frame material: Sealmaster STH-211-18 Take-Up Bearing & Frame Assemblies

bore diameter::55 mm; housing material::Cast Iron; travel::18 in; locking device::Setscrew; frame overall length::27.3750 in; seal type::Standard Felt Seal; frame type::Center Pull; overall height::2.5000 in; bearing type::Ball Bearing; overall length::30.8125 in; duty type::Standard Duty; operating