020 series slewing ring
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020 series slewing ring - 1

6.Double Row Ball Slewing Bearing XUZHOU WANDA SLEWING BEARING C0.,LTD. Characteristic of structure, performance and application Double row ball slewing bearing has three seat ring, the steel ball and the spacing block can be directly arrange into the upper and lower races, two rows of upper and lower steel balls with different diameter are fitted according to the stress condition. This kind of open assembly is very convenient, for the upper and lower bear raceway arc angles is 90°,which can bear large axial forces and tilting moment. When the radial force is greater than 0.1 times the axial force need to be specially designed the raceway. Double row different ball slewing bearing's axial and radial size are relatively large and solid in structure, so it is specially suitable for the medium diameter tower cranes, truck mounted cranes etc. loading and unloading machinery. 1. nl is the nos of lubricating holes.Oil cup M10xlJB/T7940.1~JB/T7940.2.The Oil nipple's location can be change according to the user's application. 2. n-cpcan change to tapped hole,the diameter of tapped hole is M,depth is 2M. 3. The tangential tooth force in the form is the max tooth force,the nominal tangential tooth 4. "K" is addendum reduction coefficient.

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