55 × 90 × 18 mm. Single-row deep-groove ball bearing with increased radial clearance designation C3. Bore diameter d = 55 mm, outside diameter D = 90 mm, width B = 18 mm.
55 × 90 × 18 mm. Single-row deep-groove ball bearing with metal shields on both sides and increased radial clearance C3. Bore diameter d = 55 mm, outside diameter D = 90 mm, width B = 18 mm.