Light series single-row four-point contact ball slewing bearings have a thin and fixed cross-section, irrespective of the inner or outer diameter. The inner and outer rings have a standardized number of equally spaced holes for attachment bolts, to simplify installation.
These lightweight general-purpose slewing bearings provide a cost-effective solution for light to medium-duty arrangements, which do not require high precision. Examples include: aerial work platforms, robotics, industrial positioners, turntables and some material handling equipment.
Light series single-row four-point contact ball slewing bearings with a mean raceway diameter ranging from 411 to 1091 mm and are available with any of the following gear configurations:
• an external gear QRKS.21 series
• an internal gear QRKS.22 series
• without a gear QRKS.23 series