Hangzhou Huaxing Kechuang Holding Group Co., Ltd. is one of the leading manufacturers and suppliers of electric motor bearing 6205-2rs in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy bulk high quality bearings at competitive price from our factory.
Electric Motor Bearing 6205-2RS 6205-2RZ
Specifications
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Bearing Type: |
Radial ball bearing 6205-2RS 6206-2RS 6206-2RS for electric motor |
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Dimensions (dxDxB): |
25*52*15mm (6205) | |
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Material: |
Chrome steel GCr15, SAE52100, SUJ2 | |
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Seals: |
Rubber seals on both side | |
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Retainer: |
Steel |
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Grease: |
Normal grease |
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Speed: |
13,000 rpm with grease, 15000 rpm with oil | |
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Radial Internal clearance: |
C0/C3/C4 | |
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Vibration: |
ZV1, ZV2, ZV3, ZV4 | |
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Precision: |
Standard Precision P0, P6, P5 | |
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Lubrication: |
Standard Lubrication |
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Heat Stabilization: |
Temperatures from -20°C up to 120 °C | |
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Special Treatment: |
No Special Treatment | |
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Brand: |
HXB or OEM brand | |
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Also know as: |
6205-2RS, 6205LLU, 6205DD |
Feature
1. Precision & Rotation Accuracy
ISO P0/P6/P5/P4 super precision tolerance options, minimal radial & axial runout
Ultra-smooth raceway grinding to reduce vibration during high-speed rotation
Matched preload sets for consistent rotational rigidity in compact motors
2. High-Speed Performance
Low-friction phenolic/PEEK cages to cut heat generation at high RPM
Optimized ball contact geometry to limit centrifugal force loss
Low-viscosity high-temperature grease filling for continuous high-speed operation
3. Vibration & Noise Suppression
Strict dimensional consistency of steel balls to eliminate resonant noise
Surface-finished inner/outer rings to avoid abnormal operating sound
Clearance fine-tuning design to lower mechanical vibration under variable loads
4. Thermal & Durability
GCr15/SUJ2 bearing steel with full quenching for wear resistance
Wide-temperature lubricant formula, stable from -40°C to 180°C
Anti-oxidation grease to extend service life under long non-stop running
5. Protection & Adaptability
2RS rubber contact seals / ZZ metal dust shields for dust & moisture isolation
Anti-electric corrosion coating optional to prevent electric pitting in variable-frequency motors
Custom internal clearance (C2/C3/C4) to compensate motor thermal expansion
6. Installation Compatibility
Standard metric dimensions to fit mainstream motor shaft & housing seats
Single-row / double-row structures to satisfy different space constraints
Pre-matched duplex/triplex bearing sets for easy one-step assembly
Applications
6205-2RS/C3 25×52×15 - Y90S/L 1.5kW / 2.2kW aluminum shell MS90 motor
Household Appliance Motors
Cooling fan motors, range hood drive motors, washing machine drive motors
Small air conditioner indoor blower motors, water pump motors for home use Demand focus: Low noise, dustproof seals, long maintenance-free service life
Standard Industrial Asynchronous Motors
Conveyor belt drive motors, small industrial exhaust fan motors
Light-duty pump motors, small packaging machine drive motors Demand focus: C3 standard clearance, heavy radial load capacity, heat resistance
Variable Frequency General-Purpose Motors
Small frequency conversion drive motors for automation conveyors
Light-load adjustable-speed equipment drive motors Demand focus: Optional insulated outer ring to resist stray current corrosion
Refrigeration & Compressor Auxiliary Motors
Small refrigerator fan motors, air conditioner outdoor fan motors Demand focus: Good sealing performance, refrigerant-resistant lubricating grease
Micro Small General Motors
Instrument cooling micro motors, small equipment vibration-proof drive motors Demand focus: Stable low-vibration rotation, compact outer dimension
Advantages
HXB was founded in 1995, with nearly 30 years of dedicated development, HXB now operates6 subsidiaries.
∗ 2 high-tech R&D centers
∗ 2 modern manufacturing factories - Hangzhou Yijia Precision Bearing Co., Ltd. and Zhejiang Ruiyang Bearing Technology Co., Ltd.
∗ Supported by advanced digital MES and SPC management systems
∗ IATF16949:2016, ISO9001:2015 and ISO14001 certifications
∗ High-end equipment and high-quality material
About HXB
1. Hangzhou Factory - YJB
Founded in June 2007, YJB is located in Hangzhou. As a subsidiary of HXB Group, we are a national high-tech enterprise and provincial science & technology enterprise specializing in R&D and manufacturing of high-precision, high-speed, advanced, special and professional bearings.
Core Capabilities & Intelligent Manufacturing
- Product Size: Inner diameter Φ3–Φ300mm
- Precision Classes: P2, P4 (ultra-precision grades)
- Annual Capacity: 3 million sets of precision bearings in a lean & intelligent factory
- Equipment Investment: Over RMB 3 million in world-leading precision testing instruments
- Digital Transformation: with full deployment of MESYS bearing design platform, ERP, MES, WMS, SPC real-time quality monitoring and OA systems, building a benchmark smart manufacturing plant.
Main Products
Precision Spindle Bearings
Angular Contact Ball Bearings
Servo Motor Bearings
Vacuum Pump Bearings
Ball Screw Support Bearings
2. Huzhou Factory
In 2021, the deep groove ball bearing factory relocated from Hangzhou to Huzhou. It operate in a 10,000㎡ production facility with a team of 75 employees, focused on the R&D, and manufacturing of high-performance deep groove ball bearings.
We maintain a professional engineering and quality system to ensure stable precision and reliability.
Engineering Team: 4 bearing design & process engineers, accounting for 5% of staff.
Quality Team: 15 quality personnel, including 2 quality engineers, 20% of staff, covering incoming inspection, in-process control and final testing.
Product Range
Series: 6000–6024, 6200–6214, 6300–6314, 6800–6824, 6900–6924
Features: High rigidity, low noise; suitable for grease lubrication or oil-mist lubrication.
6 Series X4YA-2RS (Double-lip seal) & APT Retainer Series
Features: High & low temperature resistance, superior sealing, high load capacity, long service life.
Application: New energy vehicle transmission systems.
Certificates
Exhibition
FAQ
Q1: What is EMQ motor bearing?
EMQ (Electric Motor Quality) is a motor-dedicated high-performance standard. Based on standard P0 precision, it is optimized specifically for motor continuous high-speed operation, featuring lower vibration, quieter running and longer service life, serving as the preferred upgrade for general industrial motors.
Q2: What is the difference between EMQ and ordinary P0 bearings?
Though both P0 grade, EMQ bearings adopt strict motor-oriented upgrades:
1. Super mirror-finished raceways and steel balls for ultra-low friction;
2. High-precision steel ball grading to avoid resonant noise;
3. Standard Z3/V3 low vibration level;
4. Precisely filled long-life motor grease;
5. 100% noise and vibration inspection before delivery.
Q3: Why are EMQ bearings ultra-quiet?
Motor noise is mainly caused by bearing friction and rolling vibration. EMQ's super-finished surfaces, consistent steel ball tolerance and optimized C3 clearance effectively eliminate rolling jitter, friction noise and operational resonance. Optimized cage and seal assembly further avoid mechanical interference for stable low-noise operation.
Q4: What is Z3/V3 grade?
Z3/V3 is the industry high-standard for low noise and low vibration. All EMQ bearings are Z3/V3 graded, delivering smoother operation and no progressive noise rise during 24/7 high-speed running, far superior to ordinary Z1/V1 and Z2/V2 bearings.
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