Redi-Seal Program Can Produce Custom Seal In 24 Hours ,Specifications: Solid / Split:-Solid Shaft Diameter:-3.250 in Outside Diameter:-4.506 in Width:-0.375 in Design Type:-41 Lip Material:-Nitrile Casing:-With Inner Case Seal Type:-Double Lip with Spring Maximum Shaft Surface Speed:-3000 fpm Misalignment Tolerance:-0.015 in at 800 rpm; 0.010 in at 4200 rpm Construction Description:-Dual Lip, Spring Loaded With Inner Case Typical Application:-General Purpose Weight:-0.48 lbs