Attributes . Assembled, Adjusted and Pre-Lubricated in Advance for Immediate Use, Close Fit Oversized Collars Act as Flingers for Additional Protection in Dusty or Damp Environments, Housings of Class 30 Cast Iron, Standard V-Guard(TM) Nitrile and Teflon Contact Seal or Balanced Labyrinth Seal, Timken(TM) Lithium Complex Grease Operating Temperature is upto 250 Degrees , High Temperature Grease is Available upto 350 Degrees . Names