Ianmac bearing oil query

[diviy]

Fitted my bearing last nigbt he put thick oil in for transport but said to chaange it to a sae 15 oil .I have some airtool oil that's rated at sae15 .
what oil do you use in your Ianmac bearing .

[Ianmac]

Have sent you further info on the oils I use.
Im currently evaluating silicon based lubricant with a small resevoir above the vent hole to ensure the total shaft stays immersed in lubricant .