Husqvarna Ball Bearing OEM #521521301

This part replaces obsolete part #: 544258401 and .

Compatibility
This part is compatible with the following machines:

Husqvarna
170BF (2006-03) Backpack Blower
170BF (2008-10) Backpack Blower
170BT (2006-03) Backpack Blower
170BT (2008-10) Backpack Blower
180BF (2008-02) Backpack Blower
180BF (2008-10) Backpack Blower
180BT (2008-02) Backpack Blower
180BT (2008-10) Backpack Blower
370BTS (2009-03) 64.9cc Backpack Blower
380BFS (2009-03) 72cc Backpack Blower
380BTS (2009-03) 72cc Backpack Blower
560BFS (2011-10) 65cc Backpack Gas Leaf Blower
560BTS (2011-10) 65.6cc 2-Stroke X-Torq Gas Backpack Blower
570BFS (2011-05) 65.6cc 2-Cycle Backpack Leaf Blower
570BTS (2011-05) 65.6cc 2-Cycle Backpack Leaf Blower
580BFS (2011-05) 75.6cc 2-Cycle Backpack Leaf Blower
580BTS (2011-05) 75.6cc 2-Cycle Backpack Leaf Blower
578BTF (2014-09) Blower
360 BT Blower
580BFS MARK II (580BTS Mark II) Blower

Jonsered
BB2280 (2013-11) Blower