X&S Genuine 6000 6201 6204 6206 6301 Deep Groove Ball Bearing for Spare Parts
X&S 6000 6201 6204 6206 6301 Deep Groove Ball Bearings — offered in Open, Zz, and 2RS variants with P0 through P4 precision.
- 2RS contact seals block contamination, while Zz shields protect against dust in medium-speed applications.
- Z1V1 to Z4V4 vibration grading guarantees quiet radial load performance. Authenticate every shipment instantly via the official app QR verification channel.
Official App QR Verification — scan the unique traceability code on each X&S 6000 6201 6204 6206 6301 deep groove ball bearing carton to instantly confirm manufacturing origin and bypass cloned counterfeit tags.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | 6000 6201 6204 6206 6301 |
| Bearing Type | Deep Groove Ball Bearing |
| Seal or Shield Type | Open, Zz (Double shielded), 2RS (Double contact sealed) |
| Precision Class | P0, P6, P5, P4 |
| Vibration Level | Z1V1, Z2V2, Z3V3, Z4V4 |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Load Direction | Radial |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Electric Motors | Rotor shaft support, cooling fan assemblies, stator end-shields |
| Industrial Gearboxes | High-speed input shafts, intermediate gear stage radial support |
| Material Handling | Conveyor drive pulleys, belt tensioner idler rollers |
| Pumps & Compressors | Impeller shaft radial positioning, centrifugal pump motor mounts |
When Basic Numbers Mask Critical Suffix Errors
Matching the base designation without verifying the seal type and vibration grade guarantees premature motor failure.
In repair workshops across the Pearl River Delta, I frequently see maintenance crews replacing burnt-out motor bearings with whatever basic number matches the old part, completely ignoring the suffix. Installing an open or lightly shielded variant in a dusty conveyor environment, or using a standard vibration grade in a high-speed spindle, leads to rapid contamination ingress and noise complaints. Sourcing a fully traceable X&S 6000 6201 6204 6206 6301 deep groove ball bearing ensures the exact factory configuration is maintained. [NEED_CITE: rolling bearing failure mode classification per ISO 15243]
Aligning Suffix Configurations with Motor Duty Cycles
Selecting the correct configuration requires looking past the basic dimension. For a 6204 operating in a high-temperature exhaust fan, the internal clearance must accommodate thermal expansion of the shaft, while a 6301 in a precision pump demands strict P5 or P4 tolerance to minimize radial runout. We cross-reference your exact OEM requirements to ensure the seal, precision, and internal geometry align perfectly with the operational reality.
Navigating Thermal and Contamination Challenges
Electric motors and gearboxes subject these components to continuous radial loads and significant thermal cycling. When shaft temperatures rise during continuous duty, standard internal clearances can collapse, causing the rolling elements to bind and the cage to fail catastrophically. Furthermore, in material handling applications, abrasive dust easily bypasses inadequate sealing. Choosing between non-contact Zz shields for low-friction, high-speed operation and 2RS contact seals for superior contamination exclusion is critical for long-term reliability. [NEED_CITE: thermal expansion effects on internal bearing clearance]
Decoding Precision and Vibration Signatures
The distinction between P0 and P4 precision directly dictates the running accuracy and acoustic signature of high-speed electric motors. A P4 grade ensures minimal thickness variation in the raceways, which is mandatory for sensitive equipment. Equally important is the vibration grading; specifying Z3V3 or Z4V4 ensures the internal surface finish and ball sphericity are optimized to suppress high-frequency noise, preventing resonance issues in household appliances and precision gearboxes.
The Hidden Costs of Ignoring Suffix Details
Substituting a standard precision bearing where a high-precision variant is required often results in excessive vibration that degrades adjacent seals and windings. Similarly, ignoring the difference between double-shielded and double-sealed configurations in wet environments leads to rapid corrosion and unplanned downtime. These mismatch errors routinely void equipment warranties and trigger catastrophic secondary damage to the motor housing, far exceeding the initial savings of a cheaper, incorrect part. [NEED_CITE: ISO 281 framework for bearing life and reliability calculation]
Why Procurement Engineers Trust Our Technical Review
Mixed-brand orders often result in mismatched internal geometries, but our authorized coverage ensures every X&S 6000 6201 6204 6206 6301 deep groove ball bearing meets exact cross-reference parameters. We catch the common error of supplying standard clearance when C3 is required for thermal expansion in motor applications. Every shipment includes batch traceability verified through official apps, eliminating the risk of soft inner rings from counterfeit sources. Our technical team reviews your load and speed parameters to confirm the selected vibration grade matches your acoustic requirements.
Documentation & Authenticity
- Certificate of Conformity matching the specific 6000 to 6301 batch numbers.
- Official app QR verification tags on every carton for instant origin validation.
- Dimensional inspection reports confirming P4 or P5 tolerance before dispatch.
- Material test reports verifying bearing steel hardness and composition.
- Vibration and acoustic testing records for Z3V3 and Z4V4 graded units.
Storage, Handling & Mounting
- Keep 2RS sealed units in original packaging until mounting to prevent moisture ingress.
- Use induction heaters for inner ring expansion; avoid open flames that degrade grease.
- Verify Zz shield integrity post-transport to ensure no dents compromise the air gap.
- Store P4 precision variants in climate-controlled areas to prevent microscopic raceway corrosion.
- Avoid using carbon steel tools on bearing steel surfaces to prevent localized hard spots.
Initiating Your Technical Selection
To ensure the selected deep groove ball bearings perfectly match your equipment, please provide the specific radial loads, operational speeds, and ambient temperature ranges. Sharing the OEM equipment designation or motor nameplate data allows our engineering team to perform a precise cross-reference check, verifying that the internal clearance and seal type are optimized for your exact application.
Frequently Asked Questions
Q: How do I verify the authenticity of these X&S bearings using official QR traceability?
A: Every carton features a unique QR code that links directly to the manufacturer’s official verification app. Scanning this code confirms the batch origin, production date, and authorized distribution path, effectively bypassing the cloned tags and soft inner rings commonly found in counterfeit deep groove ball bearings on the open market.
Q: What are the critical cross-reference checks when replacing 62xx series bearings in electric motors?
A: Beyond matching the base number, you must verify the internal clearance and seal type. Installing a standard clearance bearing in a high-temperature motor will cause thermal binding, while using an open variant in a dusty environment guarantees rapid failure. We cross-reference these exact suffix parameters to ensure operational stability.
Q: How do I choose between Open, Zz, and 2RS seal types based on operating conditions?
A: Open bearings are ideal for oil-lubricated gearboxes requiring frequent flushing. Zz double shields offer low-friction protection for high-speed, clean environments like household appliances. The 2RS double contact seals provide superior exclusion of moisture and abrasive dust, making them mandatory for material handling conveyors and agricultural pumps.
Q: What is the practical difference between P0, P6, P5, and P4 precision classes?
A: P0 is standard precision suitable for general mechanical applications. P6 and P5 offer tighter dimensional tolerances for industrial gearboxes and standard motors. P4 provides the strict running accuracy and minimal raceway variation required for high-speed spindles and precision equipment where vibration and acoustic noise must be strictly controlled.
Q: How do Z1V1 to Z4V4 vibration levels impact high-speed electric motor performance?
A: Higher vibration grades like Z3V3 and Z4V4 indicate superior internal surface finish and tighter ball sphericity tolerances. This significantly suppresses high-frequency acoustic noise and prevents resonance issues, which is critical for maintaining the structural integrity and quiet operation of high-speed electric motors and sensitive household appliances.
- Product Name
- X&S Genuine 6000 6201 6204 6206 6301 Deep Groove Ball Bearing for Spare Parts
- Category
- SKF Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | SKF Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
Get a custom quote for
X&S Genuine 6000 6201 6204 6206 6301 Deep Groove Ball Bearing for Spare Parts
NDA protected · Free samples for orders > $50K · Reply within 12 hours