Originally Posted by
dscheidt
Well, yes, but NLGI number is not the only specification that matters. The number is merely an indication of its consistancy. It doesn't tell you anything about what the soap is, what the viscosity of the oil is, nor what additive package is in use. all of that matters.
In an internal-combustion engine, automobile axle, or high RPM/high load application; yes. On a bicycle bearing; not so much...