https://www.ngswbtec.com/products/excavator-slew-bearing/ Excavator Slew Bearing, During the after-market parts of excavator, swing bearing is one important parts, SWBTEC supply the same quality with OEM.SWBTEC excavator swing bearing have been sold to East Asia, South Asia, Middle East, South America, Europe. Except the normal excavator slewing model which can produced by most company, SWBTEC often develop new model excavator slew ring from old sample measurement, for example, UH025-7, UH055-7, UH081, UH083, MS180-3, MS180-8, MS110-5, MS110-8, LS2800EJ, EX200-1 SUPER swing bearing excavator and so on.