McMaster 9486K63 Oil Resistant Buna N O Ring Assortment, 200 Pieces, 12 Dash Number Sizes TY25MX A Series Regent Caster Type Swivel Series Regent Caster Type Swivel Caster Brake Type Side Brake Duty Rating Light Duty Load Capacity 160 lb Wheel Diameter 5 in Wheel Width 1 in Wheel Tread Material Rubber Wheel Core Material Polypropylene Wheel Hardness Rating 65 Shore A Wheel Tread Color Gray Tread Shape Donut Wheel Bearing Type Plain For Axle Diameter 5 16 in Mounting Plate Shape Rectangle Mounting Plate Width 2 5 8 in Mounting Plate Length 3 3 4 in Mounting Plate Thickness 3 32 in Mounting Height 5 7 8 in Mounting Bolt Diameter 5 16 in Mounting Hole Type Slot Caster Frame Material Steel Frame Finish Zinc Plated Brake Location Left Side Non Marking Yes Caster Features Debris Resistant Working Pressure (PSI) 125 Whip Check Cable Type Hose to Hose Safety Cable Type Whip Check Safety Cable For Maximum Hose Pressure 125 psi Cable Dia All have a round profile and are suitable for a wide range of static and dynamic sealing applications They resist animal