2 bolt flange waterproof units are bearings that are mounted within a flanged housing and are used when the bearing mounting surface is perpendicular to a shaft access. 2 bolt flanged ball bearing units have a diamond or winged shape with two holes for mounting. At Bearings Direct we offer waterproof 2 bolt flange waterproof units that are made from thermoplastic with a stainless steel insert bearing and are ideal for use in clean operations and applications. For additional information about waterproof two bolt flange bearing units, our team is standing by to answer questions. Contact us today!