Mico ceramic yoyo bearing R188KK U type bearing 6.35*12.7*4.762mm
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Quantity(Pieces) 1 – 1000 >1000 Est. Time(days) 3 To be negotiated
- Customization:
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Customized logo(Min. Order: 10 Pieces)Customized packaging(Min. Order: 10 Pieces)
Mico ceramic yoyo bearing R188KK U type bearing 6.35*12.7*4.762mm
Chrome Yoyo Bearings
It has long been the industry standard for Yoyo enthusiasts the world over. These bearings have chrome steel races, balls, retainers and shields.
Stainless Steel Yoyo Bearings
In an attempt to improve the performance of these bearings, are specially designed for competitive yoyo enthusiasts. Competitive players sought out high ABEC bearings made of high-grade materials such as stainless steel. The higher the ABEC rating, the lower the friction and smoother and faster roll. ABEC ratings are given in odd numbers only 1,3,5,7 and 9.
Ceramic ball yoyo bearings
Today, ceramic bearings are the hottest thing in yoyo technology. They are lighter, smoother, stiffer, harder, and corrosion resistant. These characteristics allow for a wide range of performance enhancements in bearings. Ceramic dissipates heat quickly, reducing friction and wear while maintaining a precise smooth surface. Today’s leading-edge ceramics are made with Silicon Nitride (Si3N4) and have characteristics similar to the heat-absorbing, highly resilient tiles on the Space Shuttle. Yoyo Ceramic Bearings are specially designed for competitive Yoyo enthusiasts.
| model | d | D | H | Cr(N) | Cor(N) | 1000r/min | ||
| open | seal | grease | oil | |||||
| R1-4zz | 1.984 | 6.35 | 2.38 | 3.571 | 284 | 96 | 67 | 80 |
| R133zz | 2.38 | 4.762 | 1.588 | 2.38 | 144 | 53 | 80 | 95 |
| R1-5zz | 2.38 | 7.938 | 2.779 | 3.571 | 552 | 176 | 60 | 71 |
| R144Jzz | 3.175 | 6.35 | 2.38 | 2.779 | 311 | 110 | 67 | 80 |
| R144zz | 3.175 | 6.35 | 2.38 | 2.779 | 284 | 96 | 67 | 80 |
| R2-5zz | 3.175 | 7.938 | 2.779 | 3.571 | 558 | 180 | 60 | 67 |
| R2-6zz | 3.175 | 9.525 | 2.779 | 3.571 | 640 | 227 | 53 | 63 |
| R2zz | 3.175 | 9.525 | 3.967 | 3.967 | 631 | 219 | 56 | 67 |
| R2Azz | 3.175 | 12.7 | 4.366 | 4.366 | 640 | 227 | 53 | 63 |
| R155zz | 3.967 | 7.938 | 2.779 | 3.175 | 359 | 150 | 53 | 63 |
| R156zz | 4.762 | 7.938 | 2.779 | 3.175 | 359 | 150 | 53 | 63 |
| R166zz | 4.762 | 9.525 | 3.175 | 3.175 | 709 | 272 | 50 | 60 |
| R3zz | 4.762 | 12.7 | 3.967 | 4.978 | 1301 | 488 | 43 | 53 |
| R3Azz | 4.762 | 15.875 | 4.978 | 4.978 | 1480 | 621 | 38 | 45 |
| R168zz | 6.35 | 9.525 | 3.175 | 3.175 | 373 | 172 | 48 | 56 |
| R188zz | 6.35 | 12.7 | 3.175 | 4.762 | 1082 | 442 | 40 | 50 |
| R4zz | 6.35 | 15.875 | 4.978 | 4.978 | 1480 | 621 | 38 | 45 |
| R4Azz | 6.35 | 19.05 | 5.558 | 7.142 | 2336 | 896 | 36 | 43 |
| R1810zz | 7.938 | 12.7 | 3.967 | 3.967 | 542 | 276 | 40 | 48 |
| R6zz | 9.525 | 22.225 | 5.558 | 7.142 | 3332 | 1422 | 32 | 38 |
| R10zz | 9.525 | 15.875 | 3.967 | 3.967 | 815 | 411 | 28 | 31 |
FAQ1: Why choose ceramic yo-yo bearings over steel bearings?
Ceramic yo-yo bearings have the following advantages over steel bearings:
1. Lower friction: Ceramic materials have a lower coefficient of friction, which means less friction is generated when the bearings rotate. This helps the yo-yo spin longer.
2. Higher durability: Ceramics are harder than steel, so ceramic bearings are more resistant to wear. This allows them to maintain their performance after long-term use.
3. Lighter weight: Ceramics are lighter than steel, so ceramic bearings can reduce the overall weight of the yo-yo. This helps improve the handling of the yo-yo.
4. Corrosion resistance: Ceramics are inert and can resist various corrosive media, thereby extending their service life in harsh conditions.
FAQ2: How do ceramic yo-yo bearings improve spin time?
Ceramic yo-yo bearings improve spin time by reducing friction. Lower friction means less energy is lost when the bearings rotate, allowing the yo-yo to spin longer.
FAQ3: What style of ceramic bearings are best for professional yo-yo tricks?
For professional yo-yo tricks, U-shaped ceramic yo-yo bearings are often the best choice. The shape of the U-shaped bearing helps keep the rope centred, which increases precision and control.
