Editorial Review TRB RC 5x9x3mm Precision High Speed Ball Bearing, Chrome Steel 52100 (GCr15) ABEC 3 with Rubber Seals. Part SKU# TRB-MR95-2RS Chrome Steel 52100 (GCr15) ABEC 3 Races Hard Chrome Steel 52100 (GCr15) BallsRubber Seals to Help Fight Dirt Great Quality & Value For Applications Dimensions as follows: ID, OD, Width: 5x9x3mmThis Bearing Can be Used to Replace Part #:Blade: BLH5558