Yeah, sorry about being late also. We were camping last weekend!
Pull off one of your bearing dust caps.
Look closely at the end of the spindle. If there is no grease fitting
there it still might be drilled and tapped for one.
If it's drilled all you need are some 1/4-28 straight grease fittings
and maybe some new dust caps with the removable rubber center.
You can get them at etrailer.com
They are most likely 2" like this--
Use Lithium complex #2 grease