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$(function() { var sWidth = $("#focus").width(); //获取焦点图的宽度（显示面积） var len = $("#focus ul li").length; //获取焦点图个数 var index = 0; var picTimer; //以下代码添加数字按钮和按钮后的半透明条，还有上一页、下一页两个按钮 var btn = "

"; for(var i=0; i < len; i++) { btn += ""; } btn += "

"; $("#focus").append(btn); $("#focus .btnBg").css("opacity",0.5); //为小按钮添加鼠标滑入事件，以显示相应的内容 $("#focus .btn span").css("opacity",0.4).mouseenter(function() { index = $("#focus .btn span").index(this); showPics(index); }).eq(0).trigger("mouseenter"); //上一页、下一页按钮透明度处理 $("#focus .preNext").css("opacity",0.2).hover(function() { $(this).stop(true,false).animate({"opacity":"0.5"},300); },function() { $(this).stop(true,false).animate({"opacity":"0.2"},300); }); //上一页按钮 $("#focus .pre").click(function() { index -= 1; if(index == -1) {index = len - 1;} showPics(index); }); //下一页按钮 $("#focus .next").click(function() { index += 1; if(index == len) {index = 0;} showPics(index); }); //本例为左右滚动，即所有li元素都是在同一排向左浮动，所以这里需要计算出外围ul元素的宽度 $("#focus ul").css("width",sWidth * (len)); //鼠标滑上焦点图时停止自动播放，滑出时开始自动播放 $("#focus").hover(function() { clearInterval(picTimer); },function() { picTimer = setInterval(function() { showPics(index); index++; if(index == len) {index = 0;} },4000); //此4000代表自动播放的间隔，单位：毫秒 }).trigger("mouseleave"); //显示图片函数，根据接收的index值显示相应的内容 function showPics(index) { //普通切换 var nowLeft = -index*sWidth; //根据index值计算ul元素的left值 $("#focus ul").stop(true,false).animate({"left":nowLeft},300); //通过animate()调整ul元素滚动到计算出的position //$("#focus .btn span").removeClass("on").eq(index).addClass("on"); //为当前的按钮切换到选中的效果 $("#focus .btn span").stop(true,false).animate({"opacity":"0.4"},300).eq(index).stop(true,false).animate({"opacity":"1"},300); //为当前的按钮切换到选中的效果 } });

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Cylindrical Roller Bearings

1. Photo:

2. Category:

• Single-Row cylindrical roller bearings
• Double-Row cylindrical roller bearings
• Four-Row cylindrical roller bearings

Also we can design and manufacture other types of cylindrical roller bearings for customers with special requirements.

3. Cages:
Most cages for DES single row cylindrical roller bearings are pressed steel cages or machined brass cages. According to different working conditions and customers requirements cages with other design and structure could be supplied.

4. Applications:
Cylindrical roller bearings are mainly used in the medium-sized motor, high capacity motor, generator, internal-combustion engine, combustion gas turbine, the main shaft of machine tool, graduating device, machines for loading, unloading, carrying and all kinds of machines.