RKS.21 0741 four-point contact ball slewing bearings,634x840x56mm used for truck equipment

RKS.21 0741   Single row four-point contact ball slewing bearings are simple in design. They are particularly versatile and offer many advantages for applications where there are light-tomedium axial, radial and moment loads.

RKS.21 0741   The outer ring and inner ring material: 42CrMo, 42CrMo4V,50Mn in accordance with EN
10083
Ball material: 100Cr6 bearing steel,in accordance with EN ISO683
Geart teeth accuracy grade: in accordance with ISO1328
Oil or grease material:Lithium grease
The inner ring and outer ring Material  hardness: quenching and tempering: HB229~269
Raceway case hardening :HRC55~62