This kit is enough bearings for 2 wheels and it is following years and models:

2007 - 2011 4X4 Yamaha 350 Grizzly
2007 - 2012 4X4 Yamaha 400 Big Bear
2007 - 2008 4X4 Yamaha 400 Grizzly
2005 - 2006 4X4 Yamaha 400 Kodiak
2007 - 2010 4X4 Yamaha 450 Grizzly
2005 – 2007, 2020 - 2022 4X4 Yamaha 450 Kodiak
2004 - 2014 4X4 Yamaha 550 Grizzly
2003 - 2008 4X4 Yamaha 660 Grizzly
2016 - 2023 4x4 Yamaha 700 Kodiak
2004 - 2021 4X4 Yamaha 700 Grizzly