最近中文字幕在线mv视频在线,最近中文字幕高清免费中文字幕mv,最近免费中文字幕中文高清,精品日韩二区三区精品视频,日本加勒比官网,亚洲第一成年网,国产日韩欧美在线观看免费视频

 ↑Click the picture see larger image

       Tube D              Shaft d               Size               Chain pitch        Teeth          Chain's type   

1. Adopt sprocket made of polyamide as the driving element, so the running noise has been greatly lowed down.
2. The design makes it is able to opeate in some special environment, and not only for good looking but also further more for the smooth and quiet running.
3. It is resists dust and water splash well
4.Parameters：Bearing housing: polyamide and black；End cap: polypropylene and yellow；Precisino ball bearing: 6002；Sprocket: polyamide and black
5. Material: Steel, Zinc-plated, Stainless steel,
6. Installation method: Spring loaded, Female Thread,