Attributes . Pre-Lubricated and Made to ABEC-1 Tolerance, Encased in an Extra Thick, Non-Conductive Oil Resistant Rubber Liner Which Corrects up to a 2 Degrees Misalignment While Reducing Vibration and Noise, Rust-Proof Plated Finish, Neoprene Seal Keeps Contaminants Out Allowing for Usage in Wet or Dry Conditions, Wide Inner Race Locks Securely to the Shaft with Two Set Screws . Names