Ntn FORMULA6004-1B Formula Bearing

I.D. x O.D. x Width: 20 x 42 x 12.
Yamaha suspension.

To say bearings are important is an understatement. Your snowmobiles entire performance is based on it is bearings and their total drag coefficient. At NTN, we engineer integral features into every Formula snowmobile bearing, producing unequalled performance and longevity. The fact that NTN is North Americas leading supplier of OEM bearings has enabled us to build what no other manufacturer could...a bearing specific to the sport of snowmobiling. The result is formula by NTN. Super finished raceways. Premium hardened steel construction. Precision assembly. Special low temperature grease. Optimum grease fill for performance and longevity. Steel reinforced seal. Riveted steel cage. NTN exclusive blue low drag double lip seal. Manufactured to tolerance tighter than industry standards. North Americas leading supplier to OEM.