| 摘要 |
<p>The present invention relates to a taper roller bearing comprising: an outer ring portion joined to a fixture; an inner ring portion coming in contact with a rotary shaft to be rotated and to allow the rotary shaft to pass through; a retainer portion placed between the inner and outer ring portions and having a plurality of hole portions; and a roller portion which is inserted into the hole portions to be aligned and comes in contact with the inner ring portion to be rotated. The inner ring portion stores a lubricant for inhibiting friction, thereby inhibiting frictional heat.</p> |
