GW200..PPB Triple lip seal,Farm implement bearings,Relubricatable typeHex bore is designed to be used for outer or inner ring rotation in low-speed, moderately-loaded applications, primarily in agricultural implements and conveyors. Tolerances of the hex bore are suitable for mounting on cold rolled hex shafting. Main advantage is ease of mounting. Except for axial positioning by adjacent parts, no collars, setscrews or other locking devices are required to lock the inner ring to the hex shaft.Phone: +86-592-580 8851 / +86-592-580 7618Email: sales@ldk-bearing.com ; benjamin@ldk-bearings.com