Consultation
Technical needs assessment
Ensure your CNC machine tools maintain peak precision with our High Precision Deep Groove Ball Bearing solutions, designed to minimize vibration and extend operational life in critical manufacturing environments. As an officially authorized distributor, we deliver 100% authentic TIMKEN and NTN bearings—including the 6702-2RS (15×21×4 mm) and 6802-2RS models—with P4/P2 precision grades that meet strict ISO 9001 and DIN standards.
| Parameter | Details |
|---|---|
| Model NO. | 6702-2RS |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Service | OEM ODM |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Transport Package | Carton Pallet |
| Specification | 15×21×4 mm |
| Trademark | TIMKEN/KOYO/NTN |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Precision Actuators |
| Industrial Automation | Linear Guides, Robotic Arms, Servo Motors |
| Semiconductor Manufacturing | Wafer Handling Systems, Precision Stages |
| Medical Equipment | Diagnostic Imaging Devices, Surgical Tools |
CNC machine operators know the frustration of unexpected spindle failures—especially when replacement bearings take weeks to arrive or fail prematurely due to poor quality. Coordinating with multiple suppliers for different brands wastes valuable time, while inconsistent quality standards put your equipment accuracy at risk. When your production line is down, every hour counts.
Our High Precision Deep Groove Ball Bearings 6702-2RS and 6802-2RS solve these challenges with official brand authorization and ready stock of P4/P2 precision grade bearings. As a professional bearing engineering service provider, we ensure cross-brand compatibility and technical verification within one working day, so you can replace worn components without delays. These bearings are specifically designed for CNC machine tool spindles, where radial load capacity and precision rotation are critical.
These deep groove ball bearings excel in high-precision industrial scenarios requiring smooth rotation at varying speeds. With a contact angle of 0° and non-aligning design, they maintain stable performance under radial loads in CNC spindle applications. The 2RS seal provides effective grease retention and contaminant protection, making them suitable for both oil and grease lubrication systems common in machine tool environments. Whether your equipment operates in clean rooms or shop floors, these bearings deliver consistent precision.
The 15×21×4 mm specification (bore diameter × outside diameter × width) offers compact dimensions ideal for space-constrained spindle assemblies. Precision ratings up to P2 ensure minimal radial runout, critical for maintaining machining accuracy. Vibration classes Z1V1 to Z3V3 allow selection based on noise sensitivity—Z3V3 for ultra-quiet operation in precision grinding applications. The bearing steel construction provides durability under continuous operation, while the unseparated design simplifies installation and reduces maintenance complexity. These technical details directly translate to longer tool life and better surface finishes on your machined parts.
Counterfeit bearings often cut corners on material quality and manufacturing tolerances, leading to premature failure. A single spindle breakdown can cost thousands in lost production—not counting repair parts and labor. Our TIMKEN NTN bearings come with full authorization certificates and traceable quality documentation, ensuring compliance with ISO 9001 and DIN standards. By investing in genuine high precision bearings, you reduce the risk of unplanned downtime and extend the service life of your CNC equipment, ultimately lowering total operational costs.
With official brand authorization from TIMKEN, NTN, and other leading manufacturers, we guarantee 100% authentic products backed by comprehensive quality inspection. Our senior application engineering team brings on-site project experience to help you select the right bearing for your specific CNC model and operating conditions. We serve over 800 clients across 45 countries, providing standardized precision testing and shockproof logistics to preserve bearing accuracy during transportation. From technical consultation to after-sales support, you'll have a dedicated single point of contact for all your bearing needs.
Don't let bearing issues slow down your production. Send us your bearing model (6702-2RS or 6802-2RS), CNC machine details, and required quantity today. Our team will verify compatibility and provide a quotation within 24 hours, ensuring you get the right bearings when you need them most.
Q: Are these genuine TIMKEN and NTN bearings?
A: Yes, we are an officially authorized distributor, and every bearing comes with full brand authorization certificates for traceability to the original manufacturer.
Q: How do I confirm if the 6702-2RS bearing fits my CNC spindle?
A: Provide your CNC machine model or spindle specifications, and our engineering team will verify compatibility and recommend the appropriate precision grade based on your operating conditions.
Q: What is the warranty policy for these bearings?
A: All bearings come with the manufacturer's standard warranty, covering manufacturing defects with unconditional replacement if issues arise during normal use.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency repairs or small-batch maintenance requirements.
Q: How quickly can you ship the 6702-2RS bearing?
A: Most precision grades are in stock and ship within 3-7 working days via your preferred logistics provider.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing includes original packaging with brand-specific holographic labels and serial numbers, which can be verified through the manufacturer's official website. We also provide complete certification documentation with every order.
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Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Our 5-step process ensures every order is engineered, validated, and supported for optimal performance.
Technical needs assessment
Custom specifications
Free samples for $50k+
Pre-shipment inspection
On-site & predictive
Our certified engineers respond within 24 hours with detailed technical specifications, pricing, and lead time information.