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> Bearings

SKF medium size slewing ring bearings

Structure: four point contact ball type and crossed roller type
Gear Teeth: External/internal/without
Seals: NBR
Material: GCr15/52100/100Cr6/customized
Product description: SKF medium size slewing ring bearings including four point contact ball type and crossed roller type, customer can select according to applications.
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Product introduction

SKF medium size slewing ring bearings including four point contact ball type and crossed roller type, customer can select according to applications. Four point contact ball slewing rings can meet the requirement of most applications, and has the advantage of higher limit speed and higher cost performance. But when the application requires stiffness of the bearings, or higher positioning accuracy, a crossed roller type will be the better choice.

SKF slewing bearings are user-friendly because the slewing rings of these two types(crossed roller type and 4-point contact ball type)are designed with same PCD of the mounting holes, which means they can replace each other, and save the time and cost of redesigning or manufacturering the related components during replacement.

Medium size slewing ring bearings with external gear


dm (mm)	H (mm)	Je (mm)	Ji (mm)	Four point contact ball type	Crossed roller type
414	56	455	368	RKS.061.20.0414	RKS.161.14.0414
544	56	585	498	RKS.061.20.0544	RKS.161.14.0544
644	56	685	598	RKS.061.20.0644	RKS.161.14.0644
744	56	785	698	RKS.061.20.0744	RKS.161.14.0744
844	56	885	798	RKS.061.20.0844	RKS.161.14.0844
944	56	985	898	RKS.061.20.0944	RKS.161.14.0944
1094	56	1135	1048	RKS.061.20.1094	RKS.161.14.1094

Medium size slewing ring bearings with internal gear


dm (mm)	H (mm)	Je (mm)	Ji (mm)	Four point contact ball type	Crossed roller type
414	56	460	375	RKS.062.20.0414	RKS.162.14.0414
544	56	590	505	RKS.062.20.0544	RKS.162.14.0544
644	56	690	605	RKS.062.20.0644	RKS.162.14.0644
744	56	790	705	RKS.062.20.0744	RKS.162.14.0744
844	56	890	805	RKS.062.20.0844	RKS.162.14.0844
944	56	990	905	RKS.062.20.0944	RKS.162.14.0944
1094	56	1140	1055	RKS.062.20.1094	RKS.162.14.1094

Medium size slewing ring bearings without gear


dm (mm)	H (mm)	Je (mm)	Ji (mm)	Four point contact ball type	Crossed roller type
414	56	460	368	RKS.060.20.0414	RKS.160.14.0414
544	56	590	498	RKS.060.20.0544	RKS.160.14.0544
644	56	690	598	RKS.060.20.0644	RKS.160.14.0644
744	56	790	698	RKS.060.20.0744	RKS.160.14.0744
844	56	890	798	RKS.060.20.0844	RKS.160.14.0844
944	56	990	898	RKS.060.20.0944	RKS.160.14.0944
1094	56	1140	1048	RKS.060.20.1094	RKS.160.14.1094