TRB RC 4x7x2.5mm Precision High Speed Ball Bearing, Chrome Steel 52100 (GCr15) ABEC 3 with Rubber Seals.
Part SKU# TRB-MR74-2RS

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: 4x7x2.5mm

This Bearing is Compatible with Part #:
Compatible with Traxxas: 5124
Axial: AXA1210
Align: HS1222