Originally Posted by
rline
Need help,
Changing the tamiya 850 & 1150 bearings to Ceramic.
does anyone have the sizes off hand?
The way to tell the sizes are right in the numbers you posted. 850 is an 8mm outer dia by 5mm inner (usually called a 5x8). 1150 is 11mm outer, 5mm inner (5x11). That's how tamiya refers to sizes.