Sealmaster SFT-20 Standard Duty Flange Cartridge Unit Felt Seals 5-1/8 Bolt Hole Spacing Width 9/16 Flange Height Cast Iron Housing Regreasable ±2 Degrees Misalignment Angl 2 Bolt 1-1/4 Bore 6-1/8 Overall Length Setscrew Locking Collar 