China Factory 6004 6203 6205 6310/C3 Deep Groove Ball Bearing
Keep your machinery running smoothly with reliable performance from our China Factory Deep Groove Ball Bearing series. These precision-engineered bearings reduce friction and minimize downtime, ensuring your equipment operates at peak efficiency when you need it most.
- Available in key sizes 6004, 6203, 6205, and 6310/C3 to fit common industrial applications
- Engineered with C3 clearance for enhanced thermal expansion tolerance in high-temperature environments
- Durable construction delivers consistent rotation and extended service life, lowering maintenance costs over time
Looking for Reliable Deep Groove Ball Bearings? Here’s What Matters
When sourcing deep groove ball bearings like 6004, 6203, 6205, or 6310/C3, buyers often face frustrating challenges: incompatible dimensions across brands, unexpected early wear from poor material quality, and the hassle of coordinating with multiple suppliers for different models. These issues don’t just waste time—they lead to costly equipment downtime and maintenance delays.
Built for Consistent Performance Across Applications
Our deep groove ball bearings address these pain points through ISO 9001-certified manufacturing processes and a comprehensive product range that includes the 6004, 6203, 6205, and 6310/C3 models. As a specialized bearing supplier with access to both our own brand and international standards, we offer interchangeable dimensions that align with major industry specifications, ensuring seamless integration into your existing systems. Whether for工程机械 gearboxes, automation equipment, or hydraulic pumps, these bearings deliver reliable rotational performance with minimal friction.
Where This Bearing Performs Best
Deep groove ball bearings excel in applications requiring high radial load capacity and moderate axial loads, such as electric motors, conveyors, and automotive components. The 6310/C3 variant, with its increased internal clearance, is particularly suited for operating environments with temperature variations or shaft expansion, common in steel冶金 and矿山 machinery. Proper clearance selection prevents premature failure due to thermal stress, making it critical to match the bearing to your specific operating conditions.
Engineering Details That Matter
The performance of these deep groove ball bearings hinges on precise engineering:
– **Material Hardness**: High-carbon chromium steel (SUJ2) construction ensures surface hardness of 58-62 HRC, resisting wear under continuous operation.
– **Dimensional Tolerance**: Manufactured to ISO precision classes (P0/P6), these bearings meet tight radial and axial runout requirements for smooth, vibration-free rotation.
– **C3 Clearance**: The 6310/C3 model features radial clearance larger than standard (C0), accommodating thermal expansion in high-temperature applications up to 120°C.
– **Dynamic Load Rating**: Engineered to handle dynamic loads (C) ranging from 9.5 kN (6004) to 62 kN (6310), ensuring long service life under rated conditions.
Why Bearing Selection Affects Total Cost
Choosing the right deep groove ball bearing directly impacts your total cost of ownership. Inferior bearings with substandard material hardness or imprecise dimensions often fail early, leading to unplanned maintenance, production downtime, and potential damage to adjacent components. Our bearings, backed by rigorous raw material and成品检验, reduce these risks by delivering consistent performance over extended periods. By investing in quality upfront, you avoid the hidden costs of frequent replacements and operational disruptions.
Quality You Can Rely On
Our commitment to quality is embedded in every step of production:
– ISO 9001-certified manufacturing and inspection processes ensure compliance with international standards.
– Raw materials undergo strict chemical composition and metallurgical testing before production.
– Finished bearings are inspected for dimensional accuracy, surface finish, and hardness to eliminate defects.
– We offer a warranty period covering manufacturing defects, providing peace of mind for your investment.
– With extensive stock availability, we support both small-batch and large-volume orders with flexible delivery options.
Packaging & Shipping
- Neutral industrial packaging with anti-rust protection, suitable for long-term storage and international shipping.
- Ready stock for standard models, enabling same-day or next-day dispatch for urgent orders.
- Multiple logistics options including express courier (DHL/FedEx), air freight, and sea freight to meet your delivery timeline.
- Low minimum order quantity (MOQ) to support small-scale trials and prototyping needs, with volume discounts available for bulk purchases.
Request a Quote for Your Bearing Requirements
Whether you need 6004, 6203, 6205, 6310/C3, or other deep groove ball bearing models, we can provide competitive pricing and technical support. Simply share your required model, dimensions (d x D x B), quantity, and application details, and our team will assist with product selection and availability. The sooner you confirm your needs, the sooner we can arrange shipping to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands or only your own?
A: We offer a full range of options, including our own brand and access to international and domestic brands. We can source specific models as per your brand or standard requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the bearing dimensions (inner diameter d, outer diameter D, width B), and our technical team will verify compatibility with industry standards.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. The specific period is detailed in our sales contract, and defective products can be replaced or refunded per our terms.
Q: What is the minimum order quantity for these deep groove ball bearings?
A: We support low MOQ, starting from small quantities for trial orders, with flexible pricing for larger volumes.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship within 1-2 business days. We offer express courier (3-5 days), air freight (5-7 days), and sea freight (3-4 weeks) based on your location and urgency.
Q: Can you customize bearings according to specific requirements?
A: Yes, we support OEM/ODM customization for dimensions, materials, and special features like seals or lubrication, based on your technical drawings or specifications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or inquiry form for prompt assistance.
- Product Name
- China Factory 6004 6203 6205 6310/C3 Deep Groove Ball Bearing
- Category
- Angular Contact Ball Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Angular Contact 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 |
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.
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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.
The engineering partner advantage
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China Factory 6004 6203 6205 6310/C3 Deep Groove Ball Bearing
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