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2AS (Shell Alvania 2S), 5K (Kyodo Multemp SRL) and 3AS (Shell Alvania 3S) are considered NTN standard greases: L627 (Polyrex EM) is the current standard grease for most aftermarket inventory. 5K (Kyodo Multemp SRL) is the standard for micro bearings. 3AS (Shell Alvania 3S) is the standard in bearing units.
