Tto Tto Oil Seal, NBR, 5MM Thk, ID 40MM x OD 52MM The TTO Taiwan Oil Seal (40x52x5 mm) is a high-quality rotary shaft seal designed to prevent the leakage of lubricants and protect machinery from dust, dirt, and contaminants. Manufactured from NBR... Quick view Qty in Cart: 0 Price: Log in for pricing and quote Subtotal: