Complete bearing kit for a 6k axle with 2.125 in ID Seal.  1 kit is needed per wheel. Kit Includes • 25520 Inner race  (3.265" OD) • 25580 Inner bearing  (1.750" ID) • 15245 Outer race  (2.441" OD) • 15123 Outer bearing  (1.250" ID) • 10-10 Double lip seal  (2.125" ID) • 165649 Cotter pin