Three Row Cylindrical Roller Slewing Bearing with Inner ToothDelivery term:The date of payment from buyers deliver within days
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Three row cylindrical roller combined slewing bearing can carry axial load, tilting moment, and radial load all at the same time. Compared to cross-cylindrical roller slewing bearing the load of each roller is reduced. Point contact is changed into line contact compared with that of a double row ball slewing bearing, the contact stresses are also decreased. Therefore, the load capacity of this design of slewing bearing is the highest under the conditions of a bearing with the same boundary dimensions.
Slewing bearings with integrated gears provide the function of transmitting power and can simplify the main structure in most applications within which they are installed.
Bearings with an internal gear location generally facilitate a compact structure, and allow for less contact stress during intermittent momentary operations. These designs result in the least abrasion for the drives within the contact surfaces. Lubrication is easily maintained, external contaminants are generally kept well under control. The protection requirements for meshing are lower than for bearings with external gearing.
External gear structures are more accessible and easily inspected. The manufacturing precision for these designs require much higher precision in their gearing interface. The larger pitch diameter of these gears provide a much larger transmission ratio, whilst at the same time reduce the peripheral force and torque within the pinion drive.
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