Bearing Buddy Cover Sizes. Produced with the highest quality standards to assure the durability that characterizes our product. Design makes bearing buddy easy way to protect bearings by keep water out ensuring enough grease in hubs.
We offer replacement bras for Bearing Buddy grease caps in three sizes parts BB23B BB19B and BB17B. The Replacement Bearing Buddy Bras dust covers BB19B that you referenced are intended to fit several different sizes of Bearing Buddy from 198-inches up to 2080-inches. The Bearing Buddy pair you were looking at part BB1781 fits a 1781 inch hub bore.
Fulton Bearing Protector 198 Pair with Covers.
Bearings - Dust or Grease Caps. Suits standard 45mm inner diameter hub cone. The model number of each Bearing Buddy indicates what size hole they fit. Manufacturers 5 Year Limited Warranty.