• Single Row Crossed Rollers Slewing Bearing (Standard Series HJ)

Single Row Crossed Rollers Slewing Bearing (Standard Series HJ)

Short Description:

Single row crossed roller Slewing Bearing is composed of two seat-rings.It features compact in design,light in weight,high precision and small fitting clearance. As the rollers are 1:1cross arranged,it is suitable for high precision mounting and capable to bear axial force,titling moment and relatively large radial force.

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Product Description

Slewing bearing is a rotational rolling-element bearing or plain bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill. Compared to other rolling-element bearings, slewing ring bearings are thin in section and are often made in diameters of a meter or more. Slewing bearings are often made with gear teeth integral with the inner or outer race, used to drive the platform relative to the base. As a professional slewing rings supplier, we provide small and large swing bearing with high performance.

Xinda’s single row crossed roller slewing bearing ring's axial and radial clearance’s precision is high.The slew bearings are mainly made of 50 Mn, 42CrMo.You can supply the slewing bearing drawing or let me know the standard model for brand, we can make the OEM to you as drawing .Our product widely used for hoisting,transporting,construction machinery as well as for military products. 


The temperature range for normal operation of slewing ring between -25 degrees Celsius to +70 degrees Celsius.Slewing rings for use at lower or higher temperatures can likewise be manufactured whereby a special construction by our manufacturing department is required.

Technical Note

1.Lubricating nipple M10*1,n1 is the number of lubricating holes,evenly distributed.

2.Mounting hole can 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 space-shift coefficient given in the table is the data of outer tooth,while that of inner tooth is +0.35.

5.The list in the table is our regular products,if you need others ,please contact us,we can design.  


Product Parameters


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