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Deep Groove Ball Bearing
Koyo NTN Timken 6309 6310 6311 Deep Groove Ball Bearing
Keep your machinery running smoothly with reliable Deep Groove Ball Bearing options designed for long life and high-speed performance. The Koyo NTN Timken 6309, 6310, and 6311 models deliver low noise operation and precise handling, ensuring minimal downtime and consistent results in your equipment.
- Precision-engineered with P0-P4 rating options and C0/C2/C3 clearance to meet exact application needs
- Grease or oil lubrication flexibility for versatile maintenance, paired with rich stock availability for quick fulfillment
- Single-row radial design with 0° contact angle optimizes load distribution, crafted from durable bearing steel for lasting reliability
- Available in 45*100*25mm, 50*110*27mm, and 55*120*29mm specifications to fit your specific machinery requirements
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Produktspezifikationen
| 6309, 6310, 6311 | |
| Specification | 45*100*25mm, 50*110*27mm, 55*120*29mm |
| Stock | Rich Stocks |
| Service | OEM, ODM |
| Transport | by Sea or by Air |
| Transport Package | Carton Pallet |
| HS Code | 8482102000 |
Anwendungseignung
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.
Wichtige technische Merkmale, die die Lebensdauer beeinflussen
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. Warum hochwertige Lager die Gesamtbetriebskosten senken
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. Qualität, auf die Sie sich verlassen können
Our production and inspection processes adhere to ISO 9001 standards, ensuring consistent quality. Raw materials undergo strict testing for chemical composition and hardness, while finished bearings are checked for dimensional accuracy, surface finish, and noise levels. We provide a warranty against manufacturing defects, with clear terms for replacement or refund. As a trusted supplier, we source from established manufacturers and offer a wide range of brands, including Koyo, NTN, and Timken, allowing you to choose the exact specification for your needs. Niedrige Mindestbestellmengen werden unterstützt, ideal für sowohl kleine Wartungsarbeiten als auch große Produktionsläufe
Holen Sie sich noch heute Ihr Angebot für Tiefgroove-Kugellager
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. Häufig gestellte Fragen Q: Do you supply other bearing brands or models besides those listed? A: Yes, we support inquiries for all bearing brands and models, including international brands like SKF, NSK, NACHI, and domestic Chinese brands. We can source and supply according to your specific brand or dimensional requirements. Q: How can I confirm if the 6309/6310/6311 bearing fits my equipment? A: Provide your equipment’s shaft diameter, housing bore diameter, and required width, or the original bearing part number. Our technical team will cross-verify dimensions and specifications to ensure compatibility. F: Wie lautet Ihre Garantiepolitik für diese Lager?
A: We offer a warranty against manufacturing defects. The warranty period and terms are specified in the sales contract, with options for replacement or refund in case of verified quality issues. F: Wie hoch ist die Mindestbestellmenge für diese Rillenkugellager?
A: We support low minimum order quantities, including single-unit purchases, making it suitable for both maintenance and small production needs. Q: How long does shipping take, and what transport methods are available? A: In-stock items ship within 1-2 business days. Shipping time depends on the method: express courier (3-5 days), air freight (5-7 days), or sea freight (20-30 days). We’ll recommend the most cost-effective option based on your location and urgency. Q: Can you provide OEM or ODM services for these bearings? Our engineers will respond within 12 hours with a tailored solution.
Packaging & Shipping
Product Summary
Get a Custom Quote
General Specifications
| Bearing Type | Deep Groove Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
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Koyo NTN Timken 6309 6310 6311 Deep Groove Ball Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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