Specification Brand : NMD BulletPoint1 : ID = 50mm BulletPoint2 : OD = 68mm BulletPoint3 : Height = 7mm BulletPoint4 : ✔Performance-It can be used to protect shafts and bearings from dirt and foreign matter and grease seepage, and has good resistance to a variety of mineral oils,petroleum oils, hydraulic oils and lubricating greases. BulletPoint5 : ✔Warranty - Six months warranty, free refund if there is any quality problem during the warranty period. ExternallyAssignedProductIdentifier1 : 0638563107265 ExternallyAssignedProductIdentifier2 : 638563107265 ItemName : TC 50X68X7 Rotary Shaft Oil/Dust Seal 50mm ID X 68mm OD X 7mm Height ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : lip-seals Manufacturer : NMD Material : NBR NumberOfItems : 1 PartNumber : TC 50x68x7 ProductDescription : You are buying a premium quality seal. Size : 45x62x7mm SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31000000