5x10x4mm Bearing with Blue PTFE Heat Resistant Rubber Seal. (MR105-2RS)
Plaig Bearings are a stronger, more reliable bearing with greater heat resistance and superior life to the standard factory bearings. We stock all other sizes of bearings for RC Cars and also sell Complete Bearing Kits for many popular brands of vehicles.
Certain Brands use their own part numbers for bearings, here are a few that this size may correspond with: E0602 25237 B021 25619 MR105-2RS Tamiya HSP 02139 HPI