tower bearing grease ? greased ?

[209 first class]

i got a bearing for the top o my tower, it came with a plastic plug in the hole where the grease nipple goes, and the nipple separate in the bag. am i supposed to grease it or are all bearing greased before they leave the factory? (im not sure they are open on saturday for info) 209

[DOMINATOR]

Well grease it any way, just until it comes out a bleed hole if it has one, better safe then sorry. Not sure what is recommended for your unit.

D