05-09-2023, 05:15 PM
Here you go:
https://www.classicbritishspares.com/blo...-clearance
"OOO" is a "C3" internal clearance or 'loose' - notionally intended for use where both inner and outer races are an interference fit on the shaft / case or perhaps where thermal expansion works against running clearance. Some would say a good choice for racing or sports engines, where nothing wants to be 'tight'.
https://www.classicbritishspares.com/blo...-clearance
"OOO" is a "C3" internal clearance or 'loose' - notionally intended for use where both inner and outer races are an interference fit on the shaft / case or perhaps where thermal expansion works against running clearance. Some would say a good choice for racing or sports engines, where nothing wants to be 'tight'.