• 男子抢劫杀人为“找钱”创业 司机装死逃命 2019-08-20
  • 网上也能搜到各地的房价。北京还有十八万多一平米的房子。 2019-08-19
  • 圆柱滚子轴承
     
       FYB—圆柱滚子轴承是由由机加工内、外圈和圆柱滚子组成的轴承单元,常用作支承轴承、单向定位轴承或定位轴承,因圆柱滚子数量多具有很高的动载荷和静载荷,能承受较大径向力和有限的单、双向轴向力。轴承具有高刚度性能,广泛用于汽车、机床、冶金机械、纺织机械、电动机、传动轴、齿轮箱等定位和支承处。

    △结构形式

      产品具有单列和双列结构,圆柱滚子与滚道为线接触,承受径向负荷能力大,有保持架结构适于高速旋转场合。内、外圈有挡边结构能承受一定程度的轴向负荷,可作为固定侧轴承使用。轴承多为分离型结构,安装、拆卸比较简单。

    △产品精度
      尺寸公差和几何精度按GB/T307。
      配套圆柱滚子精度等级Ⅲ级(国标GB/T4661)。
      轴承径向游隙符合GB/T4604的0组规定值。
      对于轴承游隙、内切圆、精度等级特殊要求的详细情况应与本公司联系。

    △材料

      滚针材料为GCr15轴承钢,淬硬HRC60—65。
      内外圈材料为GCr15轴承钢,淬硬HRC61—65。
      保持架材料为优质低碳钢。

    △特殊说明

      内部和装配用止动环不能承受任何轴向载荷。
      需考虑内、外圈之间的位移量。
      对传递轴向力的挡边必须有较好的刚性支承。
      轴承一般配置设计见滚动轴承应用技术中相关推荐。

    △标准
      GB/T283—1994滚动轴承 圆柱滚子轴承 外形尺寸(GB-9)
      GB/T285—1994滚动轴承 双列圆柱滚子轴承 外形尺寸(GB-9)
    Cylindrical Roller Bearing

    FYB---cylindrical roller bearing is a bearing unit composed of machined inner & outer races and cylindrical rollers. It is usually used as supporting bearing, one-way locating bearing or location bearing. Because of large amounts of cylindrical rollers with very high dynamic load and static load, it can bear bigger radial force and limited one-way & two-way axial force. With the property of high rigidity, this product is widely used in lathe, metallurgical and textile machinery; motor, driving shaft, gearbox and other location & supporting location.

    Types of Designs:
    Featuring single-row and double-row structure, linear contact between cylindrical roller & raceway, strong capability to bear radial load and structure with cages, it is suitable to the occasion of rotation in high speed. There are ribs in inner & outer races, so the product can bear axial load of certain degree and can be used as fixed side bearing. Most bearings are separable-type design which makes it easy to mount and dismount.

    Product Precision Accuracy:
    Dimensional tolerance and geometrical accuracy is based on GB/T307.
    Matched cylindrical roller precision grade is Ⅲ (ISO GB/T4661).
    Bearing radial running clearance conforms to the value defined by 0 group of GB/T4604.
    For fuller information on the special requirements of bearing running clearance, inscribed circle and accuracy grade, please contact this company.

    Materials:
    Material for needle roller is GCr15 bearing steel, quench-hardening HRC60---65.
    Material for inner and outer races is GCr15 bearing steel, quench-hardening HRC61---65.
    Material for cages is quality low-carbon steel.

    Special Directions:
    Inside and thrust ring for fitting cannot bear any axial load.
    Displacement range between inner and outer races should be considered.
    Better rigid supporting is required for the ribs transferring axial forces.
    For general-disposition design of bearings, refer to the relevant recommendation in the applied technology of rolling bearings.

  • 男子抢劫杀人为“找钱”创业 司机装死逃命 2019-08-20
  • 网上也能搜到各地的房价。北京还有十八万多一平米的房子。 2019-08-19
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