(Set of 4) WPS 3500# Trailer Tandem Axle Bearing Kits L68149 L44649 Grease Seal 10-19 I.D. 1.719'' for #84 Spindle 4 sets of inner bearings and races L68149/L68111 4 sets of outer bearings and races L44649/L44610 4 pieces of double lip grease seals 10-19 (171255TB, 1.719'' I.D.) Bearing kit for 3500# trailer axles