Authentic FAG QR Verification — Scan the official manufacturer app code on each box to confirm the exact P5 tolerance batch for your air compressor.
Technical Specifications
| Parameter | Value |
| Designation | FAG 6002-2RS 6202-2RS 6302-2RS 6003-2RS 6203-2RS 6303- |
| Product Type | Deep Groove Ball Bearing |
| Precision Class | P5 (with Z1V1, Z2V2, Z3V3 vibration grades) |
| Clearance Class | C3 |
| Cage Material | Available in steel, nylon, or brass variants |
| Seal Type | 2RS contact seals |
| Certification | ISO9001, TS16949, ISO9006, QS9000, VDA6.1 |
| Origin | China, Japan, Sweden |
Note: The 2RS suffix is an unverified suffix — requires manufacturer catalog confirmation for exact seal specifications.
Application Suitability
| Industry | Typical Applications |
| Air Compressor Manufacturing | Rotary screw compressor airend drive gears and cooling fan motors |
| Industrial Transmission | Conveyor drive pulleys and gearbox input shafts |
| Electrical & Instrumentation | High-speed electric motor rotors and precision pump spindles |
Vibration Spikes in Air Compressors Often Trace Back to Ignored Suffixes on a FAG 6002-2RS deep groove ball bearing
Precision mismatches silently destroy rotor balance long before the lubricant degrades.
When sourcing replacement parts for rotary screw compressors, procurement teams frequently focus solely on the basic bore and outer diameter, overlooking critical suffixes. I saw this exact oversight on a major project in Thailand, where a standard P0 clearance part was shipped instead of the specified P5 grade because the suffix was missed during cross-referencing. The resulting vibration and acoustic emissions failed site acceptance tests immediately, forcing a complete teardown. Selecting the correct FAG 6002-2RS deep groove ball bearing requires strict attention to vibration grades like Z2V2 to prevent these costly site rejections and protect the sensitive airend components from harmonic resonance.

Matching Cage and Seal Configurations to Compressor Duty Cycles
Matching the right cage and seal configuration ensures the FAG 6002-2RS deep groove ball bearing survives the continuous radial loads and moderate axial thrusts typical in compressor assemblies. Our sourcing network consolidates mixed-brand and mixed-size packages, allowing maintenance teams to secure exact P5 specifications without juggling multiple vendors across different regions. This flexibility guarantees that high-speed electric motors and transmission gearboxes receive components perfectly matched to their specific thermal and mechanical profiles. By securing the exact Z-grade vibration classification, facility managers can confidently deploy these units in noise-sensitive environments without fearing unexpected acoustic complaints from plant operators.
Thermal Expansion and Particulate Ingress in Enclosed Drives
Compressor environments demand components that handle sustained rotational speeds while resisting thermal expansion and particulate ingress. A C3 internal clearance is absolutely critical here, as it compensates for the heat generated by the motor or airend, preventing the bearing from seizing under elevated operating temperatures. Furthermore, the contact seals must retain grease and exclude airborne particulates without introducing excessive frictional heat that could degrade the lubricant. Proper lubrication intervals and seal integrity directly dictate the operational lifespan in these enclosed, high-cycle applications, where even minor contamination can initiate micro-pitting on the raceways.
Decoding Precision Tolerances and Internal Clearance Mechanics
The P5 precision class dictates tighter dimensional tolerances and running accuracy compared to standard grades, which is non-negotiable for minimizing rotor runout in high-speed electric motors. Vibration classifications such as Z1V1 up to Z3V3 further refine the acoustic performance, ensuring exceptionally smooth operation in noise-sensitive instrumentation and household appliances. The C3 clearance provides the necessary internal play to accommodate shaft expansion during continuous duty cycles, preventing internal preload buildup. Depending on the specific speed and load requirements, the cage can be selected from steel, nylon, or brass variants, each offering distinct advantages in weight, friction reduction, and high-speed stability under varying thermal conditions.

The Compounding Financial Impact of Incorrect Suffix Selection
Installing a bearing with incorrect internal clearance or inadequate precision leads to accelerated fatigue, excessive heat generation, and premature spalling. According to established failure analysis frameworks, improper fit, thermal binding, and incorrect clearance selection are primary drivers of catastrophic raceway damage and cage failure. This unplanned downtime in a critical air compressor, pump, or conveyor system far exceeds the initial component cost. It often results in voided equipment warranties, extensive secondary damage to adjacent shafts and housings, and severe production delays that impact overall plant throughput.
Securing Exact OEM Replacements Through Rigorous Verification
We verify every suffix and tolerance code because a missing precision designation or incorrect clearance class causes immediate field failures in sensitive machinery. Our technical team cross-references your OEM part numbers to ensure the exact seal type, cage material, and vibration grade match the original equipment specifications perfectly. We provide complete batch traceability for every FAG 6002-2RS deep groove ball bearing shipped, backed by rigorous ISO-compliant quality assurance protocols. Whether you need a single emergency spare part for an urgent breakdown or a full container consolidation for a planned overhaul, our massive spot inventory covers thousands of part numbers to keep your maintenance schedules strictly on track.
Documentation & Authenticity
- Certificate of Conformity verifying P5 dimensional tolerances and Z-grade vibration limits.
- Original manufacturer batch traceability documents linking the specific production run to the shipment.
- Official app QR verification codes on packaging for instant authenticity validation.
- Material inspection reports confirming the chemical composition of the selected cage variant.
- Running accuracy inspection reports validating C3 internal clearance before dispatch.
Storage, Handling & Mounting
- Keep the 2RS sealed units in original packaging until installation to prevent moisture ingress and grease contamination.
- Use clean, lint-free gloves when handling P5 precision components to avoid transferring corrosive skin oils to the raceways.
- Store C3 clearance bearings in a climate-controlled environment to prevent thermal shock before mounting.
- Avoid using carbon steel tools directly on brass or nylon cage variants to prevent galvanic cross-contamination.
- Verify the 2RS seal lips are undamaged after pressing the bearing onto the shaft to maintain exclusion properties.
Providing Operational Data for Precise Technical Validation
To ensure precise technical validation and avoid the costly mistakes I have witnessed in the field, please share your equipment's exact radial and axial load profiles, operating speeds, and ambient temperature ranges. Providing the original OEM equipment model numbers allows our engineering team to perform accurate cross-reference checks and recalculate the L10 fatigue life for your specific duty cycle. Specify the exact environmental conditions, such as dust exposure, moisture levels, or chemical presence, so we can confirm the optimal seal configuration and cage material variant for your unique application requirements.
Frequently Asked Questions
Q: How can I verify the authenticity and P5 precision of the received bearings?
A: You can scan the official manufacturer QR code on the box using their verified app to confirm the batch details. Additionally, we provide a Certificate of Conformity and running accuracy inspection reports that explicitly document the P5 tolerance and C3 clearance measurements for your specific order.
Q: What is the advantage of C3 clearance in air compressor motor applications?
A: The C3 clearance provides greater internal play than standard groups, which compensates for thermal expansion when the motor operates at elevated temperatures. This prevents the bearing from running under excessive preload, thereby reducing friction, heat generation, and the risk of premature seizure in continuous-duty compressor drives.
Q: How do I choose between steel, nylon, and brass cages for my equipment?
A: Steel cages offer high strength for heavy loads, while nylon cages are noticeably lighter and reduce friction at high speeds. Brass cages provide excellent durability and heat dissipation under demanding conditions. Share your specific speed and temperature parameters so we can recommend the optimal cage material.
Q: What does the 2RS suffix indicate regarding maintenance and lubrication?
A: The 2RS suffix typically denotes contact rubber seals on both sides, designed to retain factory-applied grease and exclude contaminants. These sealed bearings are generally maintenance-free and non-relubricable, making them ideal for enclosed applications like electric motors where regular re-greasing is impractical or physically inaccessible.
Q: Why did my previous bearing fail due to vibration despite having the correct basic model?
A: Basic models often omit critical suffixes for precision and vibration grades. If a standard P0 grade was installed instead of a P5 with a specific Z-vibration class, the increased runout and acoustic emissions would cause excessive vibration, leading to rapid fatigue and failure in precision equipment like compressors.