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| 圖一 悠九製作的陶瓷軸承 Figure 1. Bearings by Yonitty. |
這是悠九特製的陶瓷軸承，軸承的內外圈採用不鏽鋼製作，滾珠使用黑色的陶瓷材質（氮化硅），而保持器使用鐵氟龍。陶瓷軸承是所有軸承中阻力最小的，且保持器的特殊材質可以在滾珠高轉速轉動時分泌出油膜（塑膠為有機油類的大分子聚合物，而鐵氟龍是塑膠的一種），使軸承轉動更順暢。
This ceramic bearing is specially made by Yonity. The materiel of outer race and inner race are stainless steel. The balls are made of silicon nitride (it is a kind of ceramics). And the retainer is made of Teflon. When the bearing is spinning, the Teflon retainer can provide a little lubricant film. It smooths the spin. A ceramic bearing gives it the least friction. It will be your best choice. |
| 圖二 陶瓷軸承的構造與材質 Figure 2. The materials of bearing. |
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| 圖三 特殊弧形設計 Figure 3. Concave bearing. |
而外型一樣採用目前玩家最喜歡的弧形來製作（圖三），不過略有修改，使得作招更順暢。
注意！本軸承請勿使用任何有機溶劑清洗，原廠軸承內部沒有上油，所以不用特別清洗，且有機溶劑會破壞鐵氟龍保持器。請參考悠九提供的標準清洗軸承的方法。
The shape is based on the traditional concave bearing. But we improve it a little bit. Make it smoother when you doing tricks.
Notice! DO NOT use any organic solvent to clean the bearing. Original installation is without any lubricant already. So you do not need organic solvent. Besides, the organic solvent would damage the Teflon retainer. If there are impurities in the bearing and you need to clean, please cheek our standard operation procedure.
清理軸承的時候千萬不要對著軸承的正面吹（圖四），或是使用工具觸碰軸承的正面，因為這樣會使保持器脫落，導致軸承散開。清理時記得對著軸承的背面（圖五）吹就好了。
Remember, when you clean the bearing, DO NOT blow it to the front side (Fig. 4). And DO NOT touch the front side by any tool. It might let the retainer fall off. The correct way is blow the back side (Fig2.).
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| 圖四 軸承的正面 Figure 4. The front side. |
Remember, when you clean the bearing, DO NOT blow it to the front side (Fig. 4). And DO NOT touch the front side by any tool. It might let the retainer fall off. The correct way is blow the back side (Fig2.).
圖五 軸承的背面
Figure 5. The back side.
