A sealing device and freight train axle box for $sealing up axle box axle temperature probe hole

The utility model discloses a sealing device and freight train axle box for $sealing up axle box axle temperature probe hole is equipped with the seal groove along axle temperature probe hole periphery, and this sealing device is located between seal groove and the bearing inner race, the shape phase -match of sealing device's shape and seal groove, fill up including sealed, be equipped with the skeleton at middle part or the upper surface that seals the pad, be equipped with the seal lip crossing with sealing the pad at the sealed upper surface that fills up, the beneficial effect of the utility model: producing through seal lip laminating bearing inner race and sealing the effect, support sealing device through setting up the skeleton, the skeleton relies on its great compression rigidity, supports sealing device, prevents that sealing device from deviating from from the seal groove, the sealed thickness that fills up with the thickness of skeleton is less than the minimum degree of depth of seal groove so can not lead to interference fit and influence sealing device's equipment, overall structure is simple, and simple to operate has solved the sealed problem of swift freight train truck journal box.