Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6256, 6260, 6264 |
| Bearing Type | Deep Groove Ball Bearing |
| Specification | 280×500×80mm, 300×540×85mm, 320×580×92mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Clearance | C0, C2, C3 |
| Contact Angle | 0° |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Feature | Long Life, High Speed, Low Noise |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Electrical Tools | Power transmission systems, rotating components |
Struggling with Deep Groove Ball Bearing Selection for Electrical Tools? Key Factors to Consider
Electrical tool manufacturers often face challenges with bearing failures due to incorrect clearance or precision等级, leading to unexpected downtime and increased maintenance costs. Sourcing multiple bearing models from different suppliers can also complicate inventory management and delay production schedules.
Engineered for Reliable Performance in Electrical Tools
The Koyo 6256, 6260, and 6264 deep groove ball bearings address these issues with their long life, high-speed capability, and low noise operation—critical features for power tools where smooth performance and durability are essential. Our ISO 9001-certified supply chain ensures consistent quality, while rich stock availability means you can secure the exact models you need without unnecessary delays.
Optimal Performance in High-Speed Rotating Applications
These bearings excel in electrical tools operating at high rotational speeds, such as drills, grinders, and saws. With a contact angle of 0°, they efficiently handle radial loads, while the single-row design balances load capacity and compactness—ideal for space-constrained tool housings. The choice of C0/C2/C3 clearance allows customization based on thermal expansion requirements, preventing premature wear in varying operating conditions.
Technical Specifications That Impact Tool Longevity
The bearing steel construction provides excellent hardness and wear resistance, ensuring extended service life even under continuous use. Precision ratings from P0 to P4 allow selection based on tool accuracy needs—higher precision grades (P4/P5) reduce vibration in high-torque applications, while P0 offers cost-effective reliability for general-purpose tools. Proper lubrication (grease or oil) further enhances performance; oil lubrication suits high-speed scenarios, while grease simplifies maintenance in sealed tool designs.
Total Cost of Ownership: Why Quality Bearings Matter
Choosing substandard bearings may reduce upfront costs, but frequent replacements, tool downtime, and potential damage to adjacent components often lead to higher long-term expenses. These Koyo deep groove ball bearings, with their strict material and dimensional controls, minimize failure risks. Following ISO 281 fatigue life standards, they provide predictable performance, helping you calculate maintenance intervals and avoid unplanned production stops.
Quality Assurance You Can Trust
Our supply chain adheres to ISO 9001 standards, with comprehensive inspections covering raw material quality,成品尺寸, hardness, and surface treatment. We offer a warranty against manufacturing defects, ensuring you receive bearings that meet specified performance criteria. With access to both international brands like Koyo and domestic alternatives, we can source according to your brand preferences or cost requirements, providing flexibility in procurement.
Packaging & Shipping
- Packaged in carton pallets for secure transportation
- Rich stocks available for immediate dispatch
- Transport options include sea freight for bulk orders and air freight for urgent requirements
- Low minimum order quantities supported, suitable for both small-scale repairs and large production runs
Get Your Koyo Deep Groove Ball Bearing Quote Today
Whether you need the 6256, 6260, 6264, or other deep groove ball bearing models, we can provide competitive pricing and fast delivery. Share your required model, quantity, and destination, and our team will prepare a tailored quote to meet your timeline and budget.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides Koyo?
A: Yes, we offer a wide range of international brands including SKF, NSK, NTN, NACHI, IKO, FAG, Timken, as well as domestic优质 brands. We can source according to your specific brand requirements.
Q: How can I confirm if these bearings fit my electrical tool?
A: Provide the tool model or existing bearing dimensions (inner diameter d, outer diameter D, width B), and our technical team will verify compatibility with the 6256, 6260, or 6264 specifications.
Q: What warranty do you offer on these bearings?
A: We provide a warranty against manufacturing defects. The exact terms are specified in our sales contract, ensuring coverage for material or workmanship issues.
Q: What is the minimum order quantity for these Koyo bearings?
A: We support low minimum order quantities, allowing you to order small batches for maintenance or larger volumes for production, depending on your needs.
Q: How quickly can you ship the bearings after ordering?
A: With rich stocks available, we can dispatch orders promptly. Shipping time depends on the chosen method—air freight typically takes 3-7 days, while sea freight varies by destination.
Q: Do you offer OEM or ODM services for bearings?
A: Yes, we support OEM and ODM customization. You can provide drawings or specifications, and we will manufacture bearings to your exact 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 phone for immediate assistance.







