TRB RC 5 x 10 x 4mm Precision High Speed Clutch Ball Bearing, Chrome Steel 52100 (GCr15) with Metal Shields.
Part SKU# TRB-MR105-ZZ

Chrome Steel 52100 (GCr15) Precision Races
Hard Chromium Steel Balls

Dimensions as follows: ID, OD, Width: 5x10x4mm

This Bearing is Compatible with Part #:
Kyosho: BRG001
Losi: LOSA6954
HPI: B021
Compatible with Traxxas: 5115, 4609
TLR: TLR6932
Team Associated: 25237