single row crossed cylindrical roller slewing bearings medium size single row crossed cylindrical roller slewing bearings are compact, with strong, full-size rings. Depending on the size, they are available with two different fixed cross-sections within each of the three series. To simplify installation, the inner and outer rings have a standardized number of equally spaced holes for attachment bolts.
The standard single row medium size crossed roller slewing bearings († fig. 1) listed in the product tables include bearings with a mean raceway diameter ranging from 414 to 1 904 mm and are available with any of the following gear configurations:
• with an external gear (a), RKS. 161 series designation
• with an internal gear (b), RKS. 162 series designation
• without a gear (c), RKS. 160 series designation
These slewing bearings are available from stock or within short lead times. For up-to date information about availability, contact the application engineering service. medium size crossed cylindrical roller slewing bearings feature a unique and cost effective combination of load carrying ability, stiffness, and speed capability. These features open a wide application field for medium size crossed cylindrical roller slewing bearings. Typical applications include, but are not limited to, earth moving, construction and ma terial handling equipment as well as robotics. Medium size crossed cylindrical roller slewing bearings can be operated continuously at circumferential speeds of up to 1.5 m/s and up to 2 m/s for brief periods.