Tenders for Supply of Heavy Duty Swivel Castor Generally To Is 7369/1983 Fitted With Poly Urethane Wheels Moulded On Cast Iron Core Equipped With Sealed Ball Bearings No: 6205Zz, Size: Od Of Wheels - 200Mm, Hub Length - 82Mm, Thread Length - 75Mm, Total Castor Height - 250Mm.