The world's smallest inner diameter tapered roller bearing is available

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The world's smallest inner diameter tapered roller bearing is available

Source: Bearing network time: 2013-04-24
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NTN has developed a global minimum-diameter tapered roller bearing with a bearing inner diameter of only 5 mm. The dimensions are the inner diameter φ 5. 0 × outer diameter φ 17. 0 × width 10 mm. The size of the previous smallest tapered roller bearing is the inner diameter. Φ9. 4 × outer diameter φ 23 × width 13mm. The new product is mainly intended for use in preloading reducers, medical equipment and micro-machines that will impose heavy loads.
At present, most of the rolling bearings with a bearing inner diameter of 5 mm use miniature ball bearings; however, there are problems such as lack of life and rigidity when the load is large. Compared with miniature ball bearings; the tapered roller bearings developed this time can improve the load capacity and rigidity; Complete the longevity number and small depiction. Compared with ball bearings of similar scale; the life is 14 times; the rigidity is 5 times.
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