Tapered Roller Bearingssize: Φ228.46*Φ431.8*184.15Produce metric series and inch seriesI.D dimension : from 100~1000mmCage : pressed steel cage ,pin type cageRing Material: GCr15SiMn, GCr15,20Cr2Ni4APrecision: CLASS 4 (P0)Product sorts: non-standard bearings