| 摘要 |
The bearing unit (10) has an outer race (20) made of metal sheet and forming internally two outer raceways (22, 23). The outer race (20) further forms two tubular side portions (24, 25) with cylindrical outer surfaces (24a, 25a) and a central portion (26) near the raceways (22, 23). The central portion (26) has an outer surface (27) radially recessed with respect to the side outer cylindrical surfaces (24a, 25a). |
