Groove Ball Bearings

Choosing the right deep groove ball bearing can be frustrating. Many buyers face issues like early wear from poor material quality, incorrect clearances causing excess noise, or long lead times from limited suppliers. When downtime hits because of a failed bearing, the costs add up quickly—repairs, lost production, and emergency replacements.

Engineered for Dependable Performance in Critical Applications

Our deep groove ball bearings address these challenges with proven design and quality. Available in models 6309, 6310, and 6311, these bearings feature high-speed capabilities and low noise operation, making them ideal for precision machinery. With ISO 9001 certified production processes, we ensure each bearing meets strict dimensional and hardness standards. Whether you need a single unit or bulk order, our rich stock ensures quick delivery, supporting both OEM requirements and urgent maintenance needs.

Optimal Performance in High-Speed, Radial Load Environments

These deep groove ball bearings excel in applications with radial loads and moderate axial loads, operating efficiently at high speeds. The 0° contact angle design ensures uniform load distribution, while precision ratings from P0 to P4 allow customization for applications requiring tight tolerances. Suitable for temperatures ranging from -30°C to 120°C (with appropriate lubrication), they perform reliably in both indoor industrial settings and outdoor machinery.

Key Engineering Features That Impact Longevity

The bearing steel construction provides excellent wear resistance and fatigue strength, extending service life under continuous operation. Clearance options (C0, C2, C3) allow adaptation to thermal expansion conditions—C3 clearance, for example, is ideal for high-temperature environments where shaft expansion occurs. Precision ground raceways reduce friction and vibration, critical for low-noise applications like electric motors. The unseparated design simplifies installation and ensures consistent performance, even in machinery with moderate misalignment.

Why Quality Bearings Reduce Total Cost of Ownership

Investing in quality deep groove ball bearings lowers long-term costs. Inferior bearings often fail prematurely due to substandard steel or imprecise manufacturing, leading to unexpected downtime. Our bearings, with their long life and high load capacity, minimize replacement frequency. Proper lubrication (grease or oil) further extends service intervals, reducing maintenance labor. By choosing the right precision class and clearance, you avoid issues like excessive heat generation or shaft damage, protecting your equipment investment.

Quality You Can Rely On

Packaging & Shipping

• Packaged in sturdy cartons on pallets to prevent damage during transit
• Rich stock availability ensures same-day or next-day dispatch for urgent orders
• Flexible shipping options including sea freight for bulk orders and air freight for time-sensitive deliveries
• Low minimum order quantity supported, ideal for both small-scale maintenance and large production runs

Get Your Deep Groove Ball Bearing Quote Today

Whether you need the 6309, 6310, 6311, or other deep groove ball bearing models, we can help. Provide your required model, quantity, and delivery location, and our team will respond with competitive pricing and lead time. With our extensive inventory and global sourcing network, we ensure you get the right bearing when you need it.

Frequently Asked Questions