The Yale 900310100 is a genuine OEM oil seal, often referred to as a Simmerring, designed for various Yale material handling equipment. This critical component ensures effective sealing, preventing lubricant leakage and protecting internal components from contaminants. Manufactured from durable NBR (Nitrile Butadiene Rubber), it offers excellent resistance to oils and wear. With precise dimensions of 45mm inner diameter, 62mm outer diameter, and 8mm height, it provides a perfect fit and reliable performance in demanding applications.