1.Direct manufacturers tapered roller 2.mainly used to bear radial load 3.mainly radial and axial joint load Direct manufacturers tapered roller bearingsFeathers & Specification of ATM Roller Bearings:Brand NameATMSeries:22200, 22300, 23000, 23100, 23200, 23900, 24000, 24100 …Ring Material:GCr15 GCr15SiMnCage Material:Brass, SteelID Size:100mm-1600mmQuality standard: ISO 9001:2000 standard ...