国产三级农村妇女系列

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          CHARACTERISTIC OF STRUCTURE,PERFORMANCE AND APPLICATION
            The double-row slewing ring has three seat-ring .the steel balls and spacers may be directly arranged into the upper and lower raceways. two rows of steel balls with different diameters are fitted according to the load.
          Such open mode fitting featurextraordinary  convence .the load angles of both upper and lower race are 90, which enable the bearing to bear large axial force the resutant moment. crossed roller bearing, crossed roller bearings
            When the radial force is large than 1/10 of the axial force the raceways should be especially designed.
            As the axial and radial dimension of the double-row ball slewing rings are rather large, the bearing construction is sturdy,hence it is especially suit able for tower cranes which requiring working diameter over medium range, mobile cranes and loading and unloading machines. crossed roller bearing, crossed roller bearings
            Notes:
            1. n1-number of lurbricating holes, evenly distributed, lubricating nipple M10×1GB1152-1153-79.
            2. Mounting hole n-φ, may be replaced with screw hole, tooth width b may be taken as H-h.
            3. Gear force of periphery given in the table is its maximum value, nominal force of periphery is taken 1/2 of the given value.
            4. The trim top coefficient of outer and inner tooth is 0.1 and 0.2, respectively.

          crossed roller bearings
          crossed roller bearing
           

          bearing
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          国产三级农村妇女系列

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