Slew Rings

Internal Hardened Gear Slew Bearing For Tower Cranes This type of slewing bearing the power transmission through internal gear and all hardened gears will stand more wear, thus can prolong service life. The rings which usually incorporate a gear, are provided with holes to accommodate attachment...

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Internal Hardened Gear Slew Bearing For Tower Cranes

This type of slewing bearing the power transmission through internal gear and all hardened gears will stand more wear, thus can prolong service life.

The rings which usually incorporate a gear, are provided with holes to accommodate attachment bolts. The holes may be threaded. Generally, only the raceways in the rings are hardened and precision-finish. Integral seals keep the lubricant in, and contaminants out of the bearing. Slewing bearings are re-lubricated through grease fittings to reduce maintenance and operating costs.


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