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Ensure smooth, high-precision operation of your CNC machine tools with our Deep Groove Ball Bearing series (6702-2RS, 6802-2RS, 6902-2RS) engineered to P4 precision standards. These single-row radial bearings deliver exceptional radial load capacity and minimal vibration (Z1V1 to Z3V3 options) for consistent performance in critical machining applications.
| 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 Machining Centers |
| Industrial Automation | Robotic Arms, Linear Motion Systems, Servo Motors |
| Semiconductor Manufacturing | Wafer Processing Equipment, Precision Conveyors |
| Medical Equipment | Diagnostic Machinery, Surgical Tools |
| Aerospace | Avionics Components, Precision Actuators |
CNC machine operators know the frustration of unexpected spindle failures—especially when caused by low-quality bearings. A single hour of downtime can cost thousands in lost production, while mismatched precision grades lead to poor surface finishes and tool wear. Sourcing multiple bearing models from different suppliers only adds coordination delays and quality inconsistencies.
Our Deep Groove Ball Bearings with P4 precision rating are engineered to meet the strict demands of CNC machine tool spindles. With 100% authentic TIMKEN, KOYO, and NTN products in ready stock, we eliminate the 4-6 week lead times common with direct brand purchases. Each bearing undergoes standardized precision testing before shipment, ensuring dimensional accuracy (15×21×4 mm for 6702-2RS) and vibration levels (Z1V1 to Z3V3) that match your machine's specifications.
These single-row radial bearings excel in high-rotation scenarios typical of CNC spindles, where contact angle 0° design enables efficient radial load handling. The 2RS seal configuration provides effective grease retention and contamination resistance—critical for maintaining precision in metalworking environments with coolant mist and debris. Whether your machine operates at moderate speeds or pushes toward maximum RPM, the bearing steel construction ensures consistent performance under continuous duty cycles.
Precision rating P4 (ISO 492) delivers tighter tolerances for radial runout (≤3 μm) and axial play, directly translating to improved workpiece precision. The unseparated design eliminates cage misalignment risks during high-speed operation, while vibration class Z3V3 options reduce noise and resonance—essential for achieving mirror-finish machining results. For applications requiring frequent start-stop cycles, the grease lubrication option minimizes friction torque, extending both bearing life and maintenance intervals.
Counterfeit bearings often fail within 3-6 months in CNC applications, leading to emergency repairs, scrapped parts, and unplanned downtime. Our officially authorized products come with full traceability documentation, ensuring compliance with ISO 9001 and DIN quality standards. While initial costs may be higher than non-genuine alternatives, the extended service life (typically 2-3 times longer) and reduced maintenance requirements result in lower total cost of ownership over your machine's lifecycle.
As a premium bearing distributor serving 800+ clients across 45 countries, we maintain sufficient P4/P2 precision grade inventory for rapid delivery. Our senior application engineering team provides free pre-purchase technical verification, ensuring you select the correct bearing (6702-2RS, 6802-2RS, or 6902-2RS) for your specific CNC model. Every shipment includes shockproof packaging to preserve precision during transit, supported by a dedicated single point of contact for all post-delivery technical support.
Don't let bearing issues delay your production schedule. Send us your CNC machine model, required bearing designation (6702-2RS, 6802-2RS, or 6902-2RS), and quantity—our team will confirm stock availability and provide a quotation within one working day. With same-day processing for urgent orders, we help you minimize spindle downtime and maintain machining precision.
Q: Are these bearings 100% genuine TIMKEN/KOYO/NTN products?
A: Yes, we are an officially authorized distributor with full brand certification. Every bearing comes with original packaging and traceability documentation to verify authenticity.
Q: How do I confirm if the 6702-2RS bearing fits my CNC spindle?
A: Provide your machine model or spindle specifications (bore diameter, outer diameter, width) to our engineering team for free compatibility verification. We also offer technical drawings for dimensional confirmation.
Q: What is your warranty policy for precision bearings?
A: All bearings are covered by the original manufacturer's warranty against manufacturing defects. We provide full support for warranty claims and replacement processing.
Q: Can I order a single bearing for emergency repair?
A: Yes, we accept orders of 1 piece with no minimum quantity requirements, specifically to support urgent maintenance needs.
Q: How quickly can you ship to Germany?
A: In-stock bearings ship within 24 hours and typically arrive in Germany within 3-5 business days via DHL express delivery.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing includes brand-specific anti-counterfeit labels with QR codes or serial numbers that can be verified through the manufacturer's official website. We also provide copies of our authorization certificates upon request.
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.