55 × 90 × 18 mm. Single-row deep-groove ball bearing with contact seals on both sides. Verify suitability by the complete designation and application. 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 a groove for a retaining ring on the outer ring. Verify suitability by the complete designation and application. Bore diameter d = 55 mm, outside diameter D = 90 mm, width B = 18 mm. Inner diameter d = 55 mm, outer diameter D = 90 mm, width B = 18 mm.
55 × 90 × 18 mm. Single-row deep-groove ball bearing with rubber seals on both sides designation 2RS. 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 sheet-metal shields on both sides designation 2Z. Bore diameter d = 55 mm, outside diameter D = 90 mm, width B = 18 mm.