Hangzhou Huaxing Kechuang Holding Group Co., Ltd. is one of the leading manufacturers and suppliers of household bearing 6306-uu 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.
Single Row Deep Groove Ball Bearing 6306UU for Washing Machine
Specifications
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Bearing Type: |
Household bearing 6306UU |
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|
Dimensions (dxDxB): |
30*72*19mm (6306) | |
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Material: |
100% Chrome Steel | |
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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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Radial Internal clearance: |
C0/C3/C4 |
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Vibration: |
ZV2, ZV3, ZV4 | |
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Precision: |
Precision P0, P6, P5 | |
| Lubrication: | Standard Lubrication | |
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Heat Stabilization: |
Temperatures from -20°C up to 120 °C | |
| Special Treatment: | No Special Treatment | |
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Brand: |
HXB or OEM brand |
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| Also know as: | 6305-2RS, 6305LLU, 6305DD |
6306UU is a heavy-duty double rubber sealed deep groove ball bearing specially designed for drum and fully automatic washing machine spindle systems. Featuring thick-wall structure, high rigidity and strong load capacity, it perfectly adapts to the unique working conditions of washing machines, including frequent start-stop, alternating dynamic load, slight axial sway and long-term continuous operation.
Adopting high-quality double-sided UU rubber full-contact seals, this bearing delivers excellent waterproof, moisture-proof and dust-proof performance. It effectively isolates laundry moisture, water vapor, detergent mist, fabric lint and indoor dust, completely preventing internal grease leakage, water infiltration and impurity accumulation. It solves the common failures of washing machine bearings such as rusting, jamming, abnormal noise and rotational lag caused by humid and polluted working environments.
Matched with special high-temperature and water-resistant long-life grease, 6306UU maintains stable lubrication effect under long-term vibration and humid conditions. It features low vibration, low noise and strong fatigue resistance, which can withstand the eccentric load generated by clothes deviation during washing and dehydration. It ensures stable high-speed rotation during dehydration mode and smooth low-speed operation during washing mode, greatly extending the service life of washing machine core transmission system.
Common Models & Sizes
Front‑Load Drum
• 6205 ZZ/2RS: 25×52×15mm – standard for small/medium laundry machine
• 6206 ZZ/2RS: 30×62×16mm – most popular, medium/large laundry machine
• 6207 ZZ/2RS: 35×72×17mm – heavy‑duty/large‑capacity models
Heavy‑Duty / Commercial
• 6305 ZZ/2RS: 25×62×17mm – higher load capacity
• 6306 ZZ/2RS: 30×72×19mm – heavy‑duty laundry machine
Motor & Pump
• 6204 ZZ: 20×47×14mm – drive motor
• 6203 ZZ: 17×40×12mm – drain pump
Applications
6306UU is a mainstream large-size bearing for medium and large drum washing machines and high-load fully automatic washing machines. It is mainly used for the main shaft support of washing machine inner drum, bearing box assembly and dehydration transmission structure. It is suitable for household and commercial washing equipment that requires heavy load bearing, long-term frequent operation and high environmental resistance.
This bearing is exclusively optimized for washing machine's alternating working modes: low-speed repeated rotation during washing, high-speed centrifugal rotation during dehydration, and frequent start-stop switching. Its high structural rigidity effectively resists mechanical vibration and eccentric impact load, keeping the washing machine running smoothly, stably and quietly for a long time.


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
Q: Are you a factory or trading company?
A: We are factory specialized In manufacturing and exporting bearings, such as household bearings.
Q: How soon can we get a reply after we send you an inquiry?
A: In working days, we will reply to you within 12 hours after receiving the inquiry.
Q: What application areas do your products mainly involve?
A: Our spindle bearings with ceramic balls application fields mainly include motors, water pumps, household appliances, automobiles, motorcycles, power tools, engraving machines, reducers, machine tools, CNC machining centers, textile machinery, woodworking machinery, etc.
Q: Can you make customized products?
A: Yes, we can customize products according to customer needs, develop and produce products according to drawings or samples provided by customers. We also have our own brands of HXB and YJB.
Q: Where are your goods mainly exported to?
A: Our products are mainly exported to the United States, Japan, South Korea, India and other countries. The main customers are Siemens, JOHN-DEER, HUSQVARNA, FEDERAL-MOGUL.
Complete List of All Common Bearing Models for Washing Machines
According to the assembly position, load grade and equipment size of different washing machines, the applicable mainstream deep groove ball bearing models are classified as follows, covering full-size household and commercial washing equipment:
Medium & Large Load Main Shaft Bearings (Drum Washing Machine Core Models)
6305UU, 6306UU, 6307UU, 6308UU / 6305-2RS, 6306-2RS, 6307-2RS These thick-wall high-rigidity models are used for the main bearing position of large drum washing machines, undertaking the main load of inner drum washing and dehydration, featuring strong impact resistance and waterproof durability.
Universal Standard Load Bearings (Full-Automatic & Medium-Sized Drum Machines)
6204-2RS, 6205-2RS, 6206-2RS, 6207-2RS The most widely matched general models, suitable for most household fully automatic wave-wheel washing machines and conventional medium-sized drum washing machines, balancing load capacity, noise control and cost performance.
Small & Auxiliary Bearings (Auxiliary Transmission & Mini Washing Equipment)
6003-2RS, 6004-2RS, 6202-2RS, 6203-2RS Applied to auxiliary transmission shafts, motor auxiliary supports and mini portable washing machines, meeting the lightweight and low-load operation requirements of auxiliary structures.
Special C3 Clearance Models for High-Speed Dehydration
6205-C3, 6306-C3, 6307-C3 With increased internal clearance, they adapt to thermal expansion and high-speed vibration during high-power dehydration operation, avoiding bearing jamming and ensuring high-speed operation stability.
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