BAU3SLX2Refers To A Specific Type Of High-Performance Rotary Shaft Seal. These Seals Are Designed For Demanding Sealing Applications Involving Rotating Shafts, Providing Superior Protection Against Dust And Contaminants. Additional Dust Lip (Or Protective Lip) To Guard Against Exterior Soiling
72NBRDesignates A Type Of Nitrile Butadiene Rubber (NBR) With A Hardness Of Approximately 70–75 Shore A