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June 10, 2020
Geared slewing ring include external tooth and internal tooth four-point contact ball bearings, double-row ball bearings, crossed cylindrical roller bearings, and three-row cylindrical roller bearings When […]
April 9, 2020
Rotary bearing, also known as slewing bearing, is a large bearing which can bear large axial load, radial load and overturning moment at the same time. […]
March 27, 2020
Slewing bearing is an important force transmission component required by a cutting mechanism that two mechanical components rotate in a relative circle and bear axial force […]
March 19, 2020
The slewing mechanism is one of the five working mechanisms of the tower crane, and the slewing support is an important part of the slewing mechanism. […]
March 11, 2020
Introduction of slewing gear parameters. Name and Code Basic parameters Base circle (db, rb): Involute circle Addendum circle (d/ra): A circle connecting the tooth tips of […]
March 4, 2020
Among the crossed roller bearings, cylindrical rollers are arranged perpendicular to each other through spacers on a V-shaped groove rolling surface at 90 degree, so the […]
March 4, 2020
Slewing drive device is one new type slewing bearing product, usually is also called slewing bearing, commonly composed of worm, slewing bearing, housing, motor and other […]
March 2, 2020
Slewing bearing is one support composition loads which is developed step by step during the end of 1940s (axial loads, radial loads and titling moment) large […]