Specification Brand : National BulletPoint1 : PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for outstanding durability and performance BulletPoint2 : SMOOTH ROTATION -- Crowned raceways and rollers for even load distribution BulletPoint3 : OE-STYLE DESIGN -- Engineered to meet OE specifications BulletPoint4 : COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications BulletPoint5 : RIGOROUS TESTING -- Comprehensive testing throughout design and development processes by National engineers for quality you can count on BulletPoint6 : Premium materials and precise manufacturing ensures consistent reliability BulletPoint7 : Premium steel grades for durability and performance BulletPoint8 : Premium bearing design matches OEM specifications ExternallyAssignedProductIdentifier1 : 724956160495 ExternallyAssignedProductIdentifier2 : 0724956160495 ExternallyAssignedProductIdentifier3 : 00053893035956 IncludedComponents : Alloy Steel ItemName : National 555S Taper Bearing Cone ItemPackageDimensions_Height : 19.812 centimeters ItemPackageDimensions_Length : 4.8006 centimeters ItemPackageDimensions_Width : 13.1064 centimeters ItemPackageQuantity : 1 ItemShape : Single Cone ItemTypeKeyword : tapered-roller-thrust-bearings Manufacturer : National Material : manmade ModelNumber : 555S NumberOfItems : 1 PartNumber : 555S ProductDescription : 30305 Bearing Size: 25 mm ID, 62mm OD, 18.25mm Width, 13000rpmEaled bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use Complete single tapered roller bearing assemblies are generally mounted in opposing pairs on a shaft to evenly distribute loads. They incorporate logarithmic roller and raceway profiles with a optimized surface finish for ultimate roller to flange contact. These features result in reduced noise and smooth operation. Widely used in transmissions, span styleoil or greased, high radial and axial load, trailer and caravan axles, gearboxes and differentials, span. ProductSiteLaunchDate : 2011-04-23T20:59:06.494Z Size : 0.140" Max Shaft Fillet Radius SpecificationMet : Oe StreetDate : 2017-05-15T00:00:01Z Style : Straight Bore SupplierDeclaredDgHzRegulation : unknown UnitCount : 1