-- SKF Authorized Engineering Partner
Keep your fan running smoothly and quietly with the reliable Koyo Deep Groove Ball Bearing, designed to deliver long-lasting performance even under continuous use. This precision-engineered bearing minimizes friction to reduce noise and extend your fan’s lifespan, solving the common frustration of frequent replacements.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
Produktdaten
Parameter
Details
Modellnummer
Produktname
Radnabenlager
Technische Daten
25*52*42 mm
Material
Lagerstahl
Lastrichtung
Radiallager
Anzahl der Zeilen
Doppelt
Getrennt
Nicht getrennt
Schmierung
Fett oder Öl
Präzisionsbewertung
P0 P6 P5 P4 P2 Vibration
Funktion
Lange Lebensdauer, hohe Drehzahl, geräuscharm
Marke
BDL
Herkunft
China
HS-Code
8482109000
Anwendungsgeeignetheit
Industrie
Typische Anwendungen
Automobilindustrie
Radnabenbaugruppen
Selecting the right deep groove ball bearing for fans often means navigating mismatched dimensions, questionable material quality, and limited brand options. Many buyers face unexpected downtime when bearings fail prematurely due to poor precision or inadequate load capacity, forcing costly replacements and production delays. The Koyo 6202, 6203, and 6204 deep groove ball bearings address these challenges through ISO 9001-certified manufacturing processes and strict quality controls. With a focus on long life, high-speed operation, and low noise—key requirements for fan systems—these bearings ensure reliable performance in continuous-duty applications. Our extensive inventory includes both these Koyo models and compatible alternatives across major brands, eliminating the need for multiple supplier inquiries. Designed specifically for radial load environments like fan assemblies, these bearings handle the consistent rotational forces and moderate speeds typical in HVAC, industrial ventilation, and cooling systems. The double-row construction enhances radial load capacity, while precision ratings from P0 to P2 allow customization based on application tolerance requirements. Whether operating in standard ambient conditions or moderate temperature variations, the bearing steel construction maintains structural integrity and wear resistance. The 25*52*42 mm specification balances compact size with load-bearing capability, making it suitable for space-constrained fan housings. Vibration classes Z1V1 to Z3V3 directly impact noise levels—choosing the appropriate vibration grade ensures quiet operation, a critical factor in residential and office environments. The unseparated design simplifies installation and maintenance, while dual lubrication options (grease or oil) provide flexibility based on operating speed and temperature. Precision machining of raceways and rolling elements minimizes friction, directly contributing to the long service life highlighted in the product features. Choosing a precision deep groove ball bearing reduces long-term costs by minimizing downtime and replacement frequency. Inferior bearings often fail due to material fatigue or imprecise dimensions, leading to fan imbalance, increased energy consumption, and potential damage to motor shafts. By adhering to international dimensional standards and material specifications, the Koyo 6202-6204 series ensures interchangeability and predictable performance, aligning with ISO 281 fatigue life calculations for reliable service. The initial investment in quality translates to lower maintenance costs and extended equipment lifespan. Our manufacturing and testing processes meet ISO 9001 standards, including raw material inspection for bearing steel composition and hardness testing of finished components. Each bearing undergoes dimensional verification to ensure compliance with specified tolerances, and we provide a warranty against manufacturing defects. With rich stocks available for immediate shipment, we support both small-scale repairs and large-volume production needs. Our ability to source across brands—including Koyo, SKF, NSK, and others—means you get the right bearing for your fan application without brand limitations. Verpackt in Kartons mit Palettenoptionen für Großbestellungen
Whether you need Koyo 6202, 6203, 6204, or alternative deep groove ball bearings for fan applications, provide your required model, quantity, and destination for a detailed quote. Our technical team can assist with cross-referencing if you need alternatives to existing bearings, ensuring compatibility and performance. The sooner you confirm your requirements, the faster we can arrange shipment from our available inventory. Häufig gestellte Fragen
Q: Can you supply other bearing brands or models besides Koyo? A: Yes, we support inquiries for all major international and domestic brands, including SKF, NSK, NTN, NACHI, IKO, FAG, Timken, and others, as well as custom specifications. Q: How do I confirm if this bearing fits my fan equipment? A: Provide your current bearing model number or key dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with your application. F: Wie lauten Ihre Garantiebedingungen für diese Lager?
A: We offer a warranty against manufacturing defects. Specific terms and duration are outlined in each sales contract, covering replacement or refund for verified quality issues. Q: What is the minimum order quantity for Koyo 6202/6203/6204 bearings? A: We maintain low minimum order quantities to support both small repairs and large production runs. Contact us with your specific needs for exact MOQ details. F: Wie schnell können Sie die Ware nach der Bestellung versenden?
A: Most standard models, including Koyo 6202, 6203, and 6204, are in stock and ship within 1-3 business days. Shipping time depends on your location and chosen delivery method. F: Bieten Sie OEM- oder ODM-Dienstleistungen für kundenspezifische Lager an?
A: Yes, we support OEM and ODM customization based on client-provided drawings, specifications, or sample requirements for specialized applications. Ready to order or need a quote?
Dac42780041/38
Z1V1 Z2V2 Z3V3
Struggling with Fan Bearing Reliability? Koyo 6202 6203 6204 Series Delivers Consistent Performance
Engineered for Fan Applications: Balancing Speed, Noise, and Durability
Optimal Performance in Fan Operating Conditions
Critical Engineering Features for Fan Systems
Total Cost of Ownership: Why Quality Bearings Matter for Fans
Verified Quality for Confident Sourcing
Packaging & Shipping
Get Your Fan Bearing Quote Today
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Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
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