Hangzhou Huaxing Kechuang Holding Group Co., Ltd. is one of the leading manufacturers and suppliers of vacuum pump bearing vcmp114 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.
Vacuum Pump Bearing VCMP114
Specifications
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Bearing Type: |
Vacuum pump bearing VCMP114 |
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Dimension (dxDxB): |
45x110x19mm |
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Material: |
Chrome steel GCr15, SAE52100, SUJ2, Si3N4 ceramic balls |
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Seals: |
Metal shield |
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Retainer: |
Steel |
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Vibration: |
ZV3 |
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Precision: |
P4 & P5, ABEC-7 and ABEC-5 |
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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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Speed Limit: |
8000rpm |
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Brand: |
HXB or OEM brand |
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Also know as: |
VCMP114 |
Products Description
VCMP114 is a specialized high-speed precision bearing for high-end dry and molecular vacuum pumps. Its customized inner ring oil groove and optimized structure solve lubrication and heat dissipation defects of ordinary bearings, delivering stable performance for premium vacuum working conditions.
Core Advantages
1. Custom Asymmetric Oil Groove Exclusive inner ring groove realizes active lubrication supply, effectively preventing dry friction, burning and seizure failure under long-term high-speed vacuum operation.
2. Excellent High-Speed Stability Low-friction and low-torque design reduces heat generation, maintaining precise dynamic balance and stable operation during 24-hour continuous high-speed working.
3. Ultra-Clean Anti-Pollution Performance Optimized oil circulation avoids vapor and particle accumulation, zero vacuum pollution and strong anti-interference, perfectly fitting high-cleanliness vacuum scenarios.
4. High Temperature Resistance & Long Lifespan Sustained uniform lubrication lowers operating wear, retains structural precision under heat accumulation, and reduces equipment maintenance and replacement costs.
5. Low-Vibration & High-Precision Operation High-precision grinding ensures ultra-low runout and rigid structure, suppressing vibration and noise to guarantee accurate spindle positioning and stable vacuum efficiency.
Application Fields of Vacuum Pump Bearings
1. High-End Dry Vacuum Pump & Molecular Vacuum Pump Supporting
2. Semiconductor & Electronic Precision Manufacturing
3. Biomedical & Pharmaceutical Vacuum Industry
4. Precision Chemical & New Energy Industry
5. High-Precision Scientific Research & Vacuum Testing Equipment
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
Factory-established in 1995, HXB High-End Bearing Group has focused on precision machine tool matching bearings for over 30 years. Two R&D laboratories support new product development, with two intelligent manufacturing bases – Hangzhou Precision Bearing Plant and Huzhou Deep Groove Ball Bearing Branch – and six subsidiaries forming a complete industrial chain. Digital quality control is implemented across all workshops, and all international system certifications are fully obtained. It produces 3 million sets of high-speed spindle bearings annually sold worldwide, has long supplied supporting bearings for Siemens and John Deere, and can develop exclusive customized schemes for customers.
Production range
Angular contact ball bearing(inner size from 8mm to 120mm)
Application: CNC router, machine tool, high speed motorized spindle,
7000series, from 708 to 7024( inner ring max size 120mm)
719,718series, from 71900 to 71924( inner ring max size 120mm)
7200 series, from 7200 to 7224( inner ring max size 120mm)
High-speed spindle bearing , 7000series,71900series, 7200series
High-speed hybrid spindle bearing with seals, 7000series,71900series, 7200series
Screw support ball bearing, 760201 to 760210( inner ring max size 50mm), BS1547 to BS60120( inner ring max size 60mm)
Servo motor bearing, such as B25-254,B25-224,6205 to 6308 with ceramic balls
7300B series
Certificates
Exhibition
FAQ
1. How to judge whether vacuum pump bearings need replacement? Obvious abnormal noise, increased vibration, reduced vacuum efficiency and high operating temperature all indicate bearing aging or wear. Timely replacement avoids equipment shutdown and secondary damage.
2. What are the advantages of ceramic ball vacuum pump bearings? Ceramic ball bearings deliver lighter weight, lower friction, high temperature resistance and anti-oxidation performance. They reduce heat generation and extend service life, perfect for high-end dry pump ultra-clean working scenarios.
3. Why rubber sealed bearings are not suitable for vacuum pumps? Rubber seals easily produce outgassing and aging under vacuum and high temperature conditions, contaminating the vacuum cavity. Metal shield bearings avoid such issues, ensuring clean and stable vacuum environment.
4. How to maintain vacuum pump bearings to prolong service life?
Maintain a clean operating environment to block dust and corrosive gas intrusion. Inspect lubrication regularly and replace grease timely to avoid dry friction. Avoid long-term overload operation and frequent high-load start-stop to reduce wear and fatigue loss.
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