Bore Size:54.99 - 55 mm Outside Diameter:119.99 - 120 mm Precision Rating:P0 P6 P5 P4 P2 Seals Type:OPEN Number of Row:Double Row Weight:1.58kg Thickness:29mm Material:GCR15,Chrome Steel,Stainless Steel Certificate:ISO9001:2008 and ISO14001:2004 Vibration level codes:V4, V3, V2, V1 Hardness:Hrc58-65 Service:OEM or Customised Technology:Low noise, Low libration ,High Precision and Durability Cage material:Steel;Nylon;Brass Main market:Europe ,America,Southeast Asia ,South Africa,Middle East... Show More