The SKF 99859 is listed in the SKF Wear sleeves product series under shaft seals. The product title identifies it as an SKF Speedi-Sleeve.
The wear sleeve is identified by model 99859, brand SKF, and series Wear sleeves. Its category path is Brand > SKF > Seals > Shaft seals > Wear sleeves.
The supplied data also records 25.4 mm for field lbbt1, 139.65 mm for lbbt2, 139.7 mm for lbbt3, 20.65 mm for lbbt4, and Gold for lbbt5. No further interpretation of these fields is provided.
The available information covers the sleeve model, brand, series, category, dimensions, and net weight. The product data identifies a gold-colored value, but it does not provide additional material-grade, certification, stock, or performance details.
Review the listed bore diameter, outside diameter, widths, installation distance, radius, and nominal thickness against the intended shaft and sealing arrangement. If compatibility information is needed, it should be confirmed against documentation outside the supplied data.