Editorial Review TRB RC 8x14x3mm Flanged Precision High Speed Ball Bearing, Chrome Steel 52100 (GCr15) with Rubber Seals. Part SKU# TRB-MF148-2RS Chrome Steel 52100 (GCr15) Precision Races Hard Chrome Steel 52100 (GCr15) BallsRubber Seals to Help Fight Dirt Great Quality & Value For Applications Dimensions as follows: ID, OD, Width: 8x14x4mmThis Bearing Can be Used to Replace Part #:Losi: LOSA6948