Koyo 6202 6203 6204 Deep Groove Ball Bearing for Electric Fan
Keep your electric fan running smoothly and quietly with the reliable Koyo Deep Groove Ball Bearing, designed to reduce friction and extend motor life. This precision-engineered bearing (Model 6203) handles both radial loads and minor axial forces, ensuring consistent performance even in continuous operation.
- Available with Zz, 2RS, or Open seals to suit your fan's dust and moisture protection needs
- Precision ratings from P0 to P2 and vibration classes Z1V1 to Z3V3 for tailored smoothness
- Grease or oil lubrication options let you customize maintenance for long-term reliability
- Compact 17*40*12 mm size fits most standard fan motor assemblies, making replacement straightforward
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6203 |
| Bearing Type | Deep Groove Ball Bearing |
| Seals Type | Zz 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Specification (d x D x B) | 17*40*12 mm |
| Trademark | KOYO |
| Origin | Japan |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Household Appliances | Electric Fan Rotor Assemblies |
| Automation Equipment | Small Motor Shaft Support |
Finding the Right Deep Groove Ball Bearing? Key Factors for Electric Fan Applications
Selecting the correct bearing for electric fans often means balancing precision, durability, and cost. Many buyers face challenges with mismatched dimensions leading to installation delays, or low-quality bearings that fail prematurely with excessive noise or vibration. Sourcing from multiple suppliers for different brands only adds complexity to the procurement process.
Engineered for Reliable Performance in Electric Fans
This Koyo 6203 deep groove ball bearing addresses these pain points through its adherence to international dimensional standards and compatibility with major bearing systems. With ISO 9001 compliant manufacturing processes and access to a full range of brands including SKF, NSK, and NTN, we provide a one-stop solution for bearing procurement. The 17x40x12 mm specification is commonly used in electric fan motor assemblies, ensuring easy integration into existing designs.
Optimal Performance in Moderate Load, High-Speed Environments
Designed primarily for radial load applications, this bearing operates efficiently in electric fan environments where rotational speeds are high and axial loads are minimal. The non-aligning design requires proper shaft alignment during installation, while the unseparated construction ensures structural integrity under continuous operation. The Zz, 2RS, and Open seal options accommodate different dust and moisture protection needs, making it suitable for both indoor and covered outdoor fan units.
Critical Engineering Features for Longevity
The bearing steel material provides excellent hardness and wear resistance, crucial for withstanding the continuous rotational stress in electric fans. Precision ratings from P0 to P2 allow selection based on application requirements—P0 for general-purpose fans and higher grades like P5 for precision-balanced motor systems. Vibration classes Z1V1 to Z3V3 further ensure smooth operation, with Z3V3 offering the lowest vibration levels for quiet fan performance. Grease or oil lubrication flexibility allows adaptation to specific operating temperature ranges and maintenance schedules.
Total Cost of Ownership: Why Quality Matters
Choosing a precision-engineered bearing like the Koyo 6203 reduces long-term costs compared to inferior alternatives. Early bearing failure can lead to fan motor damage, unplanned downtime, and replacement labor expenses. This bearing’s robust construction and quality materials align with ISO 281 fatigue life standards, ensuring extended service intervals. The availability of multiple seal types also minimizes maintenance needs—2RS seals, for example, retain lubrication longer, reducing the frequency of re-lubrication in hard-to-reach fan installations.
Verified Quality and Supply Chain Reliability
Our commitment to quality is backed by ISO 9001 certified production and inspection processes. Each bearing undergoes dimensional accuracy checks, surface hardness testing, and visual surface treatment inspections before shipping. We offer a standard warranty against manufacturing defects, with clear terms for returns and replacements. With extensive现货库存 (ready stock) and low minimum order quantities, we support both small-scale repairs and large-volume production needs. Our supply chain includes direct access to international brands and domestic manufacturers, ensuring we can source even hard-to-find models.
Packaging & Shipping
- Standard packaging: Carton and pallet for bulk orders
- Ready stock available for immediate dispatch
- Flexible shipping options: Express courier, air freight, or sea freight
- Low minimum order quantity supported for small-scale requirements
Get a Quote for Your Koyo 6203 Bearing Requirement
Whether you need the Koyo 6203 or other deep groove ball bearing models (6202, 6204, etc.), provide your required quantity, seal type, and precision class, and we’ll deliver a competitive quote with lead time. Our team can also assist with cross-referencing other brands to find the right fit for your application. The sooner you confirm your requirements, the faster we can arrange shipment.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides Koyo?
A: Yes, we support procurement of all major international brands (SKF, NSK, NTN, NACHI, IKO, FAG, Timken) and domestic Chinese brands, as well as custom specifications.
Q: How can I confirm if this 6203 bearing fits my electric fan?
A: Provide your fan motor’s shaft diameter, housing bore size, and required width, and our technical team will verify compatibility with the 17x40x12 mm dimensions.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are detailed in each sales contract.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum orders, including small quantities for maintenance or prototyping needs.
Q: How long does shipping take for in-stock items?
A: In-stock bearings are shipped within 1-3 business days. Delivery time depends on the chosen shipping method and destination.
Q: Can you provide OEM or ODM services for bearings?
A: Yes, we support OEM/ODM customization based on customer-provided drawings, specifications, or sample requirements.
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
- Koyo 6202 6203 6204 Deep Groove Ball Bearing for Electric Fan
- Category
- Deep Groove 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 | 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 |
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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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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Koyo 6202 6203 6204 Deep Groove Ball Bearing for Electric Fan
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