TRB RC (10) 7x14x5mm Precision High Speed Ball Bearing, Chrome Steel 52100 (GCr15) ABEC 3 with Blue Rubber Seals.

Chrome Steel 52100 (GCr15) ABEC 3 Races
Hard Chrome Steel 52100 (GCr15) Balls
Rubber Seals to Help Fight Dirt
Great Quality & Value For Applications

Dimensions as follows: ID, OD, Width: 7x14x5mm