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taomsun@vip.163.com
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SUZHOU TAOMSUN SCIENTIFIC INSTRUMENTS CO.,LTD
TAOMSUN Ball Jewels Bearing - Spherical Arc Hole Precision Support Instrument Rotation Support Special
NegotiableUpdate on 08/26
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Overview
TAOMSUN spherical gemstone bearings (Cup Jewels) are made of artificial ruby, with a Mohs hardness of 9, a surface roughness of ≤ 0.01 μ m, and a friction coefficient of approximately 0.14. The spherical outer diameter is automatically centered, and the stress inside the arc hole is dispersed. The dual structure ensures precision operation stability and long service life. Suitable for rotating and supporting precision instruments such as electric energy meters, water meters, tachometers, aircraft instruments, gyroscopes, clocks, and flow meters. Customization is available within the outer diameter range of 0.8-25mm, with a tolerance of h7~h9. ISO 9001 certification. Overseas technology is supported by METICULAB (South Korea).
Product Details
TAOMSUN Precision bearing components
🤝 Overseas technical partners:METICULAB™
TAOMSUN Ball Jewels Bearing - Spherical Arc Hole Precision Support Instrument Rotation Support Special
Brand:TAOMSUN ｜Overseas technical support:METICULAB (Korea) |ISO 9001·Precision manufacturing
TAOMSUN spherical gemstone bearings (Cup Jewels)It is the core component of precision instrument rotation support. adoptArtificial ruby (corundum)Manufacturing, with a Mohs hardness of 9, second only to diamond, possessing excellent wear resistance, high temperature resistance, and mechanical strength.Spherical outer diameterDesign and implement automatic centering function,Arc hole inner holeThe structure effectively disperses stress concentration, and the dual structure ensures the stability and long service life of precision operation. Suitable for precision instrument rotation support scenarios such as electric energy meters, water meters, tachometers, aircraft instruments, gyroscopes, clocks, flow meters, etc.
🔍 Core features:Double structure of spherical outer diameter and arc hole inner hole, automatic centering of spherical outer diameter to compensate for installation angle deviation; The inner hole of the arc hole is smooth and rounded, reducing stress concentration and extending the service life of the bearing. Specially designed for high-precision rotating support scenarios.
📋 Technical Specifications
| Product Name | Spherical Jewel Bearings (Cup Jewels) |
| Brand/OEM | TAOMSUN(Overseas partner: METICULAB) |
| Material | Artificial ruby (corundum/Al ₂ O ∝)- Single crystal |
| Mohs hardness | Level 9(second only to diamonds) |
| Surface roughness (Ra) | ≤ 0.01μm(Ultra precision machining) |
| Friction coefficient (for steel) | ≈ 0.14(Low friction operation) |
| Outer diameter D | Φ0.80 – Φ25 mm(Tolerance h7~h9) |
| Height H | 0.30 – 25 mm(Tolerance ± 0.01~0.10mm) |
| Groove curvature radius SR | 0.10 – 150 mm(Tolerance ± 0.01~± 2.00mm) |
| Slot depth h | 0.05 – 12 mm(Tolerance ± 0.01~± 0.10mm) |
| Cone angle α | 40° – 160°(tolerance ± 5 °) |
| structural characteristics | Spherical outer diameter (automatic centering)+arc hole inner hole (stress dispersion) |
| Temperature resistance range | Excellent high temperature tolerance (suitable for complex temperature environments) |
| Quality System | ISO 9001·Precision manufacturing |
| customized service | Dimensions, tolerances, groove curvature radius, and cone angle can be customized as needed |
⭐ Core advantages
✅Ultra high hardnessMohs Level 9, excellent wear resistance and impact resistance
✅Ultra smooth surface– Ra ≤ 0.01μm， Minimize friction losses to the greatest extent possible
✅Low friction coefficient- About 0.14 for steel to ensure smooth precision operation
✅Spherical outer diameter- Automatic centering function, compensating for installation angle deviation
✅Arc hole inner holeStress dispersion reduces the risk of edge cracking and prolongs lifespan
✅Double structure superpositionSpherical surface+arc hole, flagship level precision support performance
✅Wide size range- Outer diameter of 0.8-25mm, suitable for various instruments
✅high-temperature resistanceSuitable for complex temperature environments, stable and reliable
🎯 Typical Applications
Precision instrument rotation support electricity meter Water meter tachometer instruction table Aircraft instrument Gyroscope clock flow meter scale
❓ Frequently Asked Questions (FAQ)
Q: What is the difference between spherical gemstone bearings and ordinary flat bearings?
A: The outer diameter of the spherical gemstone bearing is spherical (convex), with automatic centering function, which can compensate for the angle deviation of the mounting seat hole; The outer diameter of ordinary flat bearings is flat, which requires higher installation accuracy. Spherical design is particularly suitable for devices with limited installation space or difficult alignment.
Q: What are the advantages of curved holes compared to straight holes?
A: The inner edge of the arc hole is smooth and rounded, which can effectively reduce stress concentration, minimize the risk of edge cracking, and extend the service life of the bearing. Especially suitable for precision instrument scenarios with high load and high-frequency operation.
Q: What are the typical applications of spherical gemstone bearings?
A: Widely used as a rotating support for precision instruments such as electric energy meters, water meters, tachometers, indicators, aircraft instruments, gyroscopes, clocks, flow meters, and gauges.
Q: Can non-standard sizes or special angles be customized?
A: Okay. TAOMSUN supports full parameter customization of outer diameter, height, groove curvature radius, groove depth, and cone angle. Please provide CAD drawings or specification requirements, and we will provide you with a targeted quotation.
Q: What is the minimum order quantity?
A: Please consult the sales team for the minimum order quantity of standard products. The minimum order quantity for customized products is determined based on specifications and complexity.
🏭 About TAOMSUN
TAOMSUNWe are a precision component manufacturer specializing in hard material processing and bearing technology. The company has obtained ISO 9001 quality management system certification and focuses on artificial ruby/sapphire bearings, precision shafts, and high-performance mechanical components, serving fields such as instrumentation, automation, and aerospace. The core team has decades of experience in the precision machining industry in Japan, ensuring excellent quality and reliability of every product.🌏 Overseas technical support is provided by METICULAB from South Korea.
TAOMSUN
Precision bearing components
📧 Sales Consultation
taomsun@vip.163.com
+86-13862625813
🌏 Overseas technical partners
METICULAB™
choikyc@gmail.com Icult-inventor responsible; + 82 - 10 - 3988 - 4813
WhatsApp / KakaoTalk
TAOMSUN products are manufactured under the ISO 9001 quality management system. The specification parameters are typical values, and customized configurations may vary.
If you need OEM/ODM customization, non-standard size or special angle design, please contact our sales team. Overseas customers can contact METICULAB (Korea) for Korean/English technical consultation.
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