... :ISO 9001:2008 4.Service:OEM available cylinder roller bearing HX-B ID size: 30-1000MM Certificate: ISO Description: cylinder roller ... /Steel Hardness: HRC60-HRC64 Closures: Unsealed/Sealed Grade: P0,P5,P6 Clearance: C0,C3,C4 Lubrication: Lubrication Groove &3 Holes in ... and lifting machines and other industrial machines. cylinder roller bearing HX-B