We are a professional sales of original NSK bearing can offer customers all kinds of technical services . NSK 1200 dimensions are inner diameter 10mm, outer diameter and thickness 9 mm . If you want to learn  latest information ,please contact salesmen.

Product technical reference coefficient of original 1200  Self-aligning Ball Bearing  is shown as follow:

Inner diameter : 10 mm

Outer diameter : 30 mm

Thickness : 9 mm