Earlier comment 103.0205 Table Saws does not need lubrication is simply wrong.
The103.0202, 103.0203, 103.0305 Craftsman Companion Table Saws main Arbor axle DOES have to lubricated or else the axle bearing will quickly loosen side-to-side or vertically and fail to provide accurate saw cuts.
FWIW, Sears no longer sells Arbor Axle replacement parts... The Table Saw Arbor axle and Bearing Housing cannot use sealed bearings unless the saw case is re-milled and extensively modified. There are 2 Oil Hole Plugs (part# 475-32) that need to be opened and oil applied so the Arbor axle shaft does not get scored or worn.
I use 30wt motor oil to relube the Arbor Axle Shaft depending on amount of use, temperature, and axle rotation stiffness.
Remember, the higher the RPM speed of the table saw motor and/or the longer the use, the more frequently you may need to relube the Arbor Axle Bearing!
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