Contains 13-17/64" Diameter balls.
Contains a plastic insert which acts to quiet the bearing, also allowing it to be re-greased.
M at the beginning or the part number designates an all metal inner race.
The unique rib feature (1710 Series only) is designed to help accommodate the variations in tubing I.D. tolerances.
May be ordered with light oil or grease packed lubricant.
S added to end of the part number designates a felt seal added to the front of the bearing.
T added to the end of part number designates of Teflon seal added to the front of the bearing.