-- SKF Authorized Engineering Partner
Ensure smooth, long-lasting performance for your electrical tools with our precision-engineered Koyo Deep Groove Ball Bearing. Designed to minimize friction and reduce operational noise, these bearings deliver reliable power transmission even under continuous use, so you can focus on the job without interruptions.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | 7028AC 7038AC |
| Separated | Customized |
| Rows Number | Customized |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Product Name | NTN/NSK/Koyo/NACHI/Timken Roller Bearing |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM ODM |
| Specification | Customized |
| Trademark | NTN/NSK/KOYO/NACHI/TIMKEN |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Electrical Tools | Power drills, grinders, sanders, and other handheld power equipment requiring smooth radial load handling |
Sourcing the right bearings for electrical tools often means wading through confusing model numbers, questionable quality, and limited supplier options. A mismatched bearing can lead to premature tool failure, while low-grade materials cause excessive noise and vibration during operation. Finding a single supplier that handles both international brands and custom specifications can save hours of cross-referencing and multiple purchase orders.
Our Koyo 6256, 6260, and 6264 deep groove ball bearings address these challenges with precision-engineered solutions. Manufactured from high-grade bearing steel and following international dimensional standards, these bearings deliver long life, high-speed rotation, and low noise—critical for electrical tools that demand reliability. With ISO 9001-certified production processes and access to a full range of brands including Koyo, NSK, and NTN, we simplify procurement whether you need standard models or customized specifications.
These deep groove ball bearings excel in radial load applications, making them ideal for the rotating components of electrical tools. Designed to handle high speeds without compromising stability, they perform reliably in temperatures typical of power tool operation. The low vibration ratings (Z1V1 to Z3V3) ensure smooth tool operation, reducing user fatigue and improving work accuracy. Whether used in professional-grade drills or industrial grinders, their robust construction minimizes downtime from bearing failure.
The precision rating options (P0 to P2) allow selection based on tool requirements—from general-purpose tools (P0) to high-precision equipment (P2) where minimal runout is essential. Bearing steel construction provides the hardness needed to resist wear under continuous use, while the deep groove design accommodates both radial and axial loads, a common requirement in compact tool assemblies. Vibration class Z3V3 models further enhance performance in noise-sensitive applications, meeting the demands of professional users who rely on quiet operation.
Investing in quality bearings reduces long-term expenses by minimizing tool breakdowns and replacement cycles. A bearing with substandard material or imprecise dimensions may cost less upfront but can cause motor damage or uneven operation, leading to costly repairs. Our bearings, tested for dimensional accuracy and hardness, align with ISO standards to ensure compatibility and performance. By selecting the appropriate precision class and vibration rating upfront, you avoid the hidden costs of premature tool failure and maintenance disruptions.
Our commitment to quality starts with rigorous raw material inspection and continues through成品尺寸 and hardness testing. All bearings undergo surface treatment checks to ensure corrosion resistance, and we provide a warranty against manufacturing defects. With a wide network of suppliers, we can source both major brands and custom-made bearings to your exact specifications. Our现货库存 ensures quick turnaround, so you can keep production or repairs on schedule without delays.
Whether you need standard Koyo deep groove ball bearings or custom specifications for electrical tools, provide your required model, quantity, and delivery location, and we’ll deliver a competitive quote. With access to all major brands and OEM/ODM capabilities, we handle your entire bearing procurement process efficiently—no need to manage multiple suppliers.
Q: Do you supply bearings from other brands besides Koyo?
A: Yes, we support procurement of bearings from all major international brands including SKF, NSK, NTN, NACHI, IKO, FAG, Timken, and domestic Chinese brands, as well as custom-made options.
Q: How can I confirm if these bearings fit my specific electrical tool model?
A: Provide the tool’s make, model, or the required bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the Koyo 6256, 6260, 6264 series or recommend suitable alternatives.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. Specific terms are outlined in each order contract, covering issues such as material flaws or dimensional inaccuracies.
Q: What is the minimum order quantity for these Koyo bearings?
A: We offer low minimum order quantities to support both small-scale repairs and large production runs. Contact us with your requirements for exact details.
Q: How long does shipping take, and what methods are available?
A:现货 items ship within 1-3 business days. Shipping options include express courier (3-5 days), air freight (5-7 days), or sea freight (20-30 days), depending on your location and urgency.
Q: Can you produce custom bearings with specific dimensions or features?
A: Yes, we support OEM/ODM services. Provide your technical drawings or specifications, and we can manufacture bearings tailored to your application 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 on our website.
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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.
Regarding: Koyo 6256 6260 6264 Deep Groove Ball Bearing for Electrical Tools
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