Product DescriptionTRB RC 5x11x4mm Precision High Speed Clutch Ball Bearing, Ceramic Hybrid. Chrome Steel 52100 (GCr15) ABEC 5 Races with Ceramic Si3N4 Balls, Hybrid Seals, Each Bearing Contains 1 Low Contact Rubber Seal, 1 No Contact Metal Shield.
Part SKU# TRB-MR115-RZ/C
Chromium Steel Races
Ceramic Si3N4 Balls
Low Torque Start Up
Dimensions as follows: ID, OD, Width: 5x11x4mm
This Bearing Can be Used to Replace Part #:
Tamiya: 58041, 58354, 58056
Traxxas: 4611, 5116
Team Associated: 25239, 25618
The Characteristic of Ceramic Balls
Compared with steel, ceramic materials are noted for their better or particular characters, such as wear-resistance, corrosion resistance,high temperature resistance, electrical insulation (except SiC), non-magnetic, high strength, high rigidity, and low specific gravity. These properties qualify them for replacing steel to make bearings serve in conditions of higher speed, harsh environment and less lube, and decrease wear, noise, vibration and maintenance time of bearings, and eventually increase performance, reliability and life of bearings.
But ZrO2, Al2O3 and SiC fail in a crush form,a catastrophic failure.