Overview Reviews Product Description Product Videos Custom Field Inner diameter [d] 17 mm Outer diameter [D] 40 mm Inner ring width [B] 12 mm Bore type Cylindrical Product Reviews Write a Review Write a Review × NEU Ball bearing 1203 [NEU] Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *