... load capacity, transmission and aeration, anti-skidSteel product standard: China YB/700-88Features: manufactured according to customers' requirementsFor example:1) Bearing ... StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar 7StandardChina: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),UK ...