Bearings and Control Links include traction and torque reaction rods for rail and off-road vehicles, hydraulic damper fixings. Ashika Commercial Pvt. Ltd. Manufactures Bearings and Control Links. Ashika Commercial Pvt. Ltd. Is an ISO 9001-2000 certified company that supplies air springs for railway rolling stock, precision engineering machine components. Bearings and Control Links are used for applications where a high radial load bearing, with low rotational stiffness is required. Control links are suitable for all types of heavy vehicles, offering excellent axle location under braking and traction forces. These Control Links are available in varying Lengths and fitted with ultra duty, inner sleeve bushes.