Fits through a 7/8" clearance diameter

packaging (lb) 23

which is available from the resistive charging electrode

O-Ring 2-1/4" OD

Grizzly G8164 - 4" Heavy-Duty Fixed Caster 2 Tons. Fits through a 7/8" clearanceG8164 4" Heavy Duty Fixed Caster This heavy duty wheel has an injection molded polyurethane elastomer tire surface. Polyurethane is hard wearing, handles high loads, and will not mark the floor. The caster has roller bearings which can be re greased using the grease fitting. Size: 4" Fixed Width: 2" Capacity: 550 lbs. Mounting Plate Dimension: 4. 49" x 3. 94" Distance Between Holes: 3. 46" x 2. 95" Height to Mounting Plate: 5. 39"