1、Reference Part Number: Fit for Highton 7000 DL; Fit for Dexter 010-036-00 (10-36); Fit for TruRyde GS 2250DL; Fit for National 452920 482920; Fit for NOK AD3135E1 AD3135EO. 2、Fitment: Trailer hub wheel grease seal, 2.25in I.D x 3.376in O.D, fits for Dexter Texcom Axle, hub wheel, Spindles of trailer, RV, 5200 to 7000lb Trailer Axles D42. 3、Reliable Material: Constructed with chrome steel and high density rubber, the double lip grease seal boasts superior hardness, wear resistant. Its suitable elasticity ensures its excellent performance in high load use over an extended period. 4、Excellent Sealing Performance: The seal effectively prevents the leakage of liquids and gases such as lubricating oil and hydraulic oil. Superior sealing ensures stable internal pressure while keeping out harmful dirt, dust, and water. 5、Smooth Wheel Operations: Its assuring sealing function protects wheel bearings in trailers for smoother and more reliable operation, enhancing your overall trailer experience.