- Brand: IPTCIBearing Material: AISI 52100, Hard Chrome Coated SteelBore Diameter: 1.25 inClosure (Seal) Type: IP69K-Type, QCW SealsDuty Type: StandardHousing Material: High Strength Corrosion Resistant Housing, Nickel Plated Ductile IronLocking Type: Set ScrewRelubricatable: Lubed for Life