... Oil seal 1.NBR,FKM..etc 2.Different Color 3.TA TB TC SA SB SC...etc. 4.Fast delivery Double Lip ... . to 300 mm (12") shaft dia. & in different designs like TC, SC, TB, SB, etc. 1. Material: NBR, SILICONE, VITON, HNBR ... choose on your requirement.2. Types of Rubber Oil Seal: TC, TB, TA, SC, SB, SA, VC, VB, VA, KC, KB, KA ...