Specification Brand : Ochoos BulletPoint1 : Material: Steel BulletPoint2 : Model number: 18307 BulletPoint3 : Torque capacity: 99 BulletPoint4 : Surface roughness: Ra 0.8 BulletPoint5 : Coatings: Steel Color : Bronze ExternallyAssignedProductIdentifier1 : 0747857539382 ExternallyAssignedProductIdentifier2 : 747857539382 ItemForm : Sheet ItemName : Ochoos 2pcs 6903/18 18307-2RS 18307 6903 RS MR18307-2RS nonstandard Bike Bicycle Bearing ItemShape : Square ItemTypeKeyword : quick-lock-shaft-collars Manufacturer : Ochoos Material : Other NumberOfItems : 1 PartNumber : OCH-E4254B02EF9773FD332B08C5A5D17DB2 ProductDescription : Model 18307-2RS Dimensions Bore (d) 18 mm Diameter (D) 30 mm Width (B) 7 mm Seals Type 2RS(Two side rubber) Quality P0.Z2 / ABCE-1.Z2 Material Bearing steel (Gcr15) Delivery date Upon request delivery Bike repair bottom bracket bearings: bearing steel, double seal. Bearing with low noise grease fill and stable performance. Welcome to purchase. If you need other model bearing but Didn't find it on my store,Please contact me, thank you! For enterprises to provide professional supporting bearing, welcome consultation discussion! As a professional bearing products supplier with many years experiences,we could offer many kinds of good quality ball bearings. We are open to all sincere buyers, for further information, welcome to make inquiry, thank you for taking time to read our information! window.adminAccountId=201815596. Item specifics: Material: Steel Model number: 18307 Torque capacity: 99 Surface roughness: Ra 0.8 Coatings: Steel Structure: ball ProductSiteLaunchDate : 2019-02-25T12:13:17.258Z Size : D1.5xOD3xH1.2 SpecificationMet1 : Iso SpecificationMet2 : Din SpecificationMet3 : Ansi Style : Modern UnspscCode : 31171500