sealed bearing types

[jimmyhackers]

not an a grade engineer here.

basically im goign to oil fill my hub. i may need to replace the bearings if they leak through.

what, if any are the technical terms for the type of bearings id need to be "oil" proof?

i.e. doe they have a differnt design type name or designation.

thanks in advance
jim

 

[Deleted member 4366]

Sealed bearings normally have a suffix RS in the designation. There's a complete explanation here:

http://www.skf.com/uk/products/bearings-units-housings/roller-bearings/principles/bearing-basics/basic-bearing-designation-system/prefixes-and-suffixes/suffixes-p-s/index.html