A hub seal has a side lip and is intended for sealing of a space between an outer ring and a hub of a hub bearing. In the hub seal, a value (torque T/shaft-diameter D) resulting from division of torque T as a value of torque of the hub seal in the hub bear...

A hollow fiber membrane module includes a pair of plate-shaped portions for forming a passage for a fluid that flows through exteriors of a plurality of hollow fiber membranes between an inner circumferential surface of a case and the plurality of hollow f...

A hollow fiber membrane module including a plurality of hollow fiber membranes, a case, in an accommodation interior of which the plurality of hollow fiber membranes are accommodated, the accommodation interior being open at both ends, and a pair of sealin...

A case has a first pipe and a second pipe. In the case, a holding member that holds a plurality of hollow fiber membranes is provided. The holding member includes a first plate-shaped portion and a second plate-shaped portion provided to sandwich the plura...