V-Guide Double-Sealed Stainless Steel V-Wheel VWSSXD4 Size 4 - Diameter: 60mmDouble Sealed Stainless Steel V Wheel, 60mm diameter (Size 4) are permanently sealed and lubricated. V Guide wheels are dual row angular contact roller bearings offering low friction guidance for linear motion in washdown applications. They can be used with internal or external 90 degree rails, as well as round shafts. Size 4 = 60mm diameter 440 stainless steel construction Double sealed and lubricated Designed for use in washdown applications Matches