80mm swivel/brake castor with blue elastic rubber on nylon centre wheel

80mm blue elastic rubber castor with top plate.This swivel with brake castor has a blue solid elastic rubber wheel with nylon centre, plain bearing.The brake locks both swivel and wheel at the same time.Item dimensions as follows:Wheel diameter: 80mmWheel tread width: 32mmWheel bearing: Plain bearingTop plate size: 100x80mmMounting hole centres: 80x60mmMounting hole size: 9mmOverall height: 111mmLoad capacity: 140kgHardness of wheel tread 70° Shore A.Low rolling resistance, low operating noise and very good floor preservation. Non-marking.The high elasticity of the rubber makes the wheel resume to its round shape faster, avoiding flat spots, and therefore gives a lower rolling resistance than for standard grade rubber.Good chemical resistance, except to oils.